Table of Contents

 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 10-Q
 
(Mark One)
xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31,June 30, 2018
or
¨TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                     to                     
Commission File Number: 001-16391
Axon Enterprise, Inc.
(Exact name of registrant as specified in its charter)
Delaware 86-0741227
(State or other jurisdiction of
incorporation or organization)
 
(I.R.S. Employer
Identification No.)
  
17800 North 85th Street
Scottsdale, Arizona
 85255
(Address of principal executive offices) (Zip Code)
(480) 991-0797
(Registrant’s telephone number, including area code)
Not Applicable
(Former name, former address and former fiscal year, if changed since last report)
 
Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ý    No  ¨
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ý    No  ¨
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer ýAccelerated filer ¨
    
Non-accelerated filer 
¨ (Do not check if a smaller reporting company)
Smaller reporting company ¨
      
   Emerging growth company ¨
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨ 
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  ý
The number of shares of the registrant’s common stock outstanding as of April 30,July 31, 2018 was 53,322,608.58,319,695.
 

AXON ENTERPRISE, INC.
INDEX TO QUARTERLY REPORT ON FORM 10-Q
FOR THE QUARTERLY PERIOD ENDED MARCH 31,JUNE 30, 2018
 
   Page
 
 
  
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 


PART I - FINANCIAL INFORMATION
Item 1. Financial Statements
AXON ENTERPRISE, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(in thousands, except share data)
March 31, 2018 December 31, 2017June 30, 2018 December 31, 2017
(Unaudited)  (Unaudited)  
ASSETS      
Current assets:      
Cash and cash equivalents$92,330
 $75,105
$307,507
 $75,105
Short-term investments4,475
 6,862
4,124
 6,862
Accounts and notes receivable, net of allowance of $880 and $754 as of March 31, 2018 and December 31, 2017, respectively87,849
 56,064
Accounts and notes receivable, net of allowance of $1,327 and $754 as of June 30, 2018 and December 31, 2017, respectively94,296
 56,064
Contract assets, net9,278
 
10,468
 
Inventory43,104
 45,465
43,967
 45,465
Prepaid expenses and other current assets21,934
 21,696
26,604
 21,696
Total current assets258,970
 205,192
486,966
 205,192
Property and equipment, net of accumulated depreciation of $37,518 and $36,477 as of March 31, 2018 and December 31, 2017, respectively31,175
 31,172
Property and equipment, net of accumulated depreciation of $37,142 and $36,477 as of June 30, 2018 and December 31, 2017, respectively34,503
 31,172
Deferred income tax assets, net14,200
 15,755
15,813
 15,755
Intangible assets, net17,496
 18,823
20,442
 18,823
Goodwill14,947
 14,927
24,684
 14,927
Long-term notes receivable, net of current portion34,624
 36,877
37,158
 36,877
Other assets21,573
 15,366
22,831
 15,366
Total assets$392,985
 $338,112
$642,397
 $338,112
LIABILITIES AND STOCKHOLDERS’ EQUITY      
Current liabilities:      
Accounts payable$11,692
 $8,592
$9,213
 $8,592
Accrued liabilities34,869
 23,502
29,995
 23,502
Current portion of deferred revenue76,141
 70,401
76,583
 70,401
Customer deposits3,155
 3,673
2,970
 3,673
Current portion of business acquisition contingent consideration2,505
 1,693
1,946
 1,693
Other current liabilities348
 89
191
 89
Total current liabilities128,710
 107,950
120,898
 107,950
Deferred revenue, net of current portion58,003
 54,881
61,456
 54,881
Liability for unrecognized tax benefits1,810
 1,706
1,918
 1,706
Long-term deferred compensation3,998
 3,859
3,560
 3,859
Business acquisition contingent consideration, net of current portion201
 1,048
203
 1,048
Other long-term liabilities934
 1,224
5,520
 1,224
Total liabilities193,656
 170,668
193,555
 170,668
Commitments and contingencies (Note 11)
 

 
Stockholders’ equity:      
Preferred stock, $0.00001 par value; 25,000,000 shares authorized; no shares issued and outstanding as of March 31, 2018 and December 31, 2017
 
Common stock, $0.00001 par value; 200,000,000 shares authorized; 53,307,083 and 52,969,869 shares issued and outstanding as of March 31, 2018 and December 31, 2017, respectively1
 1
Preferred stock, $0.00001 par value; 25,000,000 shares authorized; no shares issued and outstanding as of June 30, 2018 and December 31, 2017
 
Common stock, $0.00001 par value; 200,000,000 shares authorized; 58,289,613 and 52,969,869 shares issued and outstanding as of June 30, 2018 and December 31, 2017, respectively1
 1
Additional paid-in capital202,344
 201,672
442,717
 201,672
Treasury stock at cost, 20,220,227 shares as of March 31, 2018 and December 31, 2017(155,947) (155,947)
Treasury stock at cost, 20,220,227 shares as of June 30, 2018 and December 31, 2017(155,947) (155,947)
Retained earnings155,105
 123,185
163,590
 123,185
Accumulated other comprehensive loss(2,174) (1,467)(1,519) (1,467)
Total stockholders’ equity199,329
 167,444
448,842
 167,444
Total liabilities and stockholders’ equity$392,985
 $338,112
$642,397
 $338,112
The accompanying notes are an integral part of these condensed consolidated financial statements.

AXON ENTERPRISE, INC.
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
AND COMPREHENSIVE INCOME
(in thousands, except per share data)
 
Three Months Ended March 31,Three Months Ended June 30, Six Months Ended June 30,
2018 20172018 2017 2018 2017
Net sales from products$80,974
 $67,491
$76,721
 $66,875
 $157,695
 $134,366
Net sales from services20,241
 11,751
22,505
 12,768
 42,746
 24,519
Net sales101,215
 79,242
99,226
 79,643
 200,441
 158,885
Cost of product sales32,434
 27,072
31,087
 30,172
 63,521
 57,244
Cost of service sales4,320
 3,500
4,996
 3,834
 9,316
 7,334
Cost of sales36,754
 30,572
36,083
 34,006
 72,837
 64,578
Gross margin64,461
 48,670
63,143
 45,637
 127,604
 94,307
Operating expenses:          
Sales, general and administrative35,759
 30,857
39,343
 31,824
 75,102
 62,681
Research and development15,119
 12,463
18,501
 12,989
 33,620
 25,452
Total operating expenses50,878
 43,320
57,844
 44,813
 108,722
 88,133
Income from operations13,583
 5,350
5,299
 824
 18,882
 6,174
Interest and other income, net1,263
 206
Interest and other income (expense), net(295) 1,684
 968
 1,890
Income before provision for income taxes14,846
 5,556
5,004
 2,508
 19,850
 8,064
Provision for income taxes1,920
 976
Provision for (benefit from) income taxes(3,481) 232
 (1,561) 1,208
Net income$12,926
 $4,580
$8,485
 $2,276
 $21,411
 $6,856
Net income per common and common equivalent shares:          
Basic$0.24
 $0.09
$0.15
 $0.04
 $0.39
 $0.13
Diluted$0.24
 $0.09
$0.15
 $0.04
 $0.38
 $0.13
Weighted average number of common and common equivalent shares outstanding:          
Basic53,119
 52,418
55,527
 52,736
 54,330
 52,578
Diluted54,532
 53,677
57,054
 53,770
 55,892
 53,723
          
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income$12,926
 $4,580
$8,485
 $2,276
 $21,411
 $6,856
Foreign currency translation adjustments(707) 165
655
 (716) (52) (551)
Comprehensive income$12,219
 $4,745
$9,140
 $1,560
 $21,359
 $6,305

The accompanying notes are an integral part of these condensed consolidated financial statements.


AXON ENTERPRISE, INC.
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
Three Months Ended March 31,Six Months Ended June 30,
2018 20172018 2017
Cash flows from operating activities:      
Net income$12,926
 $4,580
$21,411
 $6,856
Adjustments to reconcile net income to net cash provided by (used in) operating activities:      
Depreciation and amortization2,411
 1,604
5,161
 3,400
Loss on disposal of property and equipment34
 
Loss on disposal and impairment of property and equipment, net153
 
Loss on disposal and abandonment of intangible assets54
 
Bond premium amortization22
 218
30
 427
Stock-based compensation4,093
 3,447
9,047
 7,423
Deferred income taxes1,514
 (1,216)(58) (1,458)
Unrecognized tax benefits104
 134
212
 282
Change in assets and liabilities:      
Accounts and notes receivable and contract assets(17,060) (11,858)(24,791) (15,925)
Inventory2,408
 (13,686)4,508
 (25,768)
Prepaid expenses and other assets(1,702) (2,707)(7,429) (10,055)
Accounts payable, accrued and other liabilities6,749
 6,562
(2,688) 7,531
Deferred revenue6,554
 6,313
10,496
 14,829
Net cash provided by (used in) operating activities18,053
 (6,609)16,106
 (12,458)
Cash flows from investing activities:      
Purchases of investments(802) 
(4,331) (19,950)
Proceeds from maturity of investments3,167
 18,801
7,038
 34,377
Purchases of property and equipment(1,063) (2,343)(4,665) (5,741)
Purchases of intangible assets(34) (95)(254) (170)
Business acquisitions
 (6,479)(5,014) (6,479)
Net cash provided by investing activities1,268
 9,884
Net cash provided (used in) by investing activities(7,226) 2,037
Cash flows from financing activities:      
Net proceeds from equity offering233,993
 
Proceeds from options exercised356
 296
586
 1,241
Payroll tax payments for net-settled stock awards(3,777) (2,165)(10,807) (2,572)
Payments on capital lease obligation(9) (8)
Net cash used in financing activities(3,430) (1,877)
Payment of contingent consideration for a business acquisition(575) 
Net cash provided by (used in) financing activities223,197
 (1,331)
Effect of exchange rate changes on cash, cash equivalents and restricted cash469
 (76)(538) (857)
Net increase in cash, cash equivalents and restricted cash16,360
 1,322
Net increase (decrease) in cash, cash equivalents and restricted cash231,539
 (12,609)
Cash, cash equivalents and restricted cash, beginning of period78,438
 43,969
78,438
 43,969
Cash, cash equivalents and restricted cash, end of period$94,798
 $45,291
$309,977
 $31,360
      
Supplemental disclosures:      
Cash and cash equivalents$92,330
 $41,974
$307,507
 $28,038
Restricted cash (Note 6)2,468
 3,317
2,470
 3,322
Total cash, cash equivalents and restricted cash shown in the statements of cash flows$94,798
 $45,291
$309,977
 $31,360
      
Cash paid for income taxes, net of refunds$63
 $145
$7,758
 $9,934
      
Non-cash transactions      
Property and equipment purchases in accounts payable and accrued liabilities$136
 $794
$665
 $1,351
Contingent consideration related to business combinations$
 $1,007
Non-cash purchase consideration related to business combinations$12,288
 $1,026
The accompanying notes are an integral part of these condensed consolidated financial statements.

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS


1. Organization and Summary of Significant Accounting Policies
Axon Enterprise, Inc. (“Axon” or the “Company”) is a developer and manufacturer of advanced conducted electrical weapons (“CEWs”) designed for use by law enforcement, military, corrections, private security personnel, and by private individuals for personal defense. In addition, the Company has developed full technology solutions for the capture, secure storage and management of video/audio evidence as well as other tactical capabilities for use in law enforcement. The Company sells its products worldwide through its direct sales force, distribution partners, online store and third-party resellers. The Company was incorporated in Arizona in September 1993, and reincorporated in Delaware in January 2001. The Company’s corporate headquarters and manufacturing facilities are located in Scottsdale, Arizona. The Company’s main software development division is located in Seattle, Washington, and it develops artificial intelligence technologies through its wholly-owned subsidiary in Vietnam, Axon Public Safety Southeast Asia LLC. During 2018, the Company established Axon Public Safety Finland OY in Tampere, Finland that operates a connected hardware team focused on the development of the Company's hardware products. Axon Public Safety BV, a wholly owned subsidiary of the Company, supports the Company's international sales and marketing efforts, and is located in Amsterdam, Netherlands. Axon Public Safety BV wholly owns two subsidiaries, Axon Public Safety U.K. LTD and Axon Public Safety AU, that serve as direct sales operations in the United Kingdom ("U.K.") and Australia, respectively. The Company also sells to certain international markets through a wholly-owned subsidiary, Axon Public Safety Germany SE, and sells into the Canadian market through its wholly-owned subsidiary, Axon Public Safety Canada, Inc.
The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its subsidiaries. All material intercompany accounts, transactions, and profits have been eliminated.
Basis of Presentation and Use of Estimates
These unaudited condensed consolidated financial statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission. Certain information related to the Company’s organization, significant accounting policies and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”) has been condensed or omitted. The accounting policies followed in the preparation of these unaudited condensed consolidated financial statements are consistent with those followed in the Company’s annual consolidated financial statements for the year ended December 31, 2017, as filed on Form 10-K, with the exception of the Company's adoption of Topic 606. In the opinion of management, these unaudited condensed consolidated financial statements contain all material adjustments, consisting only of normal recurring adjustments, necessary to fairly state the Company’s financial position, results of operations and cash flows for the periods presented and the presentations and disclosures herein are adequate when read in conjunction with the Company’s Form 10-K for the year ended December 31, 2017. The results of operations for the threesix months ended March 31,June 30, 2018 and 2017 are not necessarily indicative of the results to be expected for the full year (or any other period). Significant estimates and assumptions in these unaudited condensed consolidated financial statements include:
 
product warranty reserves,
inventory valuation,
revenue recognition,
valuation of goodwill, intangible and long-lived assets,
recognition, measurement and valuation of current and deferred income taxes,
fair value of stock awards issued and the estimated vesting periodperiods for performance-based stock awards, and
recognition and measurement of contingencies and accrued litigation expense.expense, and
fair values of identified tangible and intangible assets acquired and liabilities assumed in business combinations.
Actual results could differ materially from those estimates.
Segment Information
The Company is comprised of two reportable segments: the manufacture and sale of CEWs, batteries, accessories, extended warranties and other products and services (the “TASER Weapons” segment); and the software and sensors business, which includes the sale of devices, wearables, applications, cloud and mobile products (collectively, the “Software and Sensors” segment). Within the Software and Sensors segment, the Company specifies sales of products and services. Revenue from the Company's “products” in the Software and Sensors segment are generally sales of sensors, including on-officer body cameras, Axon Fleet cameras, other hardware sensors, warranties on sensors,and other products, and is sometimes referred to as Sensors and Other revenue. Revenue from the Company's “services” in the Software and Sensors segment comprise sales related to the Axon Cloud, which includes Evidence.com, cloud-based evidence management software revenue, other recurring cloud-hosted software revenue and related professional services, and is sometimes referred to as Axon Cloud revenue. Within the Software and Sensors segment, the Company

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


professional services, and is sometimes referred to as Axon Cloud revenue. Within the Software and Sensors segment, the Company includes only revenues and costs attributable to that segment which include: costs of sales for both products and services, direct labor, selling expenses for the sales team, product management and research and development ("R&D") for products included, or to be included, within the Software and Sensors segment. All other costs are included in the TASER Weapons segment.
The Company’s Chief Executive Officer, who is the Chief Operating Decision Maker (the “CODM”), is not provided asset information by segment. Reportable segments are determined based on discrete financial information reviewed by the CODM for the Company. The Company organizes and reviews operations based on products and services. The Company performs an annual analysis of its reportable segments. Additional information related to the Company’s business segments is summarized in Note 14.
Geographic Information and Major Customers
For the three and six months ended March 31,June 30, 2018 and 2017, no individual country outside the U.S. represented more than 10% of total net sales. Individual sales transactions in the international market are generally larger and occur more intermittently than in the domestic market due to the profile of the Company's customers.
For the three and six months ended March 31,June 30, 2018 and 2017, no customer represented more than 10% of total net sales. At March 31,June 30, 2018 and December 31, 2017, no customer represented more than 10% of the aggregate accounts and notes receivable balance and contract assets.
Income per Common Share
Basic income per common share is computed by dividing net income by the weighted average number of common shares outstanding during the periods presented. Potentially dilutive securities include outstanding stock options and unvested restricted stock units ("RSUs"). The dilutive effect of potentially dilutive securities is reflected in diluted earnings per share by application of the treasury stock method. Under the treasury stock method, an increase in the fair market value of the Company’s common stock can result in a greater dilutive effect from potentially dilutive securities.
The calculation of the weighted average number of shares outstanding and earnings per share are as follows (in thousands except per share data):
Three Months Ended March 31,Three Months Ended June 30, Six Months Ended June 30,
2018 20172018 2017 2018 2017
Numerator for basic and diluted earnings per share:          
Net income$12,926
 $4,580
$8,485
 $2,276
 $21,411
 $6,856
Denominator:          
Weighted average shares outstanding53,119
 52,418
55,527
 52,736
 54,330
 52,578
Dilutive effect of stock-based awards1,413
 1,259
1,527
 1,034
 1,562
 1,145
Diluted weighted average shares outstanding54,532
 53,677
57,054
 53,770
 55,892
 53,723
Anti-dilutive stock-based awards excluded404
 676
3,023
 544
 1,533
 690
Net income per common share:          
Basic$0.24
 $0.09
$0.15
 $0.04
 $0.39
 $0.13
Diluted$0.24
 $0.09
$0.15
 $0.04
 $0.38
 $0.13

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


Standard Warranties
The Company warranties its CEWs, Axon cameras and certain related accessories from manufacturing defects on a limited basis for a period of one year after purchase and, thereafter, will replace any defective unit for a fee. Estimated costs for the standard warranty are charged to cost of products sold when revenue is recorded for the related product. Future warranty costs are estimated based on historical data related to warranty claims on a quarterly basis and this rate is applied to current product sales. Historically, reserve amounts have been increased if management becomes aware of a component failure or other issue that could result in larger than anticipated warranty claims from customers. The warranty reserve is reviewed quarterly to verify that it sufficiently reflects the remaining warranty obligations based on the anticipated expenditures over the balance of the warranty obligation period, and adjustments are made when actual warranty claim experience differs from estimates. The warranty reserve is included in accrued liabilities on the accompanying consolidated balance sheets. 
Changes in the Company’s estimated product warranty liabilities were as follows (in thousands):
Three Months Ended March 31,Six Months Ended June 30,
2018 20172018 2017
Balance, beginning of period$644
 $780
$644
 $780
Utilization of accrual(93) (66)(149) (120)
Warranty expense (recovery)8
 (367)10
 (96)
Balance, end of period$559
 $347
$505
 $564
Fair Value Measurements and Financial Instruments
The Company uses the fair value framework that prioritizes the inputs to valuation techniques for measuring financial assets and liabilities measured on a recurring basis and for non-financial assets and liabilities when these items are re-measured. Fair value is considered to be the exchange price in an orderly transaction between market participants to sell an asset or transfer a liability at the measurement date. The hierarchy below lists three levels of fair value based on the extent to which inputs used in measuring fair value are observable in the market. The Company categorizes each of its fair value measurements in one of these three levels based on the lowest level input that is significant to the fair value measurement in its entirety. These levels are:
 
Level 1 – Valuation techniques in which all significant inputs are unadjusted quoted prices from active markets for assets or liabilities that are identical to the assets or liabilities being measured.
Level 2 – Valuation techniques in which significant inputs include quoted prices from active markets for assets or liabilities that are similar to the assets or liabilities being measured and/or quoted prices for assets or liabilities that are identical or similar to the assets or liabilities being measured from markets that are not active. Also, model-derived valuations in which all significant inputs and significant value drivers are observable in active markets are Level 2 valuation techniques.
Level 3 – Valuation techniques in which one or more significant inputs or significant value drivers are unobservable. Unobservable inputs are valuation technique inputs that reflect the Company's own assumptions about inputs that market participants would use in pricing an asset or liability.
The Company has cash equivalents and investments, which at March 31,June 30, 2018 and December 31, 2017 were comprised of money market funds, state and municipal obligations, corporate bonds, and certificates of deposits. See additional disclosure regarding the fair value of the Company’s cash equivalents and investments in Note 3. Included in the balance of Other assets as of March 31,June 30, 2018 and December 31, 2017 was $3.8 million related to corporate-owned life insurance policies which are used to fund the Company’s deferred compensation plan. The Company determines the fair value of its insurance contracts by obtaining the cash surrender value of the contracts from the issuer, a Level 2 valuation technique.
The Company’s financial instruments also include accounts and notes receivable, accounts payable, notes payable and accrued liabilities. Due to the short-term nature of these instruments, their fair values approximate their carrying values on the accompanying condensed consolidated balance sheets.
Valuation of Goodwill, Intangibles and Long-lived Assets
Management evaluates whether events and circumstances have occurred that indicate the remaining estimated useful life of long-lived assets and identifiable intangible assets, excluding goodwill and intangible assets with indefinite useful lives, may

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


warrant revision or that the remaining balance of these assets may not be recoverable. Such circumstances could include, but are not limited to, a change in the product mix, a change in the way products are created, produced or delivered, or a significant change in the way products are branded and marketed. In performing the review for recoverability, management estimates the future undiscounted cash flows expected to result from the use of the assets and their eventual disposition. The amount of the impairment loss, if impairment exists, is calculated based on the excess of the carrying amounts of the assets over their estimated fair value computed using discounted cash flows.
The Company does not amortize goodwill and intangible assets with indefinite useful lives,lives; rather such assets are required to be tested for impairment at least annually or sooner whenever events or changes in circumstances indicate that the assets may be impaired. The Company performs its goodwill and intangible asset impairment tests in the fourth quarter of each year.
Recently Issued Accounting Guidance
In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”) and Accounting Standards Codification ("ASC") Subtopic 340-40, Other Assets and Deferred Costs - Contracts with Customers ("ASC 340-40"), (collectively, “Topic 606”). On January 1, 2018, the Company adopted Topic 606 by applying the modified retrospective method of adoption for all contracts that were not substantially completed as of the adoption date. ASU 2014-09 requires entities to recognize revenue through the application of a five-step model, which includes identification of the contract, identification of the performance obligations, determination of the transaction price, allocation of the transaction price to the performance obligations and recognition of revenue as the entity satisfies the performance obligations. Refer to Note 2 for further discussion.
In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842) in order to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous GAAP.existing GAAP guidance. ASU 2016-02 requires a lessee to recognize a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term on the balance sheet. ASU 2016-02 is effective for the fiscal year beginning after December 15, 2018 (including interim periods within that year) using a modified retrospective approach and early adoption is permitted. The Company is currently in the process of evaluating the impact of adoption of this ASU on its consolidated financial statements.statements, but expects that the adoption of ASU 2016-02 will have a material impact on the Company's consolidated balance sheet.
 
In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses, which amends ASC 326. The new guidance differs from existing GAAP guidance wherein previous standards generally delayed recognition of credit losses until the loss was probable. ASU 2016-13 eliminates the probable initial recognition threshold and, instead, reflects an entity’s current estimate of all expected credit losses. The use of forecasted information is intended to incorporate more timely information in the estimate of expected credit loss. ASU 2016-13 is effective for the fiscal year beginning after December 15, 2019, and interim periods within that fiscal year, and early adoption is permitted. The Company is currently in the process of evaluating the impact of adoption of ASU 2016-13 on its consolidated financial statements.
In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments. ASU 2016-15 eliminates the diversity in practice related to the classification of certain cash receipts and payments. ASU 2016-15 designates the appropriate cash flow classification, including requirements to allocate certain components of these cash receipts and payments among operating, investing and financing activities. The Company adopted ASU 2016-15 effective January 1, 2018, and the adoption of this ASU did not have a material impact on its consolidated financial statements.
In October 2016, the FASB issued ASU 2016-16, Income Taxes (Topic 740) - Intra-Entity Transfers of Assets Other Than Inventory. ASU 2016-16 requires an entity to recognize income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. This removes the exception to postpone recognition until the asset has been sold to an outside party. The Company adopted ASU 2016-16 effective January 1, 2018, and the adoption of this ASU did not have a material impact on its consolidated financial statements.
In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows - Restricted Cash (Topic 230), which amends the existing guidance relating to the treatment of restricted cash and restricted cash equivalents on the statement of cash flows.  The Company adopted ASU 2016-18 effective January 1, 2018, and retrospectively updated the presentation of its unaudited consolidated statements of cash flows to include amounts of restricted cash with cash and cash equivalents when reconciling the beginning-of-period and end-of-period amounts. The adoption of ASU 2016-18 did not have a material impact on the Company's consolidated financial statements.

9

Table of Contents
AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


In January 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805) to provide a more robust framework to use in determining when a set of acquired assets and activities is a business. The Company adopted ASU 2017-01 effective January 1, 2018. The amendments in ASU 2017-01 provide a screen to determine when a set of acquired integrated assets and activities is not a business, and if the screen is not met it may result in fewer transactions that qualify as a business combination under ASC Topic 805. For the three months ended March 31,The Company adopted ASU 2017-01 January 1, 2018, and the adoption of this ASU 2017-01 did not have a material impact on the Company's consolidated financial statements.
In May 2017, the FASB issued ASU 2017-09, Compensation - Stock Compensation (Topic 718), which provides guidance on determining which changes to the terms and conditions of share-based payment awards require an entity to apply modification accounting under Topic 708.718. The Company adopted ASU2017-09ASU 2017-09 effective January 1, 2018, and the adoption of this ASU did not have a material impact on its consolidated financial statements.
In June 2018, the FASB issued ASU 2018-07, Compensation - Stock Compensation (Topic 718), expanding the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. ASU 2018-07 is effective for the fiscal year beginning after December 15, 2018, and interim periods within that fiscal year, and the adoption of this ASU is not expected to have a material impact on the Company's consolidated financial statements.
Reclassification of Prior Year Presentation
Certain prior year amounts have been reclassified for consistency with the current year presentation. These reclassifications had no effect on the reported results of operations.

2. Revenues
Adoption of ASC Topic 606, "Revenue from Contracts with Customers"
On January 1, 2018, the Company adopted Topic 606 using the modified retrospective method applied to those contracts which were not completed as of January 1, 2018. Results for reporting periods beginning after January 1, 2018 are presented under Topic 606, while prior period amounts are not adjusted, and continue to be reported in accordance with our historic accounting under ASC 605. The Company recorded a net increase in stockholders’ equity (retained earnings) of $19.0 million as of January 1, 2018 due to the cumulative impact of adopting Topic 606 on contracts that were not complete as of that date. The areas most significantly impacted were contracts with contingent hardware revenue and the treatment of incremental costs of obtaining contracts with customers. The impacts as a result of applying Topic 606 waswere a net increase to revenue of $1.7$0.6 million and $2.3 million, respectively, for the three and six months ended June 30, 2018, and a net decrease to selling, general and administrative expenses of approximately $0.5$0.9 million and $1.6 million, respectively, related to the costs of obtaining contracts for the three months ended March 31, 2018same periods, as compared to what would have been recognized under ASC 605. See theThe impacts to reported results below for the impactDecember 31, 2017 balance sheet of adoption of theadopting Topic 606 on our consolidated financial statementsare presented below (in thousands):
 
December 31, 2017
(As reported)
 
Impact of Adoption
of Topic 606 on
Opening Balance Sheet
 
January 1, 2018
(As adjusted)
Accounts and notes receivable, net$56,064
 $28,915
 $84,979
Contract assets, net
 5,512
 5,512
Prepaid expense and other current assets21,696
 2,003
 23,699
Total impacted current assets77,760
 36,430
 114,190
Deferred income tax assets, net15,755
 (5,158) 10,597
Long-term notes receivable, net of current portion36,877
 (12,977) 23,900
Other assets15,366
 5,323
 20,689
Total impacted assets145,758
 23,618
 169,376
      
Accrued liabilities23,502
 2,512
 26,014
Current portion of deferred revenue70,401
 863
 71,264
Total impacted current liabilities93,903
 3,375
 97,278
Deferred revenue, net of current portion54,881
 1,249
 56,130
Total impacted liabilities148,784
 4,624
 153,408
Retained earnings123,185
 18,994
 142,179
Total impacted stockholders' equity123,185
 18,994
 142,179
Total impacted liabilities and stockholders' equity271,969
 23,618
 295,587

Revenue Recognition
Revenues are recognized upon transfer of control of promised products or services to customers in an amount that reflects the consideration the Company expects to receive in exchange for those products or services. The Company enters into contracts that can include various combinations of products and services, each of which are generally distinct and accounted for as separate performance obligations. Revenue is recognized net of allowances for returns and any taxes collected from customers, which are subsequently remitted to governmental taxing authorities.
A performance obligation is a promise in a contract to transfer a distinct good or service to the customer, and is the unit of account in Topic 606. For contracts with multiple performance obligations, the Company allocates the contract transaction price to each performance obligation using the Company's estimate of the standalone selling price ("SSP") of each distinct good or service in the contract.
Performance obligations to deliver products, including CEWs, Axon cameras and related accessories such as cartridges, batteries and docks, are generally satisfied at the point in time the Company ships the product, as this is when the customer obtains control of the asset under our standard terms and conditions. In certain contracts with non-standard terms and conditions, these performance obligations may not be satisfied until formal customer acceptance occurs. Performance obligations to fulfill service-type extended warranties and provide our Software-as-a-Service (“SaaS”) offerings, including Evidence.com and other cloud

services, are generally satisfied over time as the customer receives and consumes the benefits of these services over the stated service period.
The Company has elected to recognize shipping costs as an expense in Cost of product sales when the control of hardware products or accessories have transferred to the customer as an expense in Cost of product sales.customer.
Nature of Products and Services
The following table presents the Company's revenues by primary product and service offering (in thousands):
Three Months Ended March 31, 2018 
Three Months Ended March 31, 2017 (1)
Three Months Ended June 30, 2018 
Three Months Ended June 30, 2017 (1)
TASER Weapons Software and Sensors Total TASER Weapons Software and Sensors TotalTASER Weapons Software and Sensors Total TASER Weapons Software and Sensors Total
TASER X26P$16,474
 $
 $16,474
 $15,668
 $
 $15,668
$18,146
 $
 $18,146
 $16,235
 $
 $16,235
TASER X223,932
 
 23,932
 18,986
 
 18,986
18,362
 
 18,362
 16,052
 
 16,052
TASER Pulse and Bolt1,346
 
 1,346
 1,022
 
 1,022
1,101
 
 1,101
 801
 
 801
Single cartridges16,114
 
 16,114
 16,664
 
 16,664
17,243
 
 17,243
 14,867
 
 14,867
Axon Body
 5,558
 5,558
 
 3,446
 3,446

 4,780
 4,780
 
 3,752
 3,752
Axon Flex
 1,669
 1,669
 
 1,475
 1,475

 1,535
 1,535
 
 3,851
 3,851
Axon Dock
 3,035
 3,035
 
 1,987
 1,987

 2,119
 2,119
 
 2,783
 2,783
Axon Fleet
 2,116
 2,116
 
 
 

 2,715
 2,715
 
 
 
Evidence.com
 20,241
 20,241
 
 11,742
 11,742
Evidence.com and cloud services
 20,357
 20,357
 
 12,756
 12,756
TASER Cam
 1,360
 1,360
 
 719
 719

 762
 762
 
 766
 766
Extended warranties3,706
 2,490
 6,196
 2,843
 1,418
 4,261
3,738
 2,870
 6,608
 2,991
 1,619
 4,610
Other1,952
 1,222
 3,174
 2,488
 784
 3,272
2,034
 3,464
 5,498
 2,070
 1,100
 3,170
Total$63,524
 $37,691
 $101,215
 $57,671
 $21,571
 $79,242
$60,624
 $38,602
 $99,226
 $53,016
 $26,627
 $79,643

 Six Months Ended June 30, 2018 
Six Months Ended June 30, 2017 (1)
 TASER Weapons Software and Sensors Total TASER Weapons Software and Sensors Total
TASER X26P$34,620
 $
 $34,620
 $31,903
 $
 $31,903
TASER X242,294
 
 42,294
 35,038
 
 35,038
TASER Pulse and Bolt2,447
 
 2,447
 1,823
 
 1,823
Single cartridges33,357
 
 33,357
 31,531
 
 31,531
Axon Body
 10,338
 10,338
 
 7,198
 7,198
Axon Flex
 3,204
 3,204
 
 5,326
 5,326
Axon Dock
 5,154
 5,154
 
 4,770
 4,770
Axon Fleet
 4,831
 4,831
 
 
 
Evidence.com and cloud services
 40,598
 40,598
 
 24,498
 24,498
TASER Cam
 2,122
 2,122
 
 1,485
 1,485
Extended warranties7,444
 5,360
 12,804
 5,834
 3,037
 8,871
Other3,986
 4,686
 8,672
 4,558
 1,884
 6,442
Total$124,148
 $76,293
 $200,441
 $110,687
 $48,198
 $158,885
(1) Amounts for the three and six months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.

The Company derives revenue from two primary sources: (1) the sale of physical products, including CEWs, Axon cameras, Axon Signal enabled devices, corresponding hardware extended warranties, and related accessories such as Axon docks, cartridges and batteries, among others, and (2) subscription to the Company's Evidence.com digital evidence management SaaS (including secure cloud-based storage fees and other ancillary services), which includes varying levels of support. To a lesser extent, the Company also recognizes revenue from training, professional services and revenue related to other software and SaaScloud services.

Many of the Company's products and services are sold on a standalone basis. The Company also bundles its hardware products and services together and sells them to its customers in single transactions, where the customer can make payments over a multi-year period. These sales may include payments for upfront hardware and services, as well as payments for hardware and services to be provided by the Company at a future date. Additionally, the Company offers customers the ability to purchase CEW cartridges

and certain services on an unlimited basis over the contractual term. Due to the unlimited nature of the arrangementthese arrangements whereby the Company is obligated to deliver unlimited products at the customer’s request, the Company accounts for these arrangements as stand-ready obligations, and recognizes revenue ratably over the contract period. Cost of product sales iswill be recognized as the products are deliveredshipped to the customer.
The following table presents the Company's revenues disaggregated by geography (in thousands):
Three Months Ended March 31,Three Months Ended June 30, Six Months Ended June 30,
2018 
2017 (1)
2018 
2017 (1)
 2018 
2017 (1)
United States$77,950
 77% $64,752
 82%$78,731
 79% $66,200
 83% $156,681
 78% $130,952
 82%
Other countries23,265
 23
 14,490
 18
20,495
 21
 13,443
 17
 43,760
 22
 27,933
 18
Total$101,215
 100% $79,242
 100%$99,226
 100% $79,643
 100% $200,441
 100% $158,885
 100%
(1) Amounts for the three and six months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Contract Balances
The timing of revenue recognition may differ from the timing of invoicing to customers. The Company generally has an unconditional right to consideration when it invoices its customers and records a receivable. The Company records a contract asset when revenue is recognized prior to invoicing, or a contract liability (deferred revenue) when revenue iswill be recognized subsequent to invoicing.
Contract assets generally result from the Company's subscription programs where the Company satisfies a hardware performance obligation upon shipment to the customer and the right to the portion of the transaction price allocated to that hardware performance obligation is conditional on the Company’s future performance of a SaaS service obligation under the contract. The Company recognizes a portion the amount allocated to hardware products shipped to the customer as accounts receivable when invoiced to the customer, and records the remaining allocated value as a contract asset as the Company has generally fulfilled its hardware performance obligation upon shipment.
Contract liabilities generally consist of deferred revenue on the Company’s subscription programs where the Company generally invoices customers at the beginning of each annual period and records a receivable at the time of invoicing when there is an unconditional right to consideration.
Deferred revenue is comprised mainly of unearned revenue related to the Company's Evidence.com SaaS platform, secure cloud-based storage, service-type extended warranties, stand-ready obligations in our cartridge programs, and rights to future CEW, camera and related accessories hardware in our subscription programs. Revenue for Evidence.com and cloud-based storage, our service-type extended warranties and stand-ready cartridge programs is generally recognized on a straight-line basis over the subscription term. Revenue for the rights to future hardware is generally recognized at the point in time the hardware products are shipped to the customer.
Payment terms and conditions vary by contract type and geography, but our standard terms are that payments are due within 30 days from the date of invoice.
The following table presents the Company's contract assets, contract liabilities and certain information related to these balances as of and for the threesix months ended March 31,June 30, 2018 (in thousands):
March 31, 2018June 30, 2018
Contract assets(1)$9,278
$11,021
Contract liabilities (deferred revenue)134,144
138,039
Revenue recognized in the period from:  
Amounts included in contract liabilities at the beginning of the period24,269
43,282

(1) Of the $11.0 million balance of contract assets as of June 30, 2018, $0.6 million was classified as long-term and included within "Other assets" on the accompanying condensed consolidated balance sheet.

Contract liabilities (deferred revenue) consisted of the following (in thousands):
March 31, 2018 
December 31, 2017 (1)
June 30, 2018 
December 31, 2017 (1)
Current Long-Term Total Current Long-Term TotalCurrent Long-Term Total Current Long-Term Total
Warranty:                      
TASER Weapons$11,601
 $17,058
 $28,659
 $12,501
 $18,619
 $31,120
$11,593
 $16,508
 $28,101
 $12,501
 $18,619
 $31,120
Software and Sensors6,941
 5,660
 12,601
 6,293
 4,195
 10,488
7,001
 5,551
 12,552
 6,293
 4,195
 10,488
18,542
 22,718
 41,260
 18,794
 22,814
 41,608
18,594
 22,059
 40,653
 18,794
 22,814
 41,608
Hardware:                      
TASER Weapons4,283
 12,440
 16,723
 4,164
 11,401
 15,565
6,264
 14,787
 21,051
 4,164
 11,401
 15,565
Software and Sensors14,152
 15,197
 29,349
 16,956
 14,781
 31,737
15,931
 15,379
 31,310
 16,956
 14,781
 31,737
18,435
 27,637
 46,072
 21,120
 26,182
 47,302
22,195
 30,166
 52,361
 21,120
 26,182
 47,302
Software and Sensors Services39,164
 7,648
 46,812
 30,487
 5,885
 36,372
35,794
 9,231
 45,025
 30,487
 5,885
 36,372
Total$76,141
 $58,003
 $134,144
 $70,401
 $54,881
 $125,282
$76,583
 $61,456
 $138,039
 $70,401
 $54,881
 $125,282

March 31, 2018 
December 31, 2017 (1)
June 30, 2018 
December 31, 2017 (1)
Current Long-Term Total Current Long-Term TotalCurrent Long-Term Total Current Long-Term Total
TASER Weapons$15,884
 $29,498
 $45,382
 $16,665
 $30,020
 $46,685
$17,857
 $31,295
 $49,152
 $16,665
 $30,020
 $46,685
Software and Sensors60,257
 28,505
 88,762
 53,736
 24,861
 78,597
58,726
 30,161
 88,887
 53,736
 24,861
 78,597
Total$76,141
 $58,003
 $134,144
 $70,401
 $54,881
 $125,282
$76,583
 $61,456
 $138,039
 $70,401
 $54,881
 $125,282
(1) Amounts as of December 31, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Remaining Performance Obligations
As of March 31,June 30, 2018, the Company had approximately $650$750 million of remaining performance obligations, which included both recognized contract liabilities as well as amounts that will be invoiced and recognized in future periods. The remaining performance obligations are limited only to arrangements that meet the definition of a contract under Topic 606 as of March 31,June 30, 2018. The Company expects to recognize between 15% - 20% of this balance over the next twelve months and expects the remainder to be recognized over the following five to seven years, subject to risks related to delayed deployments, budget appropriation or other contract cancellation clauses.
Costs to Obtain a Contract
The Company recognizes an asset for the incremental costs of obtaining a contract with a customer, which consist primarily of sales commissions. These costs are ascribed to or allocated to the underlying performance obligations in the contract and amortized consistent with the recognition timing of the revenue for the underlying performance obligations.
For contract costs related to performance obligations with an amortization period of one year or less, the Company applies the practical expedient to expense these sales commissions when incurred. These costs are recorded as incurred within sales, general and administrative expenses on the accompanying condensed consolidated statement of operations and comprehensive income.
As of March 31,June 30, 2018, the Company's assets for costs to obtain contracts were as follows (in thousands):
March 31, 2018June 30, 2018
Current deferred commissions (1)
$5,526
$5,941
Deferred commissions, net of current portion (2)
12,881
13,766
$18,407
$19,707
(1) Current deferred commissions are included within "Prepaid expenses and other current assets" on the accompanying condensed consolidated balance sheet.
(2) Deferred commissions, net of current portion, are included in "Other assets" on the accompanying condensed consolidated balance sheet.

During the three and six months ended March 31,June 30, 2018, the Company recognized $1.1$1.2 million and $2.3 million, respectively, of amortization related to deferred commissions. These costs are recorded within sales, general and administrative expenses on the accompanying condensed consolidated statement of operations and comprehensive income.
Significant Judgments
The Company’s contracts with certain municipal government customers may be subject to budget appropriation, other contract cancellation clauses or future periods which are optional. In contracts where the customer’s performance is subject to budget appropriation clauses, we generally consider the likelihood of non-appropriation to be remote when determining the contract term and transaction price. Contracts with other cancellation provisions or optional periods may require judgment in determining the contract term, including the existence of material rights, transaction price and identifying the performance obligations.
At times, customers may request changes that either amend, replace or cancel existing contracts. Judgment is required to determine whether the specific facts and circumstances within the contracts require the changes to be accounted for as a separate contract or as a modification. Generally, contract modifications containing additional goods and services that are determined to be distinct and sold at their SSP are accounted for as a separate contract. ContractFor contract modifications where both criteria are not met, the original contract is updated and the required adjustments to revenue will be made accordingly.
The Company's contracts with customers often include promises to transfer multiple products and services to a customer. Determining whether products and services are considered distinct performance obligations that should be accounted for separately versusrather than together may require significant judgment. The Company considers CEW devices and related accessories as well as cameras and related accessories to be separately identifiable from each other as well as from extended warranties on these products and the SaaS subscriptions to Evidence.com.Evidence.com and other cloud services.
In contracts where there are timing differences between when the Company transfers a promised good or service to the customer and when the customer pays for that good or service, the Company has determined that, with the exception of its TASER 60 installment purchase arrangements, its contracts generally do not include a significant financing component. For the three and six months ended March 31,June 30, 2018, the Company recorded revenue of $14.0$10.2 million and $24.2 million, respectively, including $0.3 million and $0.6 million, respectively, of interest income, under the Company’s TASER 60 plan,plan. For the three and six months ended June 30, 2017, the Company recorded $8.1revenue of $5.3 million and $13.3 million, respectively, including $0.1$0.2 million and $0.3 million, respectively, of interest income, forunder the same period in 2017.Company’s TASER 60 plan. Amounts for the three and six months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606.
Judgment is required to determine the SSP for each distinct performance obligation. The Company analyzes separate sales of its products and services as a basis for estimating the SSP of its products and services and then uses that SSP as the basis for allocating the transaction price when its products and services are sold together in a contract with multiple performance obligations. In instances where the SSP is not directly observable, such as when the Company does not sell the product or service separately, it determines the SSP using information that may include market conditions, time value of money and other observable inputs. The Company typically has more than one SSP for individual products and services due to the stratification of those products and services by customers and circumstances. In these instances, the Company may use information such geographic region and distribution channel in determining the SSP.
Sales are typically made on credit and we generally do not require collateral. We perform ongoing credit evaluations of our customers’ financial condition and maintain an allowance for doubtful accounts. Uncollectible accounts are written off when deemed uncollectible, and accounts and notes receivable are presented net of an allowance for doubtful accounts. This allowance represents our best estimate and is based on our judgment after considering a number of factors including third-party credit reports, actual payment history, customer-specific financial information and broader market and economic trends and conditions. In the event that actual uncollectible amounts differ from our estimates, additional expense could be necessary.

1415

Table of Contents
AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


3. Cash, Cash Equivalents and Investments
The following tables summarize the Company's cash, cash equivalents, and held-to-maturity investments at March 31,June 30, 2018 and December 31, 2017 (in thousands):
As of March 31, 2018As of June 30, 2018
Amortized Cost Gross Unrealized Losses Fair Value Cash and Cash Equivalents Short-Term InvestmentsAmortized Cost Gross Unrealized Losses Fair Value Cash and Cash Equivalents Short-Term Investments
Cash$68,207
 $
 $68,207
 $68,207
 $
$47,837
 $
 $47,837
 $47,837
 $
                  
Level 1:                  
Money market funds22,282
 
 22,282
 22,282
 
256,679
 
 256,679
 256,679
 
Corporate bonds4,974
 (3) 4,971
 1,300
 3,674
4,528
 (3) 4,525
 1,000
 3,528
Subtotal27,256
 (3) 27,253
 23,582
 3,674
261,207
 (3) 261,204
 257,679
 3,528
                  
Level 2:                  
State and municipal obligations1,342
 
 1,342
 541
 801
2,587
 
 2,587
 1,991
 596
Total$96,805
 $(3) $96,802
 $92,330
 $4,475
$311,631
 $(3) $311,628
 $307,507
 $4,124

 As of December 31, 2017
 Amortized Cost Gross Unrealized Losses Fair Value Cash and Cash Equivalents Short-Term Investments
Cash$53,459
 $
 $53,459
 $53,459
 $
          
Level 1:         
Money market funds20,884
 
 20,884
 20,884
 
Corporate bonds6,632
 (6) 6,626
 
 6,632
Subtotal27,516
 (6) 27,510
 20,884
 6,632
          
Level 2:         
State and municipal obligations992
 
 992
 762
 230
Total$81,967
 $(6) $81,961
 $75,105
 $6,862
The Company believes the unrealized losses on its investments are due to interest rate fluctuations. As these investments are short-term in nature, are expected to be redeemed at par value, and/or because the Company has the ability and intent to hold these investments to maturity, the Company does not consider these investments to be other than temporarily impaired at March 31,June 30, 2018 or as of December 31, 2017.
4. Inventory
Inventories are stated at the lower of cost and net realizable value. Cost is determined using the weighted average cost of raw materials which approximates the first-in, first-out (“FIFO”) method and includes allocations of manufacturing labor and overhead. Included in finished goods at March 31,June 30, 2018 and December 31, 2017 was $1.6$1.7 million and $1.4 million, respectively, of trial and evaluation hardware units. Provisions are made to reduce excess, obsolete or slow-moving inventories to their net realizable value. InventoriesInventory consisted of the following at March 31,June 30, 2018 and December 31, 2017 (in thousands):
 2018 2017
Raw materials$19,003
 $20,119
Finished goods24,101
 25,346
Total inventory$43,104
 $45,465
5. Goodwill and Intangible Assets

The changes in the carrying amount of goodwill for the three months ended March 31, 2018 were as follows (in thousands):
 TASER
Weapons
 Software and Sensors Total
Balance, beginning of period$1,453
 $13,474
 $14,927
Foreign currency translation adjustment10
 10
 20
Balance, end of period$1,463
 $13,484
 $14,947

Intangible assets (other than goodwill) consisted of the following (in thousands):
   March 31, 2018 December 31, 2017
 
Useful
Life
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
Amortized:             
Domain names5-10 years $3,161
 $(504) $2,657
 $3,161
 $(428) $2,733
Issued patents4-15 years 2,724
 (959) 1,765
 2,697
 (913) 1,784
Issued trademarks3-11 years 857
 (416) 441
 860
 (397) 463
Customer relationships4-8 years 1,396
 (518) 878
 1,377
 (451) 926
Non-compete agreements3-4 years 558
 (376) 182
 556
 (346) 210
Developed technology3-7 years 13,469
 (4,723) 8,746
 13,469
 (3,956) 9,513
Re-acquired distribution rights2 years 2,098
 (1,049) 1,049
 2,133
 (711) 1,422
Total amortized  24,263
 (8,545) 15,718
 24,253
 (7,202) 17,051
Not amortized:             
TASER trademark  900
   900
 900
   900
Patents and trademarks pending  878
   878
 872
   872
Total not amortized  1,778
   1,778
 1,772
   1,772
Total intangible assets  $26,041
 $(8,545) $17,496
 $26,025
 $(7,202) $18,823
 2018 2017
Raw materials$20,288
 $20,119
Finished goods23,679
 25,346
Total inventory$43,967
 $45,465

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


5. Goodwill and Intangible Assets

The changes in the carrying amount of goodwill for the six months ended June 30, 2018 were as follows (in thousands):
 TASER
Weapons
 Software and Sensors Total
Balance, beginning of period$1,453
 $13,474
 $14,927
Goodwill acquired
 9,870
 9,870
Foreign currency translation adjustment(56) (57) (113)
Balance, end of period$1,397
 $23,287
 $24,684

Intangible assets (other than goodwill) consisted of the following (in thousands):
   June 30, 2018 December 31, 2017
 
Useful
Life
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net
Carrying
Amount
Amortized:             
Domain names5-10 years $3,161
 $(580) $2,581
 $3,161
 $(428) $2,733
Issued patents4-15 years 2,858
 (1,004) 1,854
 2,697
 (913) 1,784
Issued trademarks3-11 years 1,010
 (545) 465
 860
 (397) 463
Customer relationships4-8 years 3,742
 (616) 3,126
 1,377
 (451) 926
Non-compete agreements3-4 years 548
 (398) 150
 556
 (346) 210
Developed technology3-7 years 15,449
 (5,594) 9,855
 13,469
 (3,956) 9,513
Re-acquired distribution rights2 years 2,023
 (1,349) 674
 2,133
 (711) 1,422
Total amortized  28,791
 (10,086) 18,705
 24,253
 (7,202) 17,051
Not amortized:             
TASER trademark  900
   900
 900
   900
Patents and trademarks pending  837
   837
 872
   872
Total not amortized  1,737
   1,737
 1,772
   1,772
Total intangible assets  $30,528
 $(10,086) $20,442
 $26,025
 $(7,202) $18,823
Amortization expense of intangible assets for the three and six months ended March 31,June 30, 2018 was $1.7 million and $3.0 million, respectively. Amortization expense of intangible assets for the three and six months ended June 30, 2017 was $1.4$1.0 million and $0.9$1.9 million, respectively. Estimated amortization for intangible assets with definite lives for the remaining ninesix months of 2018, the next five years ended December 31, and thereafter, is as follows (in thousands):
2018$4,047
$3,179
20193,871
4,884
20202,404
3,417
20212,269
2,847
2022838
1,192
2023568
926
Thereafter1,721
2,260
Total$15,718
$18,705

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


6. Other Long-Term Assets
Other long-term assets consisted of the following at March 31,June 30, 2018 and December 31, 2017 (in thousands):
2018 20172018 2017
Cash surrender value of corporate-owned life insurance policies$3,804
 $3,846
$3,847
 $3,846
Deferred commissions (1)
12,881
 6,803
13,766
 6,803
Restricted cash (2)
2,468
 3,333
2,470
 3,333
Prepaid expenses, deposits and other2,420
 1,384
2,748
 1,384
Total other long-term assets$21,573
 $15,366
$22,831
 $15,366
(1) Represents assets for the incremental costs of obtaining a contract with a customer, which consist primarily of sales commissions. These costs are ascribed to or allocated to the underlying performance obligations in the contract and amortized consistent with the recognition timing of the revenue for the underlying performance obligations. The amounts as of December 31, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and isare presented consistent with the prior period amounts. In connection with the Company's adoption of Topic 606, it recorded an adjustment of $7.3 million as of January 1, 2018, and of that amount, $5.4 million was recorded within long-term other assets. The adjusted balance of long-term deferred commissions as of January 1, 2018 was $12.2 million.
(2) As of March 31,June 30, 2018 and December 31, 2017, restricted cash primarily consisted of $1.8 million and $2.7 million, respectively, of sales proceeds related to long-term contracts with customers. As of March 31,June 30, 2018, the proceeds are held in escrow until certain billing milestones are achieved, and then specified amounts are transferred to the Company's operating accounts.
7. Accrued Liabilities
Accrued liabilities consisted of the following at March 31,June 30, 2018 and December 31, 2017 (in thousands):
2018 20172018 2017
Accrued salaries, benefits and bonus$10,217
 $8,957
$12,527
 $8,957
Accrued professional, consulting and lobbying fees4,046
 3,870
2,683
 3,870
Accrued warranty expense559
 644
505
 644
Accrued income and other taxes8,945
 2,558
2,894
 2,558
Other accrued liabilities11,102
 7,473
11,386
 7,473
Accrued liabilities$34,869
 $23,502
$29,995
 $23,502

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


8. Income Taxes
ASC 740 requires a company to record the effects of a tax law change in the period of enactment; however, shortly after the enactment of the Tax Cuts and Jobs Act (the "Tax Act"), the SEC staff issued Staff Accounting Bulletin 118 ("SAB 118"), which allows a company to record a provisional amount when it does not have the necessary information available, prepared, or analyzed in reasonable detail to complete its accounting for the change in the tax law. The measurement period ends when the company has obtained, prepared and analyzed the information necessary to finalize its accounting, but cannot extend beyond one year. The Company continues to analyze the impact of the Tax Act and expects that as additional guidance from IRS Treasury is provided, further updates will be necessary.
The Tax Act imposes a U.S. entity tax on global intangible low-taxed income ("GILTI") earned by certain foreign subsidiaries. The FASB Staff Q&A, Topic 740, No. 5, Accounting for Global Intangible Low-Taxed Income, states that an entity can make an accounting policy election to either recognize deferred taxes for temporary basis differences expected to reverse as GILTI in future years or provide for the tax expense related to GILTI in the year the tax is incurred as a period expense only. Given the complexity of the GILTI provisions, we are still evaluating the effects of the GILTI provisions and have not yet determined our accounting policy. At March 31,June 30, 2018, because we are still evaluating the GILTI provisions and our analysis of future taxable income that is subject to GILTI, we have included GILTI related to current-year operations only in our EAETR (estimated annual effective tax rate) and have not provided additional GILTI on deferred items.


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NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


Deferred Tax Assets
Net deferred income tax assets at March 31,June 30, 2018, include capitalized R&D costs, research and developmentR&D tax credits, stock-based compensation expense, deferred revenue, warranty and inventory reserves, accrued vacation, and other items, partially offset by accelerated depreciation expense and intangible amortization that is not tax deductible. The Company’s total net deferred tax assets at March 31,June 30, 2018 were $14.2$15.8 million.
In preparing the Company’s condensed consolidated financial statements, management assesses the likelihood that its deferred tax assets will be realized from future taxable income. In evaluating the Company’s ability to recover its deferred income tax assets, management considers all available positive and negative evidence, including its operating results, ongoing tax planning and forecasts of future taxable income on a jurisdiction by jurisdiction basis. A valuation allowance is established if it is determined that it is more likely than not that some portion or all of the net deferred tax assets will not be realized. Management exercises significant judgment in determining its provisions for income taxes, its deferred tax assets and liabilities, and its future taxable income for purposes of assessing its ability to utilize any future tax benefit from its deferred tax assets.
Although management believes that its tax estimates are reasonable, the ultimate tax determination involves significant judgments that could become subject to audit by tax authorities in the ordinary course of business. As of each reporting date, management considers new evidence, both positive and negative, that could impact management’s view with regard to future realization of deferred tax assets. As of March 31,June 30, 2018, the Company continues to demonstrate three-year cumulative pre-tax income in the U.S. federal and Arizona tax jurisdictions; however, the Company's Arizona R&D Tax Credits start to expire in 2018 with a significant tranche with a gross value of $1.2 million expiring if not used by the end of 2019. It appears that the Company’s long term investments, which impact short term profits, will likely result in some of the R&D credits expiring before they are utilized. Therefore, management has concluded that it is more likely than not that a portion of the Company’s deferred tax assets will not be realized and has established a valuation allowance.
The Company has claimed R&D tax credits of approximately $17.0 million for federal, Arizona and California income tax purposes related to tax years 2003 to 2018. Management has made the determination that it is more likely than not that the full benefit of the R&D tax credits will not be sustained upon examination and recorded a liability for unrecognized tax benefits of $3.6$3.8 million as of March 31,June 30, 2018. In addition, management accrued $0.1 million for estimated uncertain tax positions related to certain state income tax liabilities, for a total unrecognized tax benefit as of March 31,June 30, 2018 of $3.7$3.9 million. Management expects the amount of unrecognized tax benefit liability to increase by $0.2 million within the next 12 months. Should the unrecognized benefit of $3.7$3.9 million be recognized, the Company's effective tax rate would be favorably impacted. Approximately $2.0$2.1 million of the unrecognized tax benefit associated with R&D credits has been netted against the R&D deferred tax asset.

Effective Tax Rate
The Company’s overall effective tax rate for the threesix months ended March 31,June 30, 2018, after discrete period adjustments, was 12.9%(7.9)%. Before discrete adjustments, the tax rate was 23.1%22.8%, which is more than the federal statutory rate primarily due to state taxes and non-deductible expenses for items such as meals and entertainment, executive compensation limitation under IRC section

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


162(m), lobbying fees, an income inclusion from GILTI, offset by a reduction for foreign-derived intangible income ("FDII"). This was partially offset by R&D tax credit deductions. The effective tax rate was favorably impacted by a $1.6$6.1 million discrete tax benefit primarily associated with windfalls related to stock-based compensation for RSUs that vested or stock options that were exercised during the threesix months ended March 31,June 30, 2018. Of this amount $3.4 million related to stock options exercised by the Company's CEO in connection with the Company's follow-on offering.
9. Stockholders’ Equity
Follow-On Offering
In May 2016,2018, the Company sold 4,645,000 shares of its common stock, which included 645,000 shares pursuant to the full exercise of the underwriters' option to purchase additional shares, in an underwritten public offering at a price of $53.00 per share, which resulted in gross proceeds of $246.2 million. Net proceeds to the Company after deducting fees, commissions, and other expenses related to the offering were $234.0 million.
CEO Performance Award

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


On May 24, 2018 (the “Grant Date”), our stockholders approved the Board of Directors’ grant of 6,365,856 stock option awards to Patrick W. Smith, the Company's CEO (the “CEO Performance Award”). The CEO Performance Award consists of 12 vesting tranches with a vesting schedule based entirely on the attainment of both operational goals (performance conditions) and market capitalization goals (market conditions), assuming continued employment either as the CEO or as both Executive Chairman and Chief Product Officer and service through each vesting date. Each of the 12 vesting tranches of the CEO Performance Award have a 10-year contractual term and will vest upon certification by the Board of Directors that both (i) the market capitalization goal for such tranche, which begins at $2.5 billion for the first tranche and increases by increments of $1.0 billion thereafter, and (ii) any one of the following eight operational goals focused on revenue or eight operational goals focused on Adjusted EBITDA have been met for the previous four consecutive fiscal quarters. Adjusted EBITDA is defined as net income (loss) attributable to common stockholders before interest expense, provision (benefit) for income taxes, depreciation and amortization, gains and losses on dispositions of property and equipment and intangible assets, and stock-based compensation expense.
Eight Separate Revenue Goals (1)
(in thousands)
Eight Separate Adjusted EBITDA-Goals
(in thousands)
Goal #1, $710,058Goal #9, $125,000
Goal #2, $860,058Goal #10, $155,000
Goal #3, $1,010,058Goal #11, $175,000
Goal #4, $1,210,058Goal #12, $190,000
Goal #5, $1,410,058Goal #13, $200,000
Goal #6, $1,610,058Goal #14, $210,000
Goal #7, $1,810,058Goal #15, $220,000
Goal #8, $2,010,058Goal #16, $230,000
(1) In connection with the business combination that was completed during the three months ended June 30, 2018 (Note 15), the revenue goals have been adjusted for the acquiree's Target Revenue, as defined in the CEO Performance Award agreement.
As of June 30, 2018, the following operational goals were considered probable of achievement:
Total revenue of $710.1 million; and
Adjusted EBITDA of $125.0 million
Stock-based compensation expense associated with the CEO Performance Award is recognized over the longer of the expected achievement period for each pair of market capitalization and operational goals, beginning at the point in time when the relevant operational goal is considered probable of being met. The market capitalization goal period and the valuation of each tranche are determined using a Monte Carlo simulation and is used as the basis for determining the expected achievement period of the market capitalization goal. The probability of meeting an operational goal and the expected achievement point in time for meeting a probable operational goal are based on a subjective assessment of our forward-looking financial projections, taking into consideration statistical analysis. Even though no tranches of the CEO Performance Award vest unless a market capitalization and a matching operational goal are both achieved, stock-based compensation expense is recognized only when an operational goal is considered probable of achievement regardless of whether a market capitalization goal is actually achieved. Additionally, stock-based compensation represents a non-cash expense and is recorded as a selling, general, and administrative operating expense on the Company's condensed and consolidated statement of operations.
None of the stock options granted under the CEO Performance Award have vested thus far as the market capitalization goals and operational goals have not yet been achieved as of June 30, 2018. However, as there are two operational goals considered probable of achievement, the Company recorded stock-based compensation expense of $0.5 million related to the CEO Performance Award from the Grant Date through June 30, 2018. The number of stock options expected to vest is 1.1 million shares.
As of June 30, 2018, the Company had $44.8 million of total unrecognized stock-based compensation expense for the performance goals that were considered probable of achievement, which will be recognized over a weighted-average period of 9.2 years. As of June 30, 2018, the Company had unrecognized stock-based compensation expense of $200.7 million for the performance goals that were considered not probable of achievement.

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NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


The Company measured the fair value of the CEO Performance Award using a Monte Carlo simulation approach with the following assumptions: risk-free interest rate of 2.98%, expected term of 10 years, expected volatility of 47.71% and dividend yield of 0.00%.

Stock Incentive Plan
In May 2018, the Company’s stockholders approved a new stock incentive plan authorizing an additional 2.01.0 million shares, plus remaining available shares under a prior plan,plans, for issuance under the new plan. Combined with the legacy stock incentive plans, there are 0.81.7 million shares available for grant as of March 31,June 30, 2018.
Performance-based stock awards
The Company has issued performance-based stock options and performance-based restricted stock units ("RSUs"), the vesting of which is contingent upon the achievement of certain performance criteria related to the operating performance of the Company, as well as successful and timely development and market acceptance of future product introductions. In addition, certainthe Company's products.
RSUs are classified as equity and measured at the fair market value of the underlying stock at the grant date. The Company recognizes RSU expense using the straight-line attribution method over the requisite service period. For performance-based RSUs have additional service-basedcontaining only performance conditions, compensation cost is recognized using the accelerated attribution model over the explicit or implicit service period. For awards containing multiple service, performance or market conditions, where all conditions must be satisfied prior to vesting, requirements subsequent to the achievement of the performance criteria. Compensationcompensation expense is recognized over the longest explicit, implicit or derived service period, (the longer of the period the performance condition is expected to be achieved or the required service period) based on management’s estimate of the probability of the performance criteria being satisfied, adjusted at each balance sheet date.
For performance-based options, stock-based compensation expense is recognized over the expected performance achievement period of individual performance goals when the achievement of each individual performance goal becomes probable. For performance-based options with a vesting schedule based entirely on the attainment of both performance and market conditions, stock-based compensation expense is recognized for each pair of performance and market conditions over the longer of the expected achievement period of the performance and market conditions, beginning at the point in time that the relevant performance condition is considered probable of achievement. The fair value of such awards is estimated on the grant date using Monte Carlo simulations.
Restricted Stock Units
The following table summarizes RSU activity for the threesix months ended March 31,June 30, 2018 (number of units and aggregate intrinsic value in thousands):
Number
of
Units
 
Weighted
Average
Grant-Date
Fair Value
 Aggregate
Intrinsic Value
Number
of
Units
 
Weighted
Average
Grant-Date
Fair Value
 Aggregate
Intrinsic Value
Units outstanding, beginning of year2,348
 $23.47
  2,348
 $23.47
  
Granted122
 30.14
  281
 40.79
  
Released(329) 24.14
  (436) 24.08
  
Forfeited(114) 21.79
  (172) 22.40
  
Units outstanding, end of period2,027
 23.93
 $79,681
2,021
 25.89
 $127,687
Aggregate intrinsic value represents the Company’s closing stock price on the last trading day of the period, which was $39.31$63.18 per share, multiplied by the number of RSUs outstanding. As of March 31,June 30, 2018, there was $39.3$41.7 million in unrecognized compensation costs related to RSUs under the Company's stock plans. The Company expects to recognize the cost related to the RSUs over a weighted average period of 2.682.58 years. RSUs are released when vesting requirements are met.
During the threesix months ended March 31,June 30, 2018, the Company granted no0.1 million performance-based RSUsRSUs. As of March 31,June 30, 2018, the performance criteria had not been met for any of the 0.40.5 million performance-based RSUs outstanding.The performance-based RSUs granted in 2018, 2017 and 2016 contain provisions whereby the amount of RSUs that ultimately vest is dependent upon the level of achievement of performance metrics. The amount of RSUs included in the table above related to such grants is the target level, which is the Company's best estimate of the amount of RSUs that will vest. The maximum additional number of performance-based RSUs that could be earned is 0.30.4 million, which are not included in the table above.

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


Certain RSUs that vested in the threesix months ended March 31,June 30, 2018 were net-share settled such that the Company withheld shares with value equivalent to the employees’ minimum statutory obligation for the applicable income and other employment taxes, and remitted the cash to the appropriate taxing authorities. Total shares withheld were 0.1 million and had a value of $3.6$4.6 million on their respective vesting dates as determined by the Company’s closing stock price on such dates. Payments for the employees’ tax obligations are reflected as a financing activity within the statement of cash flows. These net-share settlements hadThe Company records a liability for the effect of share repurchasestax withholding to be paid by the Company as they reduced the amount of shares that would have otherwise been issued as a result of the vesting had they been settled on a gross basis with the employees responsible for directly remitting the applicable income and other employment taxes.

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AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


reduction to additional paid-in capital.
Stock Option Activity
The following table summarizes stock option activity for the threesix months ended March 31,June 30, 2018 (number of units and aggregate intrinsic value in thousands):
Number
of
Options
 
Weighted
Average
Exercise
Price
 Weighted Average Remaining Contractual Life (years) Aggregate
Intrinsic Value
Number
of
Options
 
Weighted
Average
Exercise
Price
 Weighted Average Remaining Contractual Life (years) Aggregate
Intrinsic Value
Options outstanding, beginning of year804
 $4.99
  804
 $4.99
  
Granted
 
  6,366
 28.58
  
Exercised(78) 4.54
  (418) 5.30
  
Expired / terminated
 
  
 
  
Options outstanding, end of period726
 5.04
 0.99 $24,879
6,752
 27.21
 9.40 $242,866
Options exercisable, end of period722
 5.04
 1.00 24,729
382
 4.65
 1.06 22,354
Options expected to vest, end of period1,062
 

 
 

Aggregate intrinsic value represents the difference between the exercise price of the underlying stock option awards and the closing market price of the Company's common stock of $39.31$63.18 on March 31,June 30, 2018. The intrinsic value of options exercised for the threesix months ended March 31,June 30, 2018 and 2017 was $2.0$18.8 million and $0.7$2.6 million, respectively. As of March 31,June 30, 2018, total options outstanding includes 0.2included 6.4 million unvested performance-based stock options, of which 4,350 were unvested and of those, none1.1 million are expected to vest.
On February 26,Of the total stock options exercised during the six months ended June 30, 2018, 0.3 million were exercised and the shares then sold by the Company's Board of Directors approved a new stock option grant to Patrick W. Smith,CEO in connection with the Company's Chief Executive Officer (“CEO Performance Award”), which is subject to shareholder approval.follow-on offering. The CEO Performance Award will consist of 12 vesting tranches, each equalsurrendered already owned shares to 1%cover the exercise price of the Company's outstanding common stock as of February 23, 2018,option exercises. The option exercises were net-share settled such that the business day priorCompany withheld shares with value equivalent to the award date. The CEO Performance Award will haveCEO’s minimum statutory obligation for the applicable income and other employment taxes, and remitted the cash to the appropriate taxing authorities. Total shares withheld for tax purposes and surrendered to cover the option exercises were 0.1 million and 29,854, respectively, and had a per share exercise price equal to $28.58, the closing pricevalue of our common stock on February 23, 2018,$6.2 million and will have a vesting schedule based entirely$1.6 million, respectively, on the attainment of both operational and market capitalization goals. Becauseexercise date as determined by the CEO Performance Award is still subject to shareholder approval, there was no financial statement impact as of andCompany’s closing stock price on that day. Payments for the three months ended March 31, 2018.employees’ tax obligations are reflected as a financing activity within the statement of cash flows. The Company records a liability for the tax withholding to be paid by the Company as a reduction to additional paid-in capital.
Stock-based Compensation Expense
Stock-based compensation cost for RSUs is measured based on the closing fair market value of the Company’s common stock on the date of grant. The Company recognizes stock-based compensation cost over the requisite service period of an award on a straight-line basis for time-based RSUs and on a graded basis for RSUs that are contingent on the achievement of performance conditions. The following table summarizes the composition of stock-based compensation for the three and six months ended March 31,June 30, 2018 and 2017 (in thousands):
Three Months Ended March 31,Three Months Ended June 30, Six Months Ended June 30,
2018 20172018 2017 2018 2017
Cost of products sold and services delivered$141
 $79
$125
 $155
 $266
 $234
Sales, general and administrative expenses2,304
 2,028
2,731
 2,155
 5,035
 4,183
Research and development expenses1,648
 1,340
2,098
 1,666
 3,746
 3,006
Total stock-based compensation$4,093
 $3,447
$4,954
 $3,976
 $9,047
 $7,423
Stock Repurchase Plan
In February 2016, the Company's Board of Directors authorized a stock repurchase program to acquire up to $50.0 million of the Company’s outstanding common stock subject to stock market conditions and corporate considerations. During the three six

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months ended March 31,June 30, 2018 and 2017, no common shares were purchased under the program. As of March 31,June 30, 2018, $16.3 million remains available under the plan for future purchases. The Company suspended its 10b5-1 plan during 2016, and any future purchases will be discretionary.

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10. Line of Credit
The Company has a $10.0 million revolving line of credit with a domestic bank. At both March 31,June 30, 2018 and December 31, 2017, there were no borrowings under the line. Under the terms of the line of credit, available borrowings are reduced by outstanding letters of credit. As of March 31,June 30, 2018, the Company had letters of credit outstanding of $2.7 million under the facility, and available borrowing of $7.3 million. The line is secured by substantially all of the assets of the Company, and bears interest at varying rates (currently LIBOR plus 1.25% or Prime less 0.50%). The line of credit matures on December 31, 2018, and requires monthly payments of interest only. The Company’s agreement with the bank requires it to comply with a maximum funded debt to earnings before interest, taxes, depreciation and amortization ("EBITDA") ratio, as defined, of no greater than 2.00 to 1.00 based upon a trailing twelve-month period. At March 31,June 30, 2018, the Company’s funded debt to EBITDA ratio was 0.002 to 1.00.
11. Commitments and Contingencies
Product Litigation
The Company is currently named as a defendant in seven lawsuits in which the plaintiffs allege either wrongful death or personal injury in situations in which a TASER CEW was used by law enforcement officers in connection with arrests. While the facts vary from case to case, the product liability claims are typically based on an alleged product defect resulting in injury or death, usually involving a failure to warn, and the plaintiffs are seeking monetary damages. The information throughout this note is current through the date of these financial statements.
As a general rule, it is the Company’s policy not to settle suspect injury or death cases. Exceptions are sometimes made where the settlement is strategically beneficial to the Company. Also, on occasion, the Company’s insurance company has settled such lawsuits over the Company’s objection where the risk is over the Company’s liability insurance deductibles. Due to the confidentiality of the Company's litigation strategy and the confidentiality agreements that are executed in the event of a settlement, the Company does not identify or comment on which specific lawsuits have been settled or the amount of any settlement.
In 2009, the Company implemented new risk management strategies, including revisions to product warnings and training to better protect both the Company and its customers from litigation based on “failure to warn” theories - which comprise the vast majority of the cases against the Company. These risk management strategies have been highly effective in reducing the rate and exposure from litigation post-2009. From the third quarter of 2011 to the firstsecond quarter of 2018, product liability cases have been reduced from 55 to seven active cases.
Management believes that pre-2009 cases have a different risk profile than cases which have occurred since the risk management procedures were introduced in 2009. Therefore, the Company necessarily treats certain pre-2009 cases as exceptions to the Company’s general no settlement policy in order to reduce caseload, legal costs and liability exposure.
The Company intends to continue its successful practice of aggressively defending and generally not settling litigation except in very limited and unusual circumstances as described above.Withabove. With respect to each of the pending lawsuits, the following table lists the name of plaintiff, the date the Company was served with process, the jurisdiction in which the case is pending, the type of claim and the status of the matter.
Plaintiff  
Month
Served
  Jurisdiction  Claim Type  Status
Derbyshire  Nov-09  Ontario, Canada Superior Court of Justice  Officer Injury  Discovery Phase. Trial scheduled for October 14, 2019.
Shymko  Dec-10  The Queen's Bench, Winnipeg Centre, Manitoba  Wrongful Death  Pleading Phase, currently inactive
Ramsey  Jan-12  12th Judicial Circuit Court, Broward County, FL  Wrongful Death  Discovery Phase, currently inactive
Bennett Sep-15 11th Judicial Circuit Court, Miami-Dade County, FL Wrongful Death Discovery Phase. Trial scheduled for June 18, 2018.Phase
Masters Nov-16 U.S. District Court, Western District of Missouri Suspect Injury Discovery Phase. Trial scheduled for December 10, 2018.
Taylor Mar-17 U.S, District Court, Southern District of Texas Officer Injury Discovery Phase.Dispositive Motion Phase: The Company'sCompany filed its motion for summary judgment was filed on April 20, 2018. Docket call scheduled for August 31, 2018.2018
Wiggington Apr-18 U.S, District Court, Western District Court of Missouri Wrongful Death Pleading Phase
No product liability cases were dismissed or judgments entered during the first quartersix months of 2018 and through the date of these financial statements and there are no product litigation matters in which the Company is involved that are currently on appeal.

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The claims, and in some instances the defense, of each of these lawsuits have been submitted to the Company’s insurance carriers that maintained insurance coverage during the applicable periods. The Company continues to maintain product liability insurance coverage with varying limits and deductibles. The following table provides information regarding the Company’s product liability insurance. Remaining insurance coverage is based on information received from the Company’s insurance provider (in millions).
Policy Year 
Policy
Start
Date
 
Policy
End
Date
 
Insurance
Coverage
 
Deductible
Amount
 
Defense
Costs
Covered
 
Remaining
Insurance
Coverage
 
Active Cases and Cases on
Appeal
2009 12/15/2008 12/15/2009 $10.0
 $1.0
 N $10.0
 Derbyshire
2010 12/15/2009 12/15/2010 10.0
 1.0
 N 10.0
 Shymko
2011 12/15/2010 12/15/2011 10.0
 1.0
 N 10.0
 n/a
Jan-Jun 2012 12/15/2011 6/25/2012 7.0
 1.0
 N 7.0
 Ramsey
Jul-Dec 2012 6/25/2012 12/15/2012 12.0
 1.0
 N 12.0
 n/a
2013 12/15/2012 12/15/2013 12.0
 1.0
 N 12.0
 n/a
2014 12/15/2013 12/15/2014 11.0
 4.0
 N 11.0
 n/a
2015 12/15/2014 12/15/2015 10.0
 5.0
 N 10.0
 Bennett
2016 12/15/2015 12/15/2016 10.0
 5.0
 N 10.0
 Masters
2017 12/15/2016 12/15/2017 10.0
 5.0
 N 10.0
 Taylor
2018 12/15/2017 12/15/2018 10.0
 5.0
 N 10.0
 Wiggington
Other Litigation
Phazzer Patent Infringement Litigation
In November 2015,February 2016, the Company filed a complaint against Phazzer Electronics Inc. and Sang Min International Co. Ltd.(“Phazzer”) for patent infringement, trademark infringement and false advertising. On July 21, 2017, the U.S. District Court for the Middle District of Florida (Case No. 6:16-cv-00366-PGB-KRS) granted the Company's Motion for Sanctions and for a Permanent Injunction against Florida-based Phazzer Electronics, Inc.Phazzer. The Court issued a broad permanent injunction against Phazzer banning sales of the infringing Phazzer Enforcer CEWs and dart cartridges. The injunction prohibits Phazzer and its officers, agents, employees, and anyone else acting in concert with them, from making, using, offering for sale, selling, distributing, importing or exporting Phazzer CEWs and associated cartridges. Phazzer is further enjoined from dumping its infringing inventory by “donating” CEWs to law enforcement, and from false advertising and comparison to TASER®TASER brand products. Both Phazzer and its U.S. distributors are barred from exporting CEWs or cartridges to fill foreign orders. The injunction also makes clear that nonparties who assist Phazzer in violating the injunction, including specifically Taiwanese CEW manufacturer Sang Min International and Double Dragon Development and Trading Corporation, may be held in contempt of court. On August 10, 2017, Phazzer filed a notice of appeal to the Federal Circuit, which is detailed in the following section entitled cases on appeal. On April 19, 2018, the Court deniedfully briefed but remains pending. Phazzer's second motionmultiple attempts to stay the injunction pending appeal.appeal have been denied by both the district and appellate courts.
On April 4, 2018, the Court entered a judgment for the Company against Phazzer in an amount exceeding $7.8 million which included an award to the Company of compensatory and treble damages for willful infringement, and also an award of reasonable attorneys’ fees and costs. The collectability of this judgment is in doubt since Phazzer has informed the Court that it is insolvent. On May 1, 2018, Phazzer appealed the damages award to the Federal Circuit. On May 11, 2018, the district court entered final judgment against Phazzer ending the district court proceedings.
In imposing severe sanctions against Phazzer, the Court found that Phazzer “engaged in a pattern of bad faith conduct designed and intended to delay, stall, and increase the cost of this litigation,” and that Phazzer repeatedly disregarded Court Orders thereby exhibiting “contemptuous”, “egregious”, “flagrant” and “intentional obstructionist behavior” resulting in willful “abuse [of] the judicial process.” The Court made similar findings in both the damages and contempt orders.
On April 27, 2017, during the district court litigation, Phazzer filed a second petition for reexamination of the Company’s patent with the USPTO. The Company’s patent (U.S. No. 7,234,262) at issue in the litigation (Case No. 6:16-cv-00366-PGB-KRS) relates to the CEW’s data recording of date and time of each trigger operation and duration of the stimulus. The Court found that patent is “valid, enforceable, and infringed by Phazzer.” The injunction will remain in effect untilOn April 2, 2018, the patent expires, and includes any CEW or device not colorably different from the Phazzer Enforcer CEW. Phazzer filed a second petition for reexamination of the Company's Patent on April 27, 2017 which resulted in a non-final office action on December 5, 2017 rejecting all old and new patent claims. The Company filed its response on February 5, 2018 andexaminer issued a final office action was issued by the USPTO rejecting all old and new patent claims. The Company has appealedis appealing this ruling.decision. The Company’s patent remains valid and enforceable unless and until all appeals are exhausted and the patent is formally canceled (at least a 2-year process). The Phazzer injunction is stillremains in full force and effect despite recent USPTO office action.

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effect.
The Company's trademark that is the subject of the injunction is Federal Registration No. 4,423,789, relating to the non-functional shape of TASER CEW cartridges used to launch the darts. The Court found the trademark “valid and enforceable, not generic, functional, or merely descriptive, and infringed by Phazzer.” The permanent injunction covers all Phazzer CEW dart cartridges that

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are confusingly similar to, or not more than a colorable imitation of, TASER CEW cartridges, and includescartridges. During the litigation, Phazzer product numbers 1-DC15, 1-DC21, 1-DC25, 1-DC21-SIDT, 1-PB30, 1-PB8F, 1-PB15943, 1-RB30, 1-PA30, and 1-LOWIMPT2015. Phazzer has filed a petition to cancel Axon’s trademark.
The Court expressly found that Phazzer cartridges currently marketed and sold as compatible with TASER brand CEWs embody the protected appearance and constitute infringing products enjoined under its Order. Phazzer was also ordered byCompany’s trademark, which the Court “not [to] challenge or continue to challengeTrademark Board stayed until the validity or enforceabilityconclusion of the ‘789 Registration in any manner in any forum, including the USTPO.” Accordingly, Phazzer’s pending USPTO cancellation action, which was stayed while thedistrict court litigation ran its course, will be dismissed.and all related appeals.
Digital Ally Patent Litigation
In February 2016, the Company was served with a first amended complaint filed by Digital Ally Inc. (“Digital”) in the Federal District Court for the District of Kansas (Case No. CV-16-02032-CM-JPO) alleging patent infringement regarding the Company's Axon Signal technology, commercial bribery, antitrust, and unfair competition. In March 2016, the Company was served with a second amended complaint with similar allegations. The second amended complaint seeks a judgment of infringement, monetary damages, a permanent injunction, punitive damages and attorneys’ fees and costs.
Digital Ally’s complaint has been substantially narrowed based on (1) the district court dismissingcourt’s dismissal of all of Digital Ally’sDigital’s antitrust claims in January 2017;2017, which was affirmed by the Federal Circuit in May 2018; (2) the USPTO granting validity reviewdistrict court’s dismissal of Digital Ally’sDigital’s ‘292 patent in June 2017, and Digital Ally subsequently dismissing this patent from the litigation with prejudice in March 2018, and covenantingDigital’s execution of a covenant not to sue the Company with respect toAxon on that patent on all existing and priorAxon products; and (3) Digital Ally’sDigital’s dismissal of certain inconsistent claims in the ‘452 patent, leaving only independent claim 10 for resolution by the Court. The Company believes the remaining claim of the ‘452 patent is invalid and not infringed, and is vigorously defending this litigation. Digital Ally filed an appeal on the dismissal of its antitrust claims on April 20, 2017, which is pending in the Federal Circuit Court of Appeals. The Company’s
After instituting inter parte review of theDigital’s ‘292 patent was heard byin June 2017, the PTABPatent Trial and Appeal Board ("PTAB") ultimately rejected the Company’s invalidity challenge on February 23,June 1, 2018. Although this patent is no longer at issue in the litigation, the Company is appealing this ruling.
On July 19, 2018, the district court issued its claim construction ruling on three disputed claim terms in the remaining claim 10 of Digital’s ‘452 patent. This ruling now triggers various discovery and other deadlines in the litigation, including mandatory mediation. No trial date has been set, but the Court has set certain other deadlines, including mediation no later than December 3, 2018 and a decision is expected by early June 2018.
The litigation stay has been lifted and the case is in the discovery phase. A third Scheduling Order was enteredpretrial conference on December 20, 2017, andJanuary 16, 2019 (where a Markman Hearing was held on March 8, 2018.trial date may be set).
Antoine di Zazzo Arbitration
In April 2016, the Company was served with a notice of arbitration claim filed by Antoine di Zazzo, the Company’s former distributor in France, for commissions allegedly owed Mr. di Zazzo. The arbitration claim was filed with the International Court of Arbitration of the International Chamber of Commerce in Paris, France, and the amount that is claimed in controversy is $0.6 million. The Company’s records reflect that all commissions that were due Mr. di Zazzo under his contract were paid or offered to him and the Company will vigorously defend this arbitration claim.
VIEVU CommercialRichey Class Action Litigation
In February 2017, the Company was served withOn June 25, 2018, consumer weapon purchaser Douglas Richey (“Richey”) filed a complaint filed by VieVU, LLC (“VIEVU” ) alleging tortious interference with a business expectancy. In February 2017, the Company filed complaints against VIEVU for unfair competition and false advertising in both the Superior Court of Arizona for Maricopa County as well as the California Superior Court for Santa Cruz County. VIEVU and the Company entered into mutual stipulations for dismissal of both parties’ complaints against the other. On February 21, 2018, the Federal lawsuit against VIEVU was dismissed, and on February 27, 2018 the Stateclass action lawsuit against the Company in the Northern District of California (Case No. 3:18-cv-03751-WHA) purporting to assert claims on behalf of all persons in the United States who purchased or acquired a TASER Pulse, TASER X2 and TASER X26P model CEW in the four-year period preceding the complaint. Richey claims his Pulse CEW discharged while in its case in his jacket pocket due to a faulty safety switch. He was dismissed.not injured. He alleges violation of the Magnuson-Moss Warranty Act, 15 U.S.C. § 2310(D)(1), the Song-Beverly Consumer Warranty Act for Breach of Express Warranty, Cal. Civ. Code § 1790, and California's Consumers Legal Remedies Act, as well as fraudulent omission and unjust enrichment. The Company is preparing to file a motion to dismiss the complaint, which it believes is meritless.
Appeals
Four appeals are currently pending in the Federal Circuit regarding various orders entered in the Phazzer litigation (see above). Appeal No. 17-2637 relates to the district court’s July 21, 2017 sanctions order and permanent injunction and is fully briefed. The other three appeals relating to the district court’s April 4, 2018 damages award in the Company’s favor (No. 18-1914) and its May 4, 2018 contempt order as to Phazzer (No. 18-2059) and Abboud (No. 20-1857) have been consolidated. Phazzer and Abboud’s opening briefs are due August 10, 2018.
On May 2, 2018, the Federal Circuit issued its judgment in the Company’s favor affirming the district court’s dismissal of

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AppealsDigital’s antitrust claims (discussed above). On July 6, 2018, Digital filed a Petition for Writ of Certiorari with the U.S. Supreme Court. The Company has waived its response believing the petition is frivolous.
The judgment entered resulting
Voluntary Request Letter from the Court grantingU.S. Federal Trade Commission
On or about June 14, 2018, the Company received a letter from the U.S. Federal Trade Commission (“FTC”) with respect to its non-public investigation into the Company’s motionrecent acquisition of VIEVU, LLC. See Note 15 for dismissaladditional information regarding the VIEVU acquisition.  In the letter, the FTC has requested that the Company provide, on a voluntary basis, certain information and documentation relating to its acquisition of Digital Ally litigation for antitrust claims as well asVIEVU. The Company is reviewing the judgmentletter and permanent injunction in the Company’s favor against Phazzer are on appeal as noted ininformation request and is cooperating with the following table:
Plaintiff
Month
Served
JurisdictionClaim TypeStatus
Digital AllyJan-16U.S. District Court, District of KansasAntitrust ClaimsThe Company's motion for dismissal of the antitrust claims was granted on January 12, 2017 with judgment entered in its favor on April 14, 2017 and Plaintiff filed an appeal on April 20, 2017.
AxonMar-16U.S. District Court, Middle District of FloridaJudgment and Permanent InjunctionThe Company received judgment in its favor and a permanent injunction against Phazzer on July 21, 2017. Phazzer filed a notice of appeal on August 10, 2017.
investigation. 
General
From time to time, the Company is notified that it may be a party to a lawsuit or that a claim is being made against it. It is the Company’s policy to not disclose the specifics of any claim or threatened lawsuit until the summons and complaint are actually served on the Company. After carefully assessing the claim, and assuming the Company determines that it is not at fault or it disagrees with the damages or relief demanded, the Company vigorously defends any lawsuit filed against the Company. In certain legal matters, the Company records a liability when losses are deemed probable and reasonably estimable. In evaluating matters for accrual and disclosure purposes, the Company takes into consideration factors such as our historical experience with matters of a similar nature, the specific facts and circumstances asserted, the likelihood of our prevailing, the availability of insurance, and the severity of any potential loss. The Company reevaluates and updates accruals as matters progress over time.
Based on the Company's assessment of outstanding litigation and claims as of March 31,June 30, 2018, the Company has determined that it is not reasonably possible that these lawsuits will individually, or in the aggregate, materially affect its results of operations, financial condition or cash flows. However, the outcome of any litigation is inherently uncertain and there can be no assurance that any expense, liability or damages that may ultimately result from the resolution of these matters will be covered by its insurance or will not be in excess of amounts recognized or provided by insurance coverage and will not have a material adverse effect on our operating results, financial condition or cash flows.
Off-Balance Sheet Arrangements
Under certain circumstances, the Company uses letters of credit and surety bonds to guarantee its performance under various contracts, principally in connection with the installation and integration of its Axon cameras and related technologies. Certain of the Company's letters of credit and surety bonds have stated expiration dates with others being released as the contractual performance terms are completed. At March 31,June 30, 2018, the Company had outstanding letters of credit of $2.7 million that are expected to expire in May 2018.2019. Additionally, the Company had $10.6$14.1 million of outstanding surety bonds at March 31,June 30, 2018, with $1.0 million expiring in 2018, $0.1 million expiring in 2020, $2.3 million expiring in 2021, $3.1 million expiring in 2022 and the remaining $4.0$7.5 million expiring in 2023.
12. Related Party Transactions
The Company subscribes to various cloud-based applications from Salesforce. Bret Taylor, a member of the Company's Board of Directors, serves as President and Chief Product Officer of Salesforce. The Company incurs costs at different times throughout the year, typically in advance of services being provided, and subsequently amortizes these costs ratably to expense as services are provided over the contractual term. The Company did not make anymade payments of $1.7 million related to these services during each of the three and six months ended March 31,June 30, 2018, and made payments of $1.0$0.2 million and $1.2 million during the three and six months ended March 31, 2017.June 30, 2017, respectively.
13. Employee Benefit Plans
The Company has a defined contribution profit sharing 401(k) plan for eligible employees, which is qualified under Sections 401(a) and 401(k) of the Internal Revenue Code of 1986, as amended. Employees are entitled to make tax-deferred contributions of up to the maximum amount allowed by law of their eligible compensation.
The Company also has a non-qualified deferred compensation plan for certain executives, key employees and non-employee directors through which participants may elect to postpone the receipt and taxation of a portion of their compensation, including

stock-based compensation, received from the Company. The non-qualified deferred compensation plan allows eligible participants to defer up to 80% of their base salary and up to 100% of other types of compensation. The plan also allows for matching and discretionary employer contributions. Employee deferrals are deemed 100% vested upon contribution. Distributions from the plan are made upon retirement, death, separation of service, specified date or upon the occurrence of an unforeseeable emergency. Distributions can be paid in a variety of forms from lump sum to installments over a period of years. Participants in the plan are entitled to select from a wide variety of investments available under the plan and are allocated gains or losses based upon the performance of the investments selected by the participant. All gains or losses are allocated fully to plan participants and the Company does not guarantee a rate of return on deferred balances. Assets related to this plan consist of corporate-owned life

insurance contracts and are included in other assets in the condensed consolidated balance sheets. Participants have no rights or claims with respect to any plan assets and any such assets are subject to the claims of the Company’s general creditors.
Contributions to the plans are made by both the employee and the Company. Company contributions to the 401(k) plan are based on the level of employee contributions and are immediately vested. The Company’s matching contributions to the 401(k) plan for the three months ended March 31,June 30, 2018 and 2017, were $0.8 million and $0.7$0.6 million, respectively, and $1.6 million and $1.3 million for the six months ended June 30, 2018 and 2017, respectively. Future matching or profit sharing contributions to the plans are at the Company’s sole discretion.
14. Segment Data
The Company is comprised of two reportable segments: the manufacture and sale of CEWs, batteries, accessories, extended warranties and other products and services (the “TASER Weapons” segment); and the software and sensors business, which includes the sale of devices, wearables, applications, cloud and mobile products (collectively, the “Software and Sensors” segment). Within the Software and Sensors segment, the Company specifies sales of products and services. Revenue from the Company's “products” in the Software and Sensors segment are generally sales of sensors, including on-officer body cameras, Axon Fleet cameras, other hardware sensors, warranties on sensors,and other products, and is sometimes referred to as Sensors and Other revenue. Revenue from the Company's “services” in the Software and Sensors segment comprise sales related to the Axon Cloud, which includes Evidence.com, cloud-based evidence management software revenue, other recurring cloud-hosted software revenue and related professional services, and is sometimes referred to as Axon Cloud revenue. Within the Software and Sensors segment, the Company includes only revenues and costs attributable to that segment which include: costs of sales for both products and services, direct labor, selling expenses for the sales team, product management and R&D for products included, or to be included, within the Software and Sensors segment. All other costs are included in the TASER Weapons segment. The Company’s Chief Executive Officer, who is the CODM, is not provided asset information by segment, and therefore, no asset information is provided.
Information relative to the Company’s reportable segments was as follows (in thousands):
Three Months Ended March 31, 2018 
Three Months Ended March 31, 2017 (1)
Three Months Ended June 30, 2018 
Three Months Ended June 30, 2017 (1)
TASER
Weapons
 Software and Sensors Total 
TASER
Weapons
 Software and Sensors Total
TASER
Weapons
 Software and Sensors Total 
TASER
Weapons
 Software and Sensors Total
Net sales from products (2)
$63,524
 $17,450
 $80,974
 $57,671
 $9,820
 $67,491
$60,624
 $16,097
 $76,721
 $53,016
 $13,859
 $66,875
Net sales from services (3)

 20,241
 20,241
 
 11,751
 11,751

 22,505
 22,505
 
 12,768
 12,768
Net sales63,524
 37,691
 101,215
 57,671
 21,571
 79,242
60,624
 38,602
 99,226
 53,016
 26,627
 79,643
Cost of product sales20,543
 11,891
 32,434
 18,026
 9,046
 27,072
17,681
 13,406
 31,087
 16,078
 14,094
 30,172
Cost of service sales
 4,320
 4,320
 
 3,500
 3,500

 4,996
 4,996
 
 3,834
 3,834
Cost of sales20,543
 16,211
 36,754
 18,026
 12,546
 30,572
17,681
 18,402
 36,083
 16,078
 17,928
 34,006
Gross margin42,981
 21,480
 64,461
 39,645
 9,025
 48,670
42,943
 20,200
 63,143
 36,938
 8,699
 45,637
Sales, general and administrative21,265
 14,494
 35,759
 17,216
 13,641
 30,857
21,920
 17,423
 39,343
 17,492
 14,332
 31,824
Research and development2,960
 12,159
 15,119
 2,212
 10,251
 12,463
4,019
 14,482
 18,501
 1,863
 11,126
 12,989
Income (loss) from operations$18,756
 $(5,173) $13,583
 $20,217
 $(14,867) $5,350
$17,004
 $(11,705) $5,299
 $17,583
 $(16,759) $824


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 Six Months Ended June 30, 2018 
Six Months Ended June 30, 2017 (1)
 
TASER
Weapons
 Software and Sensors Total 
TASER
Weapons
 Software and Sensors Total
Net sales from products (2)
$124,148
 $33,547
 $157,695
 $110,687
 $23,679
 $134,366
Net sales from services (3)

 42,746
 42,746
 
 24,519
 24,519
Net sales124,148
 76,293
 200,441
 110,687
 48,198
 158,885
Cost of product sales38,224
 25,297
 63,521
 34,104
 23,140
 57,244
Cost of service sales
 9,316
 9,316
 
 7,334
 7,334
Cost of sales38,224
 34,613
 72,837
 34,104
 30,474
 64,578
Gross margin85,924
 41,680
 127,604
 76,583
 17,724
 94,307
Sales, general and administrative43,185
 31,917
 75,102
 34,708
 27,973
 62,681
Research and development6,979
 26,641
 33,620
 4,075
 21,377
 25,452
Income (loss) from operations$35,760
 $(16,878) $18,882
 $37,800
 $(31,626) $6,174
(1) Amounts for the three and six months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
(2) Software and Sensors “products” revenue consists of sales of sensors, including on-officer body cameras, Axon Fleet cameras, other hardware sensors, warranties on sensors, and other products, and is sometimes referred to as Sensors and Other revenue.

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(3) Software and Sensors “services” revenue comprises sales related to the Axon Cloud, which includes Evidence.com, cloud-based evidence management software revenue, other recurring cloud-hosted software revenue and related professional services and is sometimes referred to as Axon Cloud revenue.
15. Subsequent EventBusiness Acquisition
On May 3, 2018, (the “Closing Date”),the acquisition date, the Company acquired all of the outstanding ownership interests of VIEVU, LLC (“VIEVU”), a public safety camera and cloud-based evidence management system provider for law enforcement agencies.
The estimated purchase price of $17.3 million consisted of $4.6$5.0 million in cash, net of cash acquired of $0.1 million, and $2.4 million or 58,843 shares of the Company's common stock (the “Closing Stock”) issued to VIEVU’s parent company, Safariland, LLC (“Safariland”), at closing. The number. Additionally, the purchase price consisted of sharescontingent consideration of Closing Stock was determined by dividing $2.5 million in aggregate value by the volume-weighted average price of the Company’s common stock, as reported on the NASDAQ Global Select Market, for the 20-trading day period up to and including the trading day that was three trading days immediately preceding (but not including) the Closing Date (the “Closing Stock Price”). The Closing Stock Price was $42.49 per share.
Pursuant to the terms of the transaction, the Company has agreed to issue up to $6.0 million in aggregate valueor 141,226 additional shares of its common stock (the “Earn-Out Stock Payments”), at a price per share equal to the Closing Stock Price, if certain conditions relating to retention of VIEVU’scertain VIEVU customers are met as of the first and second anniversaries of the Closing Date. Subject to the satisfaction of those conditions, the Company may issue up to 141,226 additional shares of common stock in respectacquisition date. The fair value of the Earn-Out Stock Payments.
Concurrently with the closingcontingent consideration as of the VIEVU acquisition date was $5.8 million. The purchase price also included the Company entered intofair value of a long-term Product Development and Supplier Agreement (the “Supply Agreement”) with Safariland, pursuant to which Safariland will be the Company’s preferred provider of holsters for its CEW products. The Company will include theestimated fair value of the Supply Agreement as of the acquisition date was $4.2 million, a componentportion of which was recorded within accrued liabilities and the remaining portion recorded within other long-term liabilities.
Pursuant to ASC 805, the acquisition of VIEVU has been accounted for as a business combination, under the acquisition method of accounting, which resulted in acquired assets and assumed liabilities being measured at their estimated fair values as of the acquisition date. As of the acquisition date, goodwill was measured as the excess of consideration transferred, which is also generally measured at fair value, over the net acquisition date fair values of the assets acquired and liabilities assumed. The final purchase price and purchase price allocation will be determined when the Company has completed the detailed valuations and necessary calculations. The final purchase price and purchase price allocation could differ materially from the preliminary allocation disclosed below. The final allocation may include (1) changes in the fair value of the contingent consideration and Supply Agreement, and (2) changes in fair values of assets and liabilities, including intangible assets and goodwill.

28

Table of Contents
AXON ENTERPRISE, INC.
NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS – (Continued)


The major classes of assets and liabilities to which the Company has allocated the purchase price, to be allocatedon a preliminary basis, were as follows (in thousands):
Accounts receivable$1,776
Inventory2,626
Prepaid expenses and other assets314
Property and equipment459
Contract assets1,472
Intangible assets4,500
Goodwill9,870
Accounts payable and accrued liabilities(3,172)
Deferred revenue(543)
Total purchase price$17,302
The Company has assigned the goodwill to the acquired netSoftware and Sensors segment. Identifiable definite-lived intangible assets were assigned a total weighted average amortization period of VIEVU. The acquisition will be accounted for in the second quarter of fiscal year 2018 using the acquisition method in accordance with ASC 805, Business Combinations. Accordingly, the identified assets and liabilities assumed will be measured at their acquisition-date fair value. VIEVU’s operating results will be5.1 years. VIEVU has been included in the Company’sCompany's consolidated results of operations subsequent to the acquisition date. Revenue and loss from operations included in the Company's consolidated financial statements from the effectiveacquisition date through June 30, 2018 were $2.2 million and $1.2 million, respectively. Pro forma results of the acquisition (i.e., May 3, 2018).
The Closing Stock and the shares of common stock that may be issued in respect of the Earn-Out Stock Payments (if any), was and will be, as applicable, issued without registration under the Securities Act of 1933, as amended (the “Securities Act”), in reliance upon the exemption from registration set forth in Section 4(a)(2) of the Securities Act and Rule 506 of Regulation D promulgated by the SEC thereunder. Safariland represented and warrantedoperations for VIEVU have not been presented because they are not material to the Company that it is an “accredited investor” as that term is defined in Rule 501consolidated results of Regulation D, and the Company did not engage in any general solicitation inoperations. In connection with the issuancesacquisition, the Company incurred and expensed costs of Company common stock contemplated by the terms ofapproximately $0.7 million, which included legal, accounting and other third-party expenses related to the transaction. All such sharesSubsequent to the acquisition date, the Company recorded an expense of Company common stock are and will be, as applicable, “restricted securities” as$0.6 million related to purchase commitments assumed in the VIEVU business combination that term is defined in Rule 144 promulgated by the SEC under the Securities Act.exceeded estimated future demand.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following is a discussion of the Company’s financial condition as of March 31,June 30, 2018, and results of operations for the threesix months ended March 31,June 30, 2018 and 2017. The following discussion may be understood more fully by reference to the consolidated financial statements, notes to the consolidated financial statements, and Management’s Discussion and Analysis of Financial Condition and Results of Operations section contained in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.
Certain statements contained in this report that are not historical are “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended (the “Securities Act”), and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), including statements regarding our expectations, beliefs, intentions and strategies regarding the future. We intend that such forward-looking statements be subject to the safe-harbor provided by the Private Securities Litigation Reform Act of 1995. Such forward-looking statements relate to, among other things: our intentions and beliefs about future development efforts and activities, including our intentions to invest in R&D as well as the development of new product and service lines and enhanced features for our existing product and service lines; intentions to shift an increasing amount of business to a subscription model; our need that customers upgrade and replace existing conducted electrical weapons (“CEW”) units and the willingness of customers to do so; that we may have more sales denominated in foreign currencies in 2018; our intention to increase our investment in the development of sales in the international, military and law enforcement market; our plans to expand our sales force; that cloud and mobile technologies are fundamentally changing

the police environment; our plan to invest in web activities and law enforcement trade shows in 2018; our intention to not pay dividends; that increases in marketing and sales activities will lead to an increase in sales; our belief that the video evidence capture and management market will grow significantly in the near future and the reasons for that belief; our intention to continue to pursue the personal security market; our intention to grow direct sales; the sufficiency of our facilities and our strategy to expand manufacturing capacity if needed; that we may lease facilities from parties that specialize in handling and manufacturing of firearm materials; that we expect to continue to depend on sales of our X2 and X26P CEW devices; our intention to apply for and prosecute our patents; that selling, general and administrative expense will increase in 2018; that research and development expenses will increase in 2018; the timing of the resolution of uncertain tax positions; our intention to hold investments to maturity; the effect of interest rate changes on our annual interest income; that we may engage in currency hedging activities; our intentions concerning, and the effectiveness of, our ongoing marketing efforts through web activities, trial programs, tech summits and law enforcement trade shows; the benefits of our CEW products compared to other lethal and less-lethal alternatives; the benefits of our Software and Sensors products compared to our competitors'; our belief that customers will honor multi-year contracts despite the existence of appropriations, termination for convenience. or similar clauses; our belief

that customers will renew their Evidence.com service subscriptions at the end of the contractual term; our insulation from competition and our competitive advantage in the weapons business; estimates regarding the size of our target markets and our competitive position in existing markets; the availability of alternative materials and components suppliers; the benefits of the continued automation of our production process; the sufficiency and availability of our liquid assets and capital resources; our financing and growth strategies, including: our decision not to pay dividends, potential joint ventures, mergers and acquisitions, stock repurchases and hedging activities; the safety of our products; our litigation strategy, including the outcome of legal proceedings in which we are currently involved; expectations regarding increased operating leverage; our ability to maintain secure and consistent customer data access and storage, includingexpectations of the useprobability of third-party data storage providers, andachievement of performance goals in connection with the CEO Performance Award; the impact of a loss of customer data, a breach of security or an extended outage; our ability to attract and retain the qualified professional services necessary to implement and maintain our business, both through employment and through other partnership arrangements; the effect of current and future tax strategies; the fluctuations in our effective tax rate; the impact of the U.S. Tax Cuts and Jobs Act (the “Tax Act”); the impact of recently adopted and future accounting standards; the impact of Accounting Standards Update (“ASU”) 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”) and ASC Subtopic 340-40, Other Assets and Deferred Costs - Contracts with Customers ("ASC 340-40") (collectively, “Topic 606”); and the ultimate resolution of financial statement items requiring critical accounting estimates, including those set forth in our Form 10-K for the year ended December 31, 2017.

Overview
Axon Enterprise, Inc.’s (the “Company” or “Axon” or “we” or “our”) core mission is to protect life, to protect truth and to reduce social conflict through developing and selling technologies that make communities safer. We are highly focused on disrupting existing categories and bringing public safety technology into the 21st century. We are the market leader in the development, manufacture and sale of conducted electrical weapons (“CEWs”) and other electronic weapons designed for use in law enforcement, military, corrections, private security and personal defense. We have also developed a fully integrated hardware and cloud-based software solution to provide our law enforcement customers the capabilities to capture, securely store, manage, share and analyze video and other digital evidence.
Our strategic growth areas are TASER weapons, Sensors hardware including on-officer body cameras and Axon Fleet in-car video systems, our Evidence.com connected software network, and Axon Records and Computer Aided Dispatch software. These value streams exist within an estimated $7.7 billion total addressable market, comprising TASER weapons ($1.5 billion), hardware sensors ($0.7 billion), and cloud-based public safety software ($5.5 billion.)
The $1.5 billion TASER Weapons total addressable market estimates 660,000 domestic patrol officers and 1,800,000 immediately addressable international patrol officers at an average revenue of $600 per year ($50 per user per month) including the weapon, cartridges, batteries, and enhanced services currently under development.
The $5.5 billion cloud-based public safety software total addressable market estimates 1,000,000 domestic patrol officers with annual digital evidence management revenue of $750 per year ($63 per user per month, which reflects Axon current list pricing), 1,000,000 domestic police officers with annual advanced intelligence and analytics revenue of $350 per year ($29 per user per month based on estimated market pricing), 400,000 domestic patrol vehicle license evidence management annual revenue of $925 ($77 per user per month, which reflects 60% allocation to software of Axon's $129 per month listed pricing), 2,100,000 public safety employees with annual records management & computer dispatch revenue of $1,500 per year ($125 per user per month based on estimated market pricing and analysis of current existing RMSrecords management systems (“RMS”) and CADcomputer aided dispatch (“CAD”) contracts), and 1,000,000 immediately addressable international officers with annual revenue of $750 per year ($63 per user per month based on Axon's current listed software pricing).

The hardware sensors $0.7 billion total addressable market estimates 660,000 domestic patrol officers and 1,000,000 immediately addressable international officers with annual camera and dock revenue of $200 per year ($16-$19 per user per month based on Axon's listed pricing), 400,000 domestic patrol vehicles with annual hardware revenue of $600 per year ($50 per user per month based on 40% of allocation to hardware of Axon's $129 per month listed pricing), and 660,000 domestic patrol officers with annual revenue of $120 per year ($10 per user per month based on Axon's listed pricing) for the Signal Sidearm product.
Our long-term financial strategy includes shifting our revenue, contracts, and cash flows from book-and-ship hardware transactions to multi-element, multi-year, subscription or recurring payment plans. During the three months ended March 31,June 30, 2018, 55%52% of our consolidated revenues were recognized from contracts with multiple performance obligations, while within our TASER Weapons and Software and Sensors segments, approximately 32%25% and 94%96%, respectively, were recognized from contracts containing multiple performance obligations. Recurring revenue refers to those contracts with multiple performance obligations, which we break out in more detail in the Critical Accounting Estimates.
As of March 31,June 30, 2018, we have booked 226,900305,200 cloud-based software licenses on the Axon Cloud network and we have annual recurring run-rate Axon Cloud and Sensors and Other revenue of $83.3$92.7 million. Annual recurring run-rate revenue is calculated by annualizing our most previous reported month's recurring license, integration, warranty and storage revenue. Our long-term goal is to transition a majority of our customers to recurring payment plan or subscription contracts.

We are also highly focused on driving operating leverage and profitability within our two reportedreportable segments, TASER Weapons and Software &and Sensors.
Results of Operations

Three Months Ended March 31,June 30, 2018 Compared to the Three Months Ended March 31,June 30, 2017
The following table presents data from our statements of operations as well as the percentage relationship to total net sales of items included in our statements of operations (dollars in thousands):
Three Months Ended March 31,Three Months Ended June 30,
2018 
2017 (1)
2018 
2017 (1)
Net sales from products$80,974
 80.0% $67,491
 85.2%$76,721
 77.3 % $66,875
 84.0%
Net sales from services20,241
 20.0
 11,751
 14.8
22,505
 22.7
 12,768
 16.0
Net sales101,215
 100.0
 79,242
 100.0
99,226
 100.0
 79,643
 100.0
Cost of product sales32,434
 32.0
 27,072
 34.2
31,087
 31.3
 30,172
 37.9
Cost of service sales4,320
 4.3
 3,500
 4.4
4,996
 5.0
 3,834
 4.8
Cost of sales36,754
 36.3
 30,572
 38.6
36,083
 36.4
 34,006
 42.7
Gross margin64,461
 63.7
 48,670
 61.4
63,143
 63.6
 45,637
 57.3
Operating expenses:              
Sales, general and administrative35,759
 35.3
 30,857
 38.9
39,343
 39.6
 31,824
 40.0
Research and development15,119
 14.9
 12,463
 15.7
18,501
 18.6
 12,989
 16.3
Total operating expenses50,878
 50.3
 43,320
 54.7
57,844
 58.3
 44,813
 56.3
Income from operations13,583
 13.4
 5,350
 6.8
5,299
 5.3
 824
 1.0
Interest and other income, net1,263
 1.2
 206
 0.3
Interest and other income (expense), net(295) (0.3) 1,684
 2.1
Income before provision for income taxes14,846
 14.7
 5,556
 7.0
5,004
 5.0
 2,508
 3.1
Provision for income taxes1,920
 1.9
 976
 1.2
Provision for (benefit from) income taxes(3,481) (3.5) 232
 0.3
Net income$12,926
 12.8% $4,580
 5.8%$8,485
 8.6 % $2,276
 2.9%
(1) Amounts for the three months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.

The following table presents the Company's revenues disaggregated by geography (in thousands):
Three Months Ended March 31,Three Months Ended June 30,
2018 
2017 (1)
2018 
2017 (1)
United States$77,950
 77% $64,752
 82%$78,731
 79% $66,200
 83%
Other countries23,265
 23
 14,490
 18
20,495
 21
 13,443
 17
Total$101,215
 100% $79,242
 100%$99,226
 100% $79,643
 100%
(1) Amounts for the three months ended March 31, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Net Sales
Net sales by product line were as follows (dollars in thousands):
 Three Months Ended March 31, 
Dollar
Change
 
Percent
Change
 2018 
2017 (1)
  
TASER Weapons segment:           
TASER X26P$16,474
 16.3% $15,668
 19.8% $806
 5.1 %
TASER X223,932
 23.6
 18,986
 24.0
 4,946
 26.1
TASER Pulse and Bolt1,346
 1.3
 1,022
 1.3
 324
 31.7
Single cartridges16,114
 15.9
 16,664
 21.0
 (550) (3.3)
Extended warranties3,706
 3.7
 2,843
 3.6
 863
 30.4
Other1,952
 1.9
 2,488
 3.1
 (536) (21.5)
Total TASER Weapons segment63,524
 62.8
 57,671
 72.8
 5,853
 10.1
Software and Sensors segment:        
 

Axon Body5,558
 5.5
 3,446
 4.3
 2,112
 61.3
Axon Flex1,669
 1.6
 1,475
 1.9
 194
 13.2
Axon Fleet2,116
 2.1
 
 
 2,116
 *
Axon Dock3,035
 3.0
 1,987
 2.5
 1,048
 52.7
Evidence.com20,241
 20.0
 11,742
 14.8
 8,499
 72.4
TASER Cam1,360
 1.3
 719
 0.9
 641
 89.2
Extended warranties2,490
 2.5
 1,418
 1.8
 1,072
 75.6
Other1,222
 1.2
 784
 1.0
 438
 55.9
Total Software and Sensors segment37,691
 37.2
 21,571
 27.2
 16,120
 74.7
Total net sales$101,215
 100.0% $79,242
 100.0% $21,973
 27.7
* Not meaningful
(1) Amounts for the three months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.

Net Sales
Net sales by product line were as follows (dollars in thousands):
 Three Months Ended June 30, 
Dollar
Change
 
Percent
Change
 2018 
2017 (1)
  
TASER Weapons segment:           
TASER X26P$18,146
 18.3% $16,235
 20.4% $1,911
 11.8 %
TASER X218,362
 18.5
 16,052
 20.2
 2,310
 14.4
TASER Pulse and Bolt1,101
 1.1
 801
 1.0
 300
 37.5
Single cartridges17,243
 17.4
 14,867
 18.7
 2,376
 16.0
Extended warranties3,738
 3.8
 2,991
 3.8
 747
 25.0
Other2,034
 2.0
 2,070
 2.6
 (36) (1.7)
Total TASER Weapons segment60,624
 61.1
 53,016
 66.6
 7,608
 14.4
Software and Sensors segment:        
 

Axon Body4,780
 4.8
 3,752
 4.7
 1,028
 27.4
Axon Flex1,535
 1.5
 3,851
 4.8
 (2,316) (60.1)
Axon Fleet2,715
 2.7
 
 
 2,715
 *
Axon Dock2,119
 2.1
 2,783
 3.5
 (664) (23.9)
Evidence.com and cloud services20,357
 20.5
 12,756
 16.0
 7,601
 59.6
TASER Cam762
 0.8
 766
 1.0
 (4) (0.5)
Extended warranties2,870
 2.9
 1,619
 2.0
 1,251
 77.3
Other3,464
 3.5
 1,100
 1.4
 2,364
 214.9
Total Software and Sensors segment38,602
 38.9
 26,627
 33.4
 11,975
 45.0
Total net sales$99,226
 100.0% $79,643
 100.0% $19,583
 24.6
* Not meaningful
(1) Amounts for the three months ended June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Net unit sales for TASER Weapons handles and other products and Software and Sensors segment products were as follows:
Three Months Ended March 31, 
Unit
Change
 
Percent
Change
Three Months Ended June 30, 
Unit
Change
 
Percent
Change
2018 2017 2018 2017 
TASER X26P15,720
 15,361
 359
 2.3 %18,664
 18,198
 466
 2.6 %
TASER X220,501
 17,137
 3,364
 19.6
15,537
 15,390
 147
 1.0
TASER Pulse and Bolt4,000
 3,572
 428
 12.0
3,158
 2,347
 811
 34.6
Cartridges532,952
 595,986
 (63,034) (10.6)611,136
 579,282
 31,854
 5.5
Axon Body21,769
 20,313
 1,456
 7.2
20,407
 26,882
 (6,475) (24.1)
Axon Flex3,693
 3,101
 592
 19.1
3,281
 9,373
 (6,092) (65.0)
Axon Fleet1,857
 
 1,857
 *
2,079
 
 2,079
 *
Axon Dock5,844
 4,875
 969
 19.9
4,534
 8,269
 (3,735) (45.2)
TASER Cam3,528
 1,339
 2,189
 163.5
1,491
 1,336
 155
 11.6
* Not meaningful
Net sales were $101.2$99.2 million and $79.2$79.6 million for the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $22.0$19.6 million or 27.7%24.6%. International revenues were $23.3$20.5 million and $14.5$13.4 million for the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $8.8$7.1 million or 60.6%52.5%.
Net sales for the TASER Weapons segment were $63.5$60.6 million and $57.7$53.0 million for the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $5.9$7.6 million or 10.1%14.4%. The Company increased sales of its TASER X26P and X2 Smart

Weapons by $5.8$4.2 million to $40.4$36.5 million during the quarter ended March 31,June 30, 2018 as compared to $34.7$32.3 million during the same period in 2017, which was primarily attributable to increased sales under the Officer Safety Plan and TASER 60 paymentpurchase programs.
Net sales for the Software and Sensors segment were $37.7$38.6 million and $21.6$26.6 million for the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $16.1$12.0 million, or 74.7%45.0%. The overall increaseCompany continued to add users to its network during the three months ended June 30, 2018 resulting in the Softwaresteady product revenues as well as increased aggregate users which resulted in increased Evidence.com and Sensors segment was driven by continued adoptionextended warranty revenues of on-officer cameras$7.6 million and related technologies, including$1.3 million, respectively. Additionally, the Company's Evidence.com digital evidence management software suite. Revenue related to the Company's Axon Body, Axon Flex, and Axon Dock increased $3.4 million in the first quarter of 2018 compared to the same period in 2017 due to the continued adoption by new agencies of the Company's technologies. The Company recorded net salesrevenue of $2.1$2.7 million related to Axon Fleet, in the first quarterCompany's in-car camera system that was released towards the end of 2017, during the three months ended June 30, 2018 with no amounts recorded during the same period in 2017. Evidence.com revenues for the three months ended March 31, 2018 increased $8.5 million to $20.2 million as compared to the same period in 2017. This increase was primarily driven by the continued increase in active users on the Company's Evidence.com platform.
To gain more immediate feedback regarding activity for Axon cameraSoftware and Sensors products and Evidence.com services, we also review bookings for these products. We consider bookings to be a statistical measure defined as the sales price of orders (not invoiced sales), including contractual optional periods we expect to be exercised, net of cancellations, placed in the relevant fiscal period, regardless of when the products or services ultimately will be provided. Most bookings will be invoiced in subsequent periods. Due to municipal government funding rules, in some cases certain of the future period amounts included in bookings are subject to budget appropriation or other contract cancellation clauses. Although the Company has entered into contracts for the delivery of products and services in the future and anticipates the contracts will be fulfilled, if agencies do not exercise contractual options, do not appropriate funds in future year budgets, or do enact a cancellation clause, revenue associated with these bookings may not ultimately be recognized, resulting in a future reduction to bookings. Bookings related to the Company's Software and Sensors segment, net of cancellations, were $97.5$88.9 million and $60.1$81.9 million during the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $37.4$6.9 million, or 62.3%8.4%.

The chart below illustrates the Company's Software and Sensors segment quarterly bookings for each of the previous six fiscal quarters (in thousands):
tasrq12016_chart-50904a06.jpgchart-789020516a4d55a4899.jpg
Cost of Product and Service Sales
Cost of product and service sales was $36.8$36.1 million and $30.6$34.0 million for the three months ended March 31,June 30, 2018 and 2017, respectively, an increase of $6.2$2.1 million, or 20.2%6.1%. As a percentage of net sales, cost of product and service sales decreased to 36.3%36.4% for the three months ended March 31,June 30, 2018 compared to 38.6%42.7% during the same period in 2017. The Company noted no significant changes in variable manufacturing costs during the three months ended March 31,June 30, 2018 as compared to the same period in 2017.
Within the TASER Weapons segment, cost of product sales increased to $20.5$17.7 million for the three months ended March 31,June 30, 2018 from $18.0 million for the same period in 2017 as a result of higher sales volumes, and increased as a percentage of sales to 32.3% from 31.3%, respectively.
Within the Software and Sensors segment, cost of product and service sales increased to $16.2 million for the three months ended March 31, 2018 from $12.5$16.1 million for the same period in 2017 as a result of higher sales volumes, and decreased as a percentage of sales to 43.0%29.2% from 30.3%, respectively.
Within the Software and Sensors segment, cost of product and service sales increased to $18.4 million for the three months ended March 31,June 30, 2018 from 58.2%$17.9 million for the same period in 2017 as a result of higher sales volumes, and decreased as a percentage of sales to 47.7% for the three months ended June 30, 2018 from 67.3% for the same period in 2017.

Gross Margin
Gross margin increased $15.8$17.5 million to $64.5$63.1 million for the three months ended March 31,June 30, 2018 compared to $48.7$45.6 million for the same period in 2017. As a percentage of net sales, gross margin was 63.7%increased to 63.6% for the three months ended March 31,June 30, 2018 compared to 61.4%57.3% for the same period in 2017, which was primarily attributable to increased leveraging of fixed costs related to cloud storage.
As a percentage of net sales, gross margin for the TASER Weapons segment decreasedincreased slightly to 67.7%70.8% from 68.7%69.7% for the three months ended March 31,June 30, 2018 and 2017, respectively. As a percentage of net sales, gross margin for the Software and Sensors segment was 57.0%52.3% and 41.8%32.7% for the three months ended March 31,June 30, 2018 and 2017, respectively. Within the Software and Sensors segment, hardware gross margin was 31.9%16.7% for the three months ended March 31,June 30, 2018 and 7.9%compared to a negative 1.7% for the same period in 2017, while the service margins were 78.7%77.8% and 70.2%70.0% during those same periods, respectively. The increase in hardware gross margins during the three months ended March 31,June 30, 2018 was primarily attributable to accounting adjustmentschanges required under the new revenue accounting standard. Previously, the level of discounting in the Company's contracts resulted in a portion of the contractual consideration allocated to the delivered hardware to be recognized as revenue ratably over the Evidence.com subscription term, while the full cost of the product was recognized when the hardware was delivered to the customer resulting in lower gross margins initially. Under the new revenue accounting standard, generally the full amount of revenue related to the delivered hardware is recognized in the period in which it is delivered resulting in better matching of the revenues and related costs. The increase in service margins during the three months ended March 31,June 30, 2018 as compared to the same period in 2017 was attributable to the reduction of non-recurring expenses related to the Company's data migration to its new cloud-storage provider that was completed in 2018, as well as increased leveraging of fixed costs related to cloud-storage.

Sales, General and Administrative Expenses
Sales, general and administrative (“SG&A”)&A expenses were comprised as follows (dollars in thousands):
Three Months Ended March 31, Dollar
Change
 Percent
Change
Three Months Ended June 30, Dollar
Change
 Percent
Change
2018 
2017 (1)
 2018 
2017 (1)
 
Total sales, general and administrative expenses$35,759
 $30,857
 $4,902
 15.9$39,343
 $31,824
 $7,519
 23.6
Sales, general, and administrative as a percentage of net sales35.3% 38.9%   39.6% 40.0%   
(1) Amounts related to commissions expense for the three months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Within the TASER Weapons segment, SG&A expenses increased $4.0$4.4 million, or 23.5%25.3%, to $21.3$21.9 million during the three months ended March 31,June 30, 2018 as compared to $17.2$17.5 million for the three months ended March 31,June 30, 2017. Of the increase, $2.1$2.0 million related to higher salaries, benefits, bonus and bonusstock-based compensation related primarily to sales and marketing, professional staff and general support staff, as well as increased professional and consulting costs of $1.5$1.4 million primarily related to its implementation efforts related to the adoption of Topic 606.increased legal fees.
Within the Software and Sensors segment, SG&A expenses increased $0.9$3.1 million, or 6.3%21.6%, to $14.5$17.4 million during the three months ended March 31,June 30, 2018 as compared to $13.6$14.3 million for the same period in 2017. The increase was primarily attributable to increased costs related to salaries, benefits and bonus, inclusive of stock-based compensation and increased costs related to sales and marketing.
Research and Development Expenses
R&D expenses were comprised as follows (dollars in thousands):
Three Months Ended March 31, Dollar
Change
 Percent
Change
Three Months Ended June 30, Dollar
Change
 Percent
Change
2018 2017 2018 2017 
Total research and development expenses$15,119
 $12,463
 $2,656
 21.3$18,501
 $12,989
 $5,512
 42.4
Research and development as a percentage of net sales14.9% 15.7%   18.6% 16.3%   
The Company's Software and Sensors segment was responsible for 72%61% of the overall increase in R&D expense. Within the TASER Weapons segment, R&D expense increased $0.7$2.2 million, of which $1.7 million was almost entirely comprised ofrelated to increased salaries, benefits and bonus as the Company continues to invest in personnel allocated to the development of new CEW related technologies. Of the $1.9The $3.4 million increase in R&D expense for the Software and Sensors segment $3.0primarily consisted of a $3.7 million increase

related to salaries and benefits, inclusive of stock-based compensation, which was partially offset by $1.0$0.5 million of lower expenses related to external professional and consulting fees. The Company expects R&D expense to continue to increase in absolute dollars as it invests in the deployment of new CEW technologies and focuses on growing the Software and Sensors segment as it adds headcount and additional resources to develop new products and services to further advance its scalable cloud-connected device platform. The Company believes that these investments will result in an increase in our subscription revenue base, which over time will result in revenue increasing faster than the increase in selling, general and administrative expenses and research and development costs, as we reach economies of scale. With this increased operating leverage, the Company expects its operating margins to increase in the long term.
Interest and Other Income (expense), Net
Interest and other income (expense), net was $1.3an expense of $0.3 million for the three months ended March 31,June 30, 2018 compared to $0.2income of $1.7 million for the same period in 2017. During the three months ended March 31,June 30, 2018, interest and other income amounts consisted primarily of foreign currency transaction gains of $0.9 million as well as interest income related to the Company's sales under hardware installment sale plans and short-term investmentsinvestment and interest income totaling $0.4$0.9 million which was more than offset by losses on foreign currency transaction adjustments of $1.2 million. During the three months ended March 31,June 30, 2017, interest and other income included investment and interest income of $0.4 million was offset by $0.1and $1.3 million of lossesgains on foreign currency transaction adjustments.

Provision for Income Taxes
The provision for income taxes was $1.9a benefit of $3.5 million for the three months ended March 31,June 30, 2018, which was an effective tax rate of 12.9%(69.6)%. Our estimated full year effective income tax rate for 2018, before discrete period adjustments, was 23.1%22.8%, which is more than the federal statutory rate primarily due to state taxes and non-deductible expenses for items such as meals and entertainment, executive compensation limitation under IRC Section 162(m), lobbying fees, an income inclusion from GILTI, offset by a reduction for foreign-derived intangible income ("FDII"). This was partially offset by R&D tax credit deductions. The effective tax rate was favorably impacted by a $1.6$4.6 million discrete tax benefit primarily associated with windfalls related to stock-based compensation for RSUs that vested or stock options that were exercised during the three months ended March 31,June 30, 2018. Of this amount $3.4 million related to stock options exercised by the Company's CEO in connection with the Company's follow-on offering.
Net Income
Our income increased by $8.3$6.2 million to $12.9$8.5 million for the three months ended March 31,June 30, 2018 compared to $4.6$2.3 million for the same period in 2017. Net income per basic and diluted share was $0.24$0.15 for the three months ended March 31,June 30, 2018 compared to $0.09$0.04 per basic and diluted share for the same period in 2017.

Three Months Ended March 31,June 30, 2018 Compared to the Three Months Ended DecemberMarch 31, 20172018
Net Sales
Net sales by product line were as follows (dollars in thousands):
Three Months Ended March 31, 2018 
Three Months Ended
December 31, 2017
 (1)
 Dollar
Change
 Percent
Change
Three Months Ended June 30, 2018 Three Months Ended
March 31, 2018
 Dollar
Change
 Percent
Change
TASER Weapons segment:                      
TASER X26P$16,474
 16.3% $19,259
 20.3% $(2,785) (14.5)%$18,146
 18.3% $16,474
 16.3% $1,672
 10.1 %
TASER X223,932
 23.6
 23,662
 25.0
 270
 1.1
18,362
 18.5
 23,932
 23.6
 (5,570) (23.3)
TASER Pulse and Bolt1,346
 1.3
 1,448
 1.5
 (102) (7.0)1,101
 1.1
 1,346
 1.3
 (245) (18.2)
Single cartridges16,114
 15.9
 14,198
 15.0
 1,916
 13.5
17,243
 17.4
 16,114
 15.9
 1,129
 7.0
Extended warranties3,706
 3.7
 3,506
 3.7
 200
 5.7
3,738
 3.8
 3,706
 3.7
 32
 0.9
Other1,952
 1.9
 2,336
 2.5
 (384) (16.4)2,034
 2.0
 1,952
 1.9
 82
 4.2
Total TASER Weapons segment63,524
 62.8
 64,409
 68.0
 (885) (1.4)60,624
 61.1
 63,524
 62.8
 (2,900) (4.6)
Software and Sensors segment:                      
Axon Body5,558
 5.5
 3,459
 3.7
 2,099
 60.7
4,780
 4.8
 5,558
 5.5
 (778) (14.0)
Axon Flex1,669
 1.6
 2,194
 2.3
 (525) (23.9)1,535
 1.5
 1,669
 1.6
 (134) (8.0)
Axon Fleet2,116
 2.1
 1,661
 1.8
 455
 27.4
2,715
 2.4
 2,116
 2.1
 599
 28.3
Axon Dock3,035
 3.0
 2,327
 2.5
 708
 30.4
2,119
 2.1
 3,035
 3.0
 (916) (30.2)
Evidence.com20,241
 20.0
 17,143
 18.1
 3,098
 18.1
Evidence.com and cloud services20,357
 20.5
 20,241
 20.0
 116
 0.6
TASER Cam1,360
 1.3
 951
 1.0
 409
 43.0
762
 0.8
 1,360
 1.3
 (598) (44.0)
Extended warranties2,490
 2.5
 2,128
 2.2
 362
 17.0
2,870
 2.9
 2,490
 2.5
 380
 15.3
Other1,222
 1.2
 379
 0.4
 843
 222.4
3,464
 3.5
 1,222
 1.2
 2,242
 183.5
Total Software and Sensors segment37,691
 37.2
 30,242
 32.0
 7,449
 24.6
38,602
 38.9
 37,691
 37.2
 911
 2.4
Total net sales$101,215
 100.0% $94,651
 100.0% $6,564
 6.9 %$99,226
 100.0% $101,215
 100.0% $(1,989) (2.0)%
Net sales within the TASER Weapons segment decreased during the three months ended June 30, 2018 at $60.6 million as compared to $63.5 million for the three months ended March 31, 2018. The decrease is primarily attributable to the timing of customer orders and deployments.
Within the Software and Sensors segment, net sales were $38.6 million for the three months ended June 30, 2018 as compared to $37.7 million for the three months ended March 31, 2018. The Company continued to add users to its network during the three months ended June 30, 2018 resulting in steady service revenues but offset by decreased hardware revenues.
Net unit sales for TASER Weapons handles and other products and Software and Sensors segment products were as follows:
 Three Months Ended June 30, 2018 Three Months Ended
March 31, 2018
 Unit
Change
 Percent
Change
TASER X26P18,664
 15,720
 2,944
 18.7 %
TASER X215,537
 20,501
 (4,964) (24.2)
TASER Pulse and Bolt3,158
 4,000
 (842) (21.1)
Cartridges611,136
 532,952
 78,184
 14.7
Axon Body20,407
 21,769
 (1,362) (6.3)
Axon Flex3,281
 3,693
 (412) (11.2)
Axon Fleet2,079
 1,857
 222
 12.0
Axon Dock4,534
 5,844
 (1,310) (22.4)
TASER Cam1,491
 3,528
 (2,037) (57.7)

Six Months Ended June 30, 2018 Compared to the Six Months Ended June 30, 2017
The following table presents data from our statements of operations as well as the percentage relationship to total net sales of items included in our statements of operations (dollars in thousands):
 Six Months Ended June 30,
 2018 
2017 (1)
Net sales from products$157,695
 78.7 % $134,366
 84.6%
Net sales from services42,746
 21.3
 24,519
 15.4
Net sales200,441
 100.0
 158,885
 100.0
Cost of product sales63,521
 31.7
 57,244
 36.0
Cost of service sales9,316
 4.6
 7,334
 4.6
Cost of sales72,837
 36.3
 64,578
 40.6
Gross margin127,604
 63.7
 94,307
 59.4
Operating expenses:��      
Sales, general and administrative75,102
 37.5
 62,681
 39.5
Research and development33,620
 16.8
 25,452
 16.0
Total operating expenses108,722
 54.2
 88,133
 55.5
Income from operations18,882
 9.4
 6,174
 3.9
Interest and other income968
 0.5
 1,890
 1.2
Income before provision for income taxes19,850
 9.9
 8,064
 5.1
Provision for (benefit from) income taxes(1,561) (0.8) 1,208
 0.8
Net income$21,411
 10.7 % $6,856
 4.3%
(1) Amounts for the threesix months ended December 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
The following table presents the Company's revenues disaggregated by geography (in thousands):
 Six Months Ended June 30,
 2018 
2017 (1)
United States$156,681
 78% $130,952
 82%
Other countries43,760
 22
 27,933
 18
Total$200,441
 100% $158,885
 100%
(1) Amounts for the six months ended June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.

Net Sales
Net sales by product line were as follows (dollars in thousands):
 Six Months Ended June 30, 
Dollar
Change
 
Percent
Change
 2018 
2017 (1)
  
TASER Weapons segment:           
TASER X26P$34,620
 17.3% $31,903
 20.1% $2,717
 8.5 %
TASER X242,294
 21.1
 35,038
 22.1
 7,256
 20.7
TASER Pulse and Bolt2,447
 1.2
 1,823
 1.1
 624
 34.2
Single cartridges33,357
 16.6
 31,531
 19.8
 1,826
 5.8
Extended warranties7,444
 3.7
 5,834
 3.7
 1,610
 27.6
Other3,986
 2.0
 4,558
 2.9
 (572) (12.5)
Total TASER Weapons segment124,148
 61.9
 110,687
 69.7
 13,461
 12.2
Software and Sensors segment:           
Axon Body10,338
 5.2
 7,198
 4.5
 3,140
 43.6
Axon Flex3,204
 1.6
 5,326
 3.4
 (2,122) (39.8)
Axon Fleet4,831
 2.4
 
 
 4,831
 *
Axon Dock5,154
 2.6
 4,770
 3.0
 384
 8.1
Evidence.com and cloud services40,598
 20.3
 24,498
 15.4
 16,100
 65.7
TASER Cam2,122
 1.1
 1,485
 0.9
 637
 42.9
Extended warranties5,360
 2.7
 3,037
 1.9
 2,323
 76.5
Other4,686
 2.3
 1,884
 1.2
 2,802
 148.7
Total Software and Sensors segment76,293
 38.1
 48,198
 30.3
 28,095
 58.3
Total net sales$200,441
 100.0% $158,885
 100.0% $41,556
 26.2
* Not meaningful
(1) Amounts for the six months ended June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Net sales within the TASER Weapons segment decreased during the three months ended March 31, 2018 at $63.5 million as compared to $64.4 million for the three months ended December 31, 2017.
Within the Software and Sensors segment, net sales were $37.7 million for the three months ended March 31, 2018 as compared to $30.2 million for the three months ended December 31, 2017. The increase was primarily due to increased Evidence.com revenues driven by the continued increase in total users, as well as increases in sales of the Company's camera and related hardware products.

Net unit sales for TASER Weapons handles and other products and Software and Sensors segment products were as follows:
Six Months Ended June 30, 
Unit
Change
 
Percent
Change
Three Months Ended March 31, 2018 Three Months Ended
December 31, 2017
 Unit
Change
 Percent
Change
2018 2017 
TASER X26P15,720
 23,350
 (7,630) (32.7)%34,384
 33,559
 825
 2.5 %
TASER X220,501
 21,683
 (1,182) (5.5)36,038
 32,527
 3,511
 10.8
TASER Pulse and Bolt4,000
 3,641
 359
 9.9
7,158
 5,919
 1,239
 20.9
Cartridges532,952
 590,126
 (57,174) (9.7)1,144,088
 1,175,268
 (31,180) (2.7)
Axon Body21,769
 13,944
 7,825
 56.1
42,176
 47,195
 (5,019) (10.6)
Axon Flex3,693
 5,253
 (1,560) (29.7)6,974
 12,474
 (5,500) (44.1)
Axon Fleet1,857
 2,197
 (340) (15.5)3,936
 
 3,936
 *
Axon Dock5,844
 3,908
 1,936
 49.5
10,378
 13,144
 (2,766) (21.0)
TASER Cam3,528
 2,245
 1,283
 57.1
5,019
 2,675
 2,344
 87.6
* Not meaningful
Net sales were $200.4 million and $158.9 million for the six months ended June 30, 2018 and 2017, respectively, an increase of $41.6 million or 26.2%. International revenues were $43.8 million and $27.9 million for the six months ended June 30, 2018 and 2017, respectively, an increase of $15.8 million or 56.7%.
Net sales for the TASER Weapons segment were $124.1 million and $110.7 million for the six months ended June 30, 2018 and 2017, respectively, an increase of $13.5 million or 12.2%. The Company increased sales of its TASER X26P and X2 Smart Weapons by $10.0 million to $76.9 million during the six months ended June 30, 2018 as compared to $66.9 million during the

same period in 2017, which was primarily attributable to increased sales under the Officer Safety Plan and TASER 60 payment programs.
Net sales for the Software and Sensors segment were $76.3 million and $48.2 million for the six months ended June 30, 2018 and 2017, respectively, an increase of $28.1 million, or 58.3%. The overall increase in the Software and Sensors segment was driven by continued adoption of on-officer cameras and related technologies, including the Company's Evidence.com digital evidence management software suite. The Company recorded net sales of $4.8 million related to Axon Fleet in the six months ended June 30, 2018, with no amounts recorded during the same period in 2017. Evidence.com revenues for the six months ended June 30, 2018 increased $16.1 million to $40.6 million as compared to the same period in 2017. This increase was primarily driven by the continued increase in active users on the Company's Evidence.com platform.

Cost of Product and Service Sales
Cost of product and service sales was $72.8 million and $64.6 million for the six months ended June 30, 2018 and 2017, respectively, an increase of $8.3 million, or 12.8%. As a percentage of net sales, cost of product and service sales decreased to 36.3% for the six months ended June 30, 2018 compared to 40.6% during the same period in 2017. The Company noted no significant changes in variable manufacturing costs during the six months ended June 30, 2018 as compared to the same period in 2017.
Within the TASER Weapons segment, cost of product sales increased to $38.2 million for the six months ended June 30, 2018 from $34.1 million for the same period in 2017 as a result of higher sales volumes, and was consistent as a percentage of sales at 30.8%.
Within the Software and Sensors segment, cost of product and service sales increased to $34.6 million for the six months ended June 30, 2018 from $30.5 million for the same period in 2017 as a result of higher sales volumes, and decreased as a percentage of sales to 45.4% for the six months ended June 30, 2018 from 63.2% for the same period in 2017.
Gross Margin
Gross margin increased $33.3 million to $127.6 million for the six months ended June 30, 2018 compared to $94.3 million for the same period in 2017. As a percentage of net sales, gross margin increased to 63.7% for the six months ended June 30, 2018 compared to 59.4% for the same period in 2017, which was primarily attributable to increased leveraging of fixed costs related to cloud storage.
As a percentage of net sales, gross margin for the TASER Weapons segment was 69.2% for each of the six months ended June 30, 2018 and 2017. As a percentage of net sales, gross margin for the Software and Sensors segment was 54.6% and 36.8% for the six months ended June 30, 2018 and 2017, respectively. Within the Software and Sensors segment, hardware gross margin was 24.6% for the six months ended June 30, 2018 and 2.3% for the same period in 2017, while the service margins were 78.2% and 70.1% during those same periods, respectively. The increase in hardware gross margins during the six months ended June 30, 2018 was primarily attributable to accounting changes required under the new revenue accounting standard. Previously, the level of discounting in the Company's contracts resulted in a portion of the contractual consideration allocated to the delivered hardware to be recognized as revenue ratably over the Evidence.com subscription term, while the full cost of the product was recognized when the hardware was delivered to the customer resulting in lower gross margins initially. Under the new revenue accounting standard, generally the full amount of revenue related to the delivered hardware is recognized in the period in which it is delivered resulting in better matching of the revenues and related costs. The increase in service margins during the six months ended June 30, 2018 as compared to the same period in 2017 was attributable to the reduction of non-recurring expenses related to the Company's data migration to its new cloud-storage provider that was completed in 2018, as well as increased leveraging of fixed costs related to cloud-storage.

Sales, General and Administrative Expenses
Sales, general and administrative (“SG&A”) expenses were comprised as follows (dollars in thousands):
 Six Months Ended June 30, Dollar
Change
 Percent
Change
 2018 
2017 (1)
  
Total sales, general and administrative expenses$75,102
 $62,681
 $12,421
 19.8
Sales, general, and administrative as a percentage of net sales37.5% 39.5%    
(1) Amounts related to commissions expense for the six months ended June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Within the TASER Weapons segment, SG&A expense increased $8.5 million, or 24.4%, to $43.2 million during the six months ended June 30, 2018 as compared to $34.7 million for the six months ended June 30, 2017. Of the increase, $4.1 million related to higher salaries, benefits, bonus and stock-based compensation related primarily to sales and marketing, professional staff and general support staff, as well as increased professional and consulting of $3.0 million primarily related to increased legal fees.
Within the Software and Sensors segment, SG&A expense increased $3.9 million, or 14.1%, to $31.9 million during the six months ended June 30, 2018 as compared to $28.0 million for the six months ended June 30, 2017. The increase was primarily attributable to increased costs related to sales and marketing.
Research and Development Expenses
R&D expenses were comprised as follows (dollars in thousands):
 Six Months Ended June 30, Dollar
Change
 Percent
Change
 2018 2017  
Total research and development expenses$33,620
 $25,452
 $8,168
 32.1
Research and development as a percentage of net sales16.8% 16.0%    
The Company's Software and Sensors segment was responsible for 64.4% of the overall increase in R&D expense. Within the TASER Weapons segment, R&D expense increased $2.9 million, $2.5 million related to increased salaries, benefits and bonus as the Company continues to invest in personnel allocated to the development of new CEW related technologies. Of the $5.3 million increase in R&D expense for the Software and Sensors segment, $6.7 million related to salaries and benefits, inclusive of stock-based compensation, which was partially offset by $1.5 million of lower expenses related to external professional and consulting fees. The Company expects R&D expense to continue to increase in absolute dollars as it invests in the deployment of new CEW technologies and focuses on growing the Software and Sensors segment as it adds headcount and additional resources to develop new products and services to further advance its scalable cloud-connected device platform. The Company believes that these investments will result in an increase in our subscription revenue base, which over time will result in revenue increasing faster than the increase in selling, general and administrative expenses and research and development costs, as we reach economies of scale.
Interest and Other Income
Interest and other income was $1.0 million for the six months ended June 30, 2018 compared to $1.9 million for the same period in 2017. During the six months ended June 30, 2018, interest and other income consisted primarily of interest income related to the Company's sales under hardware installment sale plans and investment and interest income totaling $1.3 million which was partially offset by losses on foreign currency transaction adjustments of $0.3 million. During the six months ended June 30, 2017, interest and other income was primarily comprised of $1.2 million of foreign currency transaction gains and investment and interest income of $0.8 million.

Provision for Income Taxes
The provision for income taxes was a benefit of $1.6 million for the six months ended June 30, 2018, which was an effective tax rate of (7.9)%. Our estimated full year effective income tax rate for 2018, before discrete period adjustments, was 22.8%, which is more than the federal statutory rate primarily due to state taxes and non-deductible expenses for items such as meals and entertainment, executive compensation limitation under IRC Section 162(m), lobbying fees, an income inclusion from GILTI, offset by a reduction for foreign-derived intangible income ("FDII"). This was partially offset by R&D tax credit deductions. The effective tax rate was favorably impacted by a $6.1 million discrete tax benefit primarily associated with windfalls related to stock-based compensation for RSUs that vested or stock options that were exercised during the six months ended June 30, 2018. Of this amount $3.4 million related to stock options exercised by the Company's CEO in connection with the Company's follow-on offering.
Net Income
Our income increased by $14.6 million to $21.4 million for the six months ended June 30, 2018 compared to $6.9 million for the same period in 2017. Net income per basic and diluted share was $0.39 and $0.38 for the six months ended June 30, 2018, respectively, compared to $0.13 per basic and diluted share for the same period in 2017.
Liquidity and Capital Resources
Summary
As of March 31,June 30, 2018, we had $94.8$310.0 million of cash, cash equivalents and restricted cash, an increase of $16.4$231.5 million as compared to December 31, 2017.
Cash Flows
The following table summarizes our cash flows from operating, investing and financing activities (in thousands):
 Three Months Ended March 31,
 2018 2017
Net cash provided by (used in) operating activities$18,053
 $(6,609)
Net cash provided by investing activities1,268
 9,884
Net cash used in financing activities(3,430) (1,877)
Effect of exchange rate changes on cash, cash equivalents and restricted cash469
 (76)
Net increase in cash, cash equivalents and restricted cash$16,360
 $1,322
 Six Months Ended June 30,
 2018 2017
Net cash provided by (used in) operating activities$16,106
 $(12,458)
Net cash provided by (used in) investing activities(7,226) 2,037
Net cash provided by (used in) financing activities223,197
 (1,331)
Effect of exchange rate changes on cash, cash equivalents and restricted cash(538) (857)
Net increase (decrease) in cash, cash equivalents and restricted cash$231,539
 $(12,609)
Operating activities
Net cash provided by operating activities in the first threesix months of 2018 of $18.1$16.1 million reflects $12.9$21.4 million in net income impacted by the net increase of non-cash income statement items totaling $8.2$14.6 million and decrease of $3.1$19.9 million for the net change in operating assets and liabilities. Included in the non-cash items were $2.4$5.2 million in depreciation and amortization expense and $4.1$9.0 million in stock-based compensation expense, and deferred income tax expense of $1.5 million.expense. Increases to operating cash flows consisted primarily of increased accounts payable, accrued and other liabilities of $6.7 million, which reduced the amount of cash used during the period, along with increased deferred revenue of $6.6$10.5 million and decreased inventory of $2.4$4.5 million. The increase in deferred revenue was primarily driven by increased softwareSoftware and sensorsSensors services invoiced in advance. Cash used in operations was also impacted by various other operating items, with the most significant component related to increased accounts and notes receivable and contract assets of $17.1$24.8 million primarily related to increased customer balances under the Company's Officer Safety Plan and TASER 60 purchase programs. Cash used in operations was also impacted by decreased accounts payable and accrued liabilities of $2.7 million and increased prepaid expenses and other assets of $1.7$7.4 million which wasdriven primarily related toby increased deferred commissions balances of $9.3 millionand higher prepaid software licenses, partially offset by lowerdecreased deferred cost of products sold of $1.5 million. Both of these changes were driven by accounting changes related to the adoption of Topic 606.product sales and higher income tax receivables.
Net cash used in operating activities in the first threesix months of 2017 of $6.6$12.4 million consisted of $4.6$6.9 million in net income impacted by the net increase of non-cash income statement items totaling $4.2$10.1 million and decrease of $15.4$29.4 million for the net change in operating assets and liabilities. Included in the non-cash items were $1.6$3.4 million in depreciation and amortization expense, $3.4$7.4 million in stock-based compensation expense and $0.2$0.4 million of bond premium amortization. These non-cash impacts were partially offset by deferred income tax expense of $1.2$1.5 million. Increases to operating cash flows consisted of increased accounts payable, accrued and other liabilities of $6.6$7.5 million, which reduced the amount of cash used during the period,

along with increased deferred revenue of $6.3$14.8 million. The increase in deferred revenue was primarily driven by continued sales growth of products and services within the Company's Software and Sensors segment that are typically invoiced in advance, and recognized over the duration of the contract period as hardware and services are delivered. Of the increase in deferred revenue, $2.7$7.5 million resulted from increased hardware deferred revenue along with increased deferred warranty revenue of $2.0$2.5 million, and increased services, including Evidence.com subscriptions, of $1.6$4.9 million. Cash used in operations werewas also impacted by various other operating items, with the most significant component related to increased inventory of $13.7$25.8 million in anticipation of the Company's national field trial offer for body cameras as well as increased sales throughout the remainder of 2017. TheAdditionally, the Company also had increased long-term accounts receivable of $15.9 million partially related to the Company's Officer Safety Plan and TASER 60 purchase programs and increased prepaid expenses and other assets of $2.8$10.1 million which was primarily driven by a $1.5$3.2 million increase in customer receivables related to value added tax receivablestaxes passed on to customers which was attributable to higher TASER weapons sales in the U.K. and $0.7, $1.0 million of increased prepaid commissions which are paid for when a contract is booked, and subsequently amortized over the contractual period, and $0.8 million of increased prepaid wages and benefits that will be recognized over the employees' explicit service period. Cash from operations was also decreased due toaffected by increases in accounts and notes receivable of $11.9$4.5 million primarily driven by increased long-term accounts receivable of $7.1 million related to the Company's Officer Safety Plan and TASER 60 purchase programs.higher sales.

Investing activities
We generated $1.3used $7.2 million fromin investing activities during the first threesix months of 2018. Maturities and calls of investments, net of purchases, were $2.4 million, which was partially offset by the Company's investment of $1.1$2.7 million. We invested $4.9 million in the purchase of property and equipment and intangible assets.assets in addition to our $5.0 million investment related to the acquisition of VIEVU, LLC (Refer to Note 15 in the Notes to Unaudited Condensed Consolidated Financial Statements).
We generated $9.9$2.0 million from investing activities during the first threesix months of 2017. Maturities and calls of investments, net of $18.8purchases, were $14.4 million, which was partially offset by the Company'sour investment of $2.4$5.9 million in the purchase of property and equipment and intangible assets. The Company also usedassets and our $6.5 million in connection withinvestment related to the acquisition of Dextro, Inc.

Financing activities
Net cash generated by financing activities was $223.2 million during the first six months of 2018. In May 2018, we completed a public follow-on equity offering that generated net proceeds of $234.0 million which was partially offset by income and payroll taxes of $10.8 million paid by the Company on behalf of employees who net-settled stock awards during the period.
Net cash used in financing activities was $3.4$1.3 million during the first threesix months of 2018.2017. During the first threesix months of 2018,2017, the Company paid income and payroll taxes of $3.8$2.6 million on behalf of employees who net-settled stock awards during the period which was partially offset by proceeds from options exercised of $0.4 million.
Net cash used in financing activities was $1.9 million during the first three months of 2017. During the first three months of 2017, the Company paid payroll taxes of $2.2 million on behalf of employees who net-settled stock awards during the period, which was partially offset by proceeds from options exercised of $0.3$1.2 million.
Liquidity and Capital Resources
Our most significant sourceAs of liquidity continues to be funds generated by operating activities and availableJune 30, 2018, we had $307.5 million of cash and cash equivalents.equivalents, of which $36.6 million was held in foreign locations. The majority of our cash and cash equivalents balance as of June 30, 2018 was comprised of the $234.0 million of net proceeds related to the follow-on offering we completed in May 2018. Our ongoing sources of cash are predominately from our sales of products and services to our customers. In addition, our $10.0 million revolving credit facility is available for additional working capital needs or investment opportunities. Under the terms of the line of credit, available borrowings are reduced by outstanding letters of credit. The line is secured by substantially all of the assets of the Company, and bears interest at varying rates, currently LIBOR plus 1.25% or Prime less 0.50%. As of March 31,June 30, 2018, we had letters of credit outstanding of $2.7 million, leaving the net amount available for borrowing of $7.3 million. The facility matures on December 31, 2018. There can be no assurance that we will continue to generate cash flows at or above current levels or that we will be able to maintain our ability to borrow under our revolving credit facility. At March 31,June 30, 2018 and December 31, 2017, there were no borrowings under the line.
Our agreement with the bank requires us to comply with a maximum funded debt to EBITDA ratio, as defined, of no greater than 2.00 to 1.00 based upon a trailing twelve-month period. At March 31,June 30, 2018, the Company’s funded debt to EBITDA ratio was 0.002 to 1.00.
TASER 60 installment purchase arrangements typically involve amounts invoiced in five equal installments at the beginning of each year of the five-year term. This is in contrast to a traditional CEW sale in which the entire amount being charged for the hardware is invoiced upon shipment. This impacts liquidity in a commensurate fashion, with the cash for the TASER 60 arrangements received in five annual installments rather than up front. It is our strategic intent to shift an increasing amount of our business to a subscription model, to better match the municipal budgeting process of our customers as well as to allow for multiple product offerings to be bundled into existing subscriptions. We carefully considered the cash flow impacts of this strategic shift and regularly revisit our cash flow forecast with the goal of maintaining a comfortable level of liquidity as we introduce new

commercial offerings in which we incur upfront cash costs to produce and fulfill hardware sales ahead of the cash inflows from our customers. We anticipate, and have prepared for, the majority of our arrangements in both reportable segments to be offered in similar subscription-type offerings over the coming years.

We believe financing will be available, both through our existing credit line and possible additional financing. However, there is no assurance that such funding will be available on terms acceptable to us, or at all. We believe that our sources of funding will be sufficient to satisfy our currently anticipated cash requirements including capital expenditures, working capital requirements, potential acquisitions and other liquidity requirements through at least the next 12 months. The Company and its Board of Directors may consider repurchases of our common stock. Further repurchases of our common stock would take place on the open market, would be financed with available cash and are subject to authorization as well as market and business conditions.
Off-Balance Sheet Arrangements
The discussion of off-balance sheet arrangements in Note 11 to the unaudited condensed consolidated financial statements included in PART I, ITEM I of this Form 10-Q is incorporated by reference herein. 
Critical Accounting Estimates
We have identified the following accounting estimates as critical to our business operations and the understanding of our results of operations. The preparation of this Quarterly Report on Form 10-Q requires us to make estimates and assumptions that affect the reported amount of assets and liabilities, the disclosure of contingent assets and liabilities at the date of our unaudited condensed consolidated financial statements, and the reported amounts of revenue and expenses during the reporting period. While we do not believe that a change in these estimates is reasonably likely, there can be no assurance that our actual results will not differ from these estimates. The effect of these estimates on our financial condition and results of operations are discussed below.
Product Warranties
The Company warranties its CEWs, Axon cameras and certain related accessories from manufacturing defects on a limited basis for a period of one year after purchase and, thereafter, will replace any defective unit for a fee. Estimated costs for the standard warranty are charged to cost of products sold when revenue is recorded for the related product. Future warranty costs are estimated based on historical data related to warranty claims on a quarterly basis and this rate is applied to current product sales. Historically, reserve amounts have been increased if management becomes aware of a component failure or other issue that could result in larger than anticipated warranty claims from customers. The warranty reserve is reviewed quarterly to verify that it sufficiently reflects the remaining warranty obligations based on the anticipated expenditures over the balance of the warranty obligation period, and adjustments are made when actual warranty claim experience differs from estimates. As of both March 31,June 30, 2018 and December 31, 2017, our reserve for warranty returns was $0.5 million and $0.6 million.million, respectively. Warranty expense for the threesix months ended March 31,June 30, 2018 was negligible, and there was a recovery of $0.4$0.1 million during the threesix months ended March 31,June 30, 2017. The change in warranty reserve was primarily driven by the release of initial reserves related to the Axon Flex 2 on-officer body camera. The Company experienced lower warranty claims than initially expected and, as such, adjusted the warranty reserve to better reflect actual warranty claims. As of March 31,June 30, 2018, the Company's reserve also included initial reserves related to the new Fleet in-car camera system and Signal Sidearm.
Revenue related to separately-priced extended warranties is initially recorded as deferred revenue at its contractual amount and subsequently recognized as net sales ratably over the warranty service period. Costs related to extended warranties are charged to cost of product and service sales when incurred.
Inventory
Inventories are stated at the lower of cost and net realizable value. Cost is determined using the weighted average cost of raw materials, which approximates the first-in, first-out (“FIFO”) method and includes allocations of manufacturing labor and overhead. Provisions are made to reduce potentially excess, obsolete or slow-moving inventories, as well as trial and evaluation inventories to their net realizable value. These provisions are based on management’s best estimate after considering historical demand, projected future demand, inventory purchase commitments, industry and market trends and conditions among other factors. Management evaluates inventory costs for abnormal costs due to excess production capacity and treats such costs as period costs.
During each of the threesix months ended March 31,June 30, 2018 and 2017, the Company recorded provisions for excess and obsolete inventory of $0.7 million.$2.6 million and $1.0 million, respectively. During the threesix months ended March 31,June 30, 2018, the Company continued phasing out certain previous generations of its body-worn and in-car cameras, which made up a portion of the amounts recorded as provisions to excess and obsolete inventory. Included within the $2.6 million expense, the Company recorded $0.6 million related to purchase commitments assumed in the VIEVU business combination that exceeded estimated future demand. The remaining change for the threesix months ended March 31,June 30, 2018 was driven by analyses looking at projected sales data for existing products and making

corresponding adjustments to state inventories at their lower of cost and net realizable value. Refer to Note 4 of our consolidated financial statements included elsewhere in this report for further information. 


the Notes to Unaudited Condensed Consolidated Financial Statements.
Revenue Recognition, Contract Assets and Liabilities and Accounts and Notes Receivable
The Company derives revenue from two primary sources: (1) the sale of physical products, including CEWs, Axon cameras, Axon Signal enabled devices, corresponding hardware extended warranties, and related accessories such as Axon docks, cartridges and batteries, among others, and (2) subscription to the Company's Evidence.com digital evidence management software as a service ("SaaS") (including secure cloud-based storage fees and other ancillary services), which includes varying levels of support. To a lesser extent, the Company also recognizes revenue from training and professional services and revenue related to other software and SaaS services. Refer to Note 2 of our consolidated financial statements included elsewhere in this report for further discussion.the Notes to Unaudited Condensed Consolidated Financial Statements.
Many of the Company's products and services are sold on a standalone basis. The Company also bundles its hardware products and services together and sells them to its customers in single transactions, where the customer can make payments over a multi-year period. For the three and six months ended March 31,June 30, 2018 and 2017, the composition of revenue recognized from contracts containing multiple performance obligations and those not containing multiple performance obligations was as follows (dollars in thousands):
Three Months Ended March 31, 2018 
Three Months Ended March 31, 2017 (1)
Three Months Ended June 30, 2018 
Three Months Ended June 30, 2017 (1)
TASER Weapons Software and Sensors Total TASER Weapons Software and Sensors TotalTASER Weapons Software and Sensors Total TASER Weapons Software and Sensors Total
Contracts with Multiple Performance Obligations$20,006
 31.5% $35,285
 93.6% $55,291
 54.6% $13,938
 24.2% $19,514
 90.5% $33,452
 42.2%$15,007
 24.8% $36,943
 95.7% $51,950
 52.4% $9,784
 18.5% $25,063
 94.1% $34,847
 43.8%
Contracts without Multiple Performance Obligations43,518
 68.5
 2,406
 6.4
 45,924
 45.4
 43,733
 75.8
 2,057
 9.5
 45,790
 57.8
45,617
 75.2
 1,659
 4.3
 47,276
 47.6
 43,232
 81.5
 1,564
 5.9
 44,796
 56.2
Total$63,524
 100.0% $37,691
 100.0% $101,215
 100.0% $57,671
 100.0% $21,571
 100.0% $79,242
 100.0%$60,624
 100.0% $38,602
 100.0% $99,226
 100.0% $53,016
 100.0% $26,627
 100.0% $79,643
 100.0%
 Six Months Ended June 30, 2018 
Six Months Ended June 30, 2017 (1)
 TASER Weapons Software and Sensors Total TASER Weapons Software and Sensors Total
Contracts with Multiple Performance Obligations$34,988
 28.2% $73,588
 96.5% $108,576
 54.2% $23,723
 21.4% $44,577
 92.5% $68,300
 43.0%
Contracts without Multiple Performance Obligations89,160
 71.8
 2,705
 3.5
 91,865
 45.8
 86,964
 78.6
 3,621
 7.5
 90,585
 57.0
Total$124,148
 100.0% $76,293
 100.0% $200,441
 100.0% $110,687
 100.0% $48,198
 100.0% $158,885
 100.0%
(1) Amounts for the three and six months ended March 31,June 30, 2017 have not been adjusted under the modified retrospective method of adoption of Topic 606, and are presented consistent with the prior period amounts reported under ASC 605.
Valuation of Goodwill, Intangibles and Long-lived Assets
The Company does not amortize goodwill and intangible assets with indefinite useful lives. Such assets are required to be tested for impairment at least annually, or sooner whenever events or changes in circumstances indicate that the assets may be impaired. The Company performs its annual impairment assessment in the fourth quarter of each year. Finite-lived intangible assets and other long-lived assets are amortized over their estimated useful lives. Management evaluates whether events and circumstances have occurred that indicate the remaining estimated useful life of long-lived assets and intangible assets may warrant revision or that the remaining balance of these assets, including intangible assets with indefinite lives, may not be recoverable.
Circumstances that might indicate long-lived assets might not be recoverable could include, but are not limited to, a change in the product mix, a change in the way products are created, produced or delivered, or a significant change in the way the Company's products are branded and marketed. When performing a review for recoverability, management estimates the future undiscounted cash flows expected to result from the use of the assets and their eventual disposition. The amount of the impairment loss, if impairment exists, is calculated based on the excess of the carrying amounts of the assets over their estimated fair value computed using discounted cash flows.

Income Taxes
We recognize federal, state and foreign current tax liabilities or assets based on our estimate of taxes payable or refundable in the current fiscal year by tax jurisdiction. We also recognize federal, state and foreign deferred tax assets or liabilities, as appropriate, for our estimate of future tax effects attributable to temporary differences and carry forwards.
We recognize the tax benefit from an uncertain tax position only if it is more likely than not that the tax position will be sustained based on the technical merits of the position. The tax benefits recognized in the consolidated financial statements from such positions are measured based on the largest benefit that has a greater than fifty percent likelihood of being realized upon ultimate resolution. Management must also assess whether uncertain tax positions as filed could result in the recognition of a liability for possible interest and penalties if any. The Company has claimed R&D tax credits of approximately $17.0approximately$17.0 million for federal, Arizona and California income tax purposes related to tax years 2003 to 2018. Management determined that it was more likely than not that the full benefit of the R&D tax credit would not be sustained on examination and accordingly, has established a liability for unrecognized tax benefits of $3.6$3.8 million as of March 31,June 30, 2018. In addition, we established a $0.1 million liability related to uncertain tax positions for certain state income tax liabilities, for a total unrecognized tax benefit at March 31,June 30, 2018 of

$3.7 $3.9 million. Approximately $2.0$2.1 million of the unrecognized tax benefit associated with R&D credits has been netted against the R&D credit deferred tax asset. Our estimates are based on the information available to us at the time we prepare the income tax provision. Our income tax returns are subject to audit by federal, state, and local governments, generally years after the returns are filed. These returns could be subject to material adjustments or differing interpretations of the tax laws.
Our calculation of current and deferred tax assets and liabilities is based on certain estimates and judgments and involves dealing with uncertainties in the application of complex tax laws. Our estimates of current and deferred tax assets and liabilities may change based, in part, on added certainty or finality to an anticipated outcome, changes in accounting or tax laws in the U.S. and overseas, or changes in other facts or circumstances. In addition, we recognize liabilities for potential U.S. tax contingencies based on our estimate of whether, and the extent to which, additional taxes may be due. If we determine that payment of these amounts is unnecessary, or if the recorded tax liability is less than our current assessment, we may be required to recognize an income tax benefit, or additional income tax expense, respectively, in our consolidated financial statements.
In preparing our consolidated financial statements, management assesses the likelihood that our deferred tax assets will be realized from future taxable income. In evaluating our ability to recover our deferred income tax assets, management considers all available positive and negative evidence, including operating results, ongoing tax planning and forecasts of future taxable income on a jurisdiction by jurisdiction basis. A valuation allowance is established if we determine that it is more likely than not that some portion or all of the net deferred tax assets will not be realized.
Although management believes that its tax estimates are reasonable, the ultimate tax determination involves significant judgments that could become subject to audit by tax authorities in the ordinary course of business. As of March 31,June 30, 2018, the Company would need to generate approximately $40.3$46.7 million of pre-tax book income in the U.S. in order to realize the net deferred tax assets for which a benefit has been recorded. This estimate considers the reversal of $19.0$17.6 million of taxable temporary differences, which produce $4.6$4.3 million of deferred tax liabilities. The Company has $4.5 million of state net operating losses (“NOLs”) which expire at various dates between 2030 and 2036. The Company also has federal NOLs of $1.5 million which expire in 2035 through 2036, and are subject to limitation under IRC Section 382. The Company has $7.4 million of Arizona R&D credits carrying forward, which expire at various dates between 2018 and 2032, and $0.1 million of federal R&D credits carrying forward which expire in 2034 through 2037. In Australia, the U.K., Canada, and Germany, the Company has $2.1$2.6 million, $7.6 million, $1.7 million, and $0.2$0.4 million of NOLs, respectively, which expire at various dates or may be carried forward indefinitely.
We anticipate the Company’s future income to continue to trend upward from our 2017 results, with sufficient pre-tax book income to realize a large portion of our deferred tax assets. As such, we have not recorded a valuation allowance on our U.S. deferred tax assets as of March 31,June 30, 2018, with the exception of a reserve of $2.4 million that has been recorded due to specific income projections in years in which certain tax assets are set to expire. As of March 31,June 30, 2018, the Company has cumulative losses in Australia, the U.K. and Canada, and a history of losses Germany, which limits the ability to consider other subjective evidence, such as projections for future growth. On the basis of this evaluation, a full valuation allowance has been recorded for these jurisdictions. The amount of the deferred tax asset considered realizable, however, could be adjusted if objective negative evidence in the form of cumulative losses is no longer present and additional weight is given to subjective evidence such as projections for growth.
We consider the earnings of certain non-U.S. subsidiaries to be indefinitely reinvested outside of the United States on the basis of estimates that future domestic cash generation will be sufficient to meet future domestic cash needs and our specific plans for reinvestment of those subsidiary earnings. The determination of the unrecognized deferred tax liability on those undistributed foreign earnings is not practicable due to our legal entity structure and the complexity of U.S. and local country tax laws. If we decide to repatriate the undistributed foreign earnings, we will need to recognize the income tax effects in the period we change our assertion on indefinite reinvestment. Refer to Note 8 of our consolidated financial statements included elsewhere in this report for additional information.the Notes to Unaudited Condensed Consolidated Financial Statements.

Stock-Based Compensation
We have historically granted stock-based compensation to key employees and non-employee directors as a means of attracting and retaining highly qualified personnel. The Company recognizes expense related to stock-based payment transactions in which it receives employee services in exchange for equity instruments of the Company. Stock-based compensation expense forprimarily consists of service-based RSUs. RSUs isare classified as equity and measured based onat the closing fair market value of the Company’s commonunderlying stock onat the date of grant.grant date. The Company recognizes stock-based compensationRSU expense using the straight-line attribution method over the award’s requisite service period on a straight-line basis for time-basedperiod. The Company also issues performance-based RSUs, and on a graded basis for RSUs that arethe vesting of which is contingent onupon the achievement of certain performance conditions. Thecriteria related to the operating performance of the Company, recognizesas well as successful and timely development and market acceptance of future product introductions. For performance-based RSUs containing only performance conditions, compensation cost is recognized using the accelerated attribution model over the explicit or implicit service period. For awards containing multiple service, performance or market conditions, and all conditions must be satisfied prior to vesting, compensation expense is recognized over the longest explicit, implicit or derived service period, based on management’s estimate of the probability of the performance criteria being satisfied, adjusted at each balance sheet date. For both service-based and performance-based RSUs, the Company accounts for forfeitures as they occur as a reduction to stock-based compensation expense and to additional paid-in-capital.

For performance-based options, stock-based compensation expense is recognized over the expected performance achievement period of individual performance goals when the achievement of each individual performance goal becomes probable. For performance-based awards with a vesting schedule based entirely on the attainment of both performance and market conditions, stock-based compensation expense is recognized for each pair of performance and market conditions over the longer of the expected achievement period of the performance and market conditions, beginning at the point in time that the relevant performance condition is considered probable of achievement. The fair value of such awards is estimated on the grant date using Monte Carlo simulations. Refer to Note 9 in the Notes to Unaudited Condensed Consolidated Financial Statements.
We have granted a total of 2.08.5 million performance-based awards (options and restricted stock units) of which 0.66.8 million are outstanding as of March 31,June 30, 2018. The Company recognizes expense related to stock-based payment transactions in which it receives employee services in exchange for equity instruments of the Company.
Contingencies and Accrued Litigation Expense
We are subject to the possibility of various loss contingencies arising in the ordinary course of business, including product-related litigation. We consider the likelihood of loss or impairment of an asset or the incurrence of a liability, as well as our ability to reasonably estimate the amount of loss in determining loss contingencies. An estimated loss contingency is accrued when it is probable that an asset has been impaired or a liability has been incurred and the amount of loss can be reasonably estimated. We regularly evaluate current information available to us to determine whether such accruals should be adjusted and whether new accruals are required. Refer to Note 11 of our consolidated financial statements for further discussion.
AsExcept as noted below, as of March 31,June 30, 2018, there were no material changes outside of the ordinary course of business to the contractual obligations table, including the notes thereto, contained in our Form 10-K Report for the fiscal year ended December 31, 2017.
In connection with the Company's acquisition of VIEVU, we entered into a long-term Product Development and Supplier Agreement (the “Supply Agreement”) with Safariland, pursuant to which Safariland will be the Company’s preferred provider of holsters for its CEW products. The Supply Agreement provides for a minimum number of units to be purchased by the Company at pre-determined prices over a ten-year period. The total undiscounted value of minimum purchases under the Supply Agreement is approximately $22.0 million.
Item 3. Quantitative and Qualitative Disclosures About Market Risk
Interest Rate Risk
We typically invest in a limited number of financial instruments, consisting principally of investments in money market accounts, certificates of deposit, and corporate and municipal bonds with a typical long-term debt rating of “A” or better by any nationally recognized statistical rating organization, denominated in U.S. dollars. All of our cash equivalents and investments are treated as “held-to-maturity.” Investments in fixed-rate interest-earning instruments carry a degree of interest rate risk as their market value may be adversely impacted due to a rise in interest rates. As a result, we may suffer losses in principal if we sell securities that have declined in market value due to changes in interest rates. However, because we classify our debt securities as “held-to-maturity” based on our intent and ability to hold these instruments to maturity, no gains or losses are recognized due to changes in interest rates. These securities are reported at amortized cost. Based on investment positions as of March 31,June 30, 2018, a hypothetical 100 basis point increase in interest rates across all maturities would result in an insignificant incremental decline in the fair market value of the portfolio. Such losses would only be realized if the Company sold the investments prior to maturity.
Additionally, we have access to a $10.0 million line of credit borrowing facility which bears interest at varying rates, currently at LIBOR plus 1.25% or Prime less 0.50%. Under the terms of the line of credit, available borrowings are reduced by outstanding letters of credit, which totaled $2.7 million at March 31,June 30, 2018. At March 31,June 30, 2018, there was no amount outstanding under the line of credit and the available borrowing under the line of credit was $7.3 million. We have not borrowed any funds under the line of credit since its inception; however; should we need to do so in the future, such borrowings could be subject to adverse or favorable changes in the underlying interest rate.

Exchange Rate Risk
Our results of operations and cash flows are subject to fluctuations due to changes in foreign currency exchange rates, in each case compared to the U.S. Dollar, related to transactions by our foreign subsidiaries. The majority of our sales to international customers are transacted in U.S. dollars and, therefore, are not subject to exchange rate fluctuations. However, the cost of our products to our customers increases when the U.S. dollar strengthens against their local currency, and the Company may have more sales and expenses denominated in foreign currencies in future years which could increase its foreign exchange rate risk.
To date, we have not engaged in any currency hedging activities. However, the Company may enter into foreign currency forward and option contracts with financial institutions to protect against foreign exchange risks associated with certain existing or future assets and liabilities, certain firmly committed transactions, forecasted future cash flows and net investments in foreign subsidiaries. The Company may choose not to hedge certain foreign exchange exposures for a variety of reasons, including but not limited to the prohibitive economic cost of hedging particular exposures. As such, fluctuations in currency exchange rates could harm our business in the future.
Item 4. Controls and Procedures
Evaluation of Disclosure Controls and Procedures
Our Chief Executive Officer and Chief Financial Officer are responsible for the evaluation of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of the end of the period covered by this Quarterly Report on Form 10-Q. Our disclosure controls and procedures are designed to ensure that information we are required to disclose in reports that we file or submit under the Exchange Act is (i) recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms and (ii) accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that because a material weakness exists in our internal control over financial reporting, as further described below, our disclosure controls and procedures were not effective as of March 31,June 30, 2018 at a level that provides reasonable assurance as of the last day of the period covered by this report.

During the fourth quarter of 2017, we identified a material weakness related to account reconciliations and monitoring over our U.K. subsidiary, Axon Public Safety U.K. Ltd. ("APS U.K"U.K."), which resulted from a breakdown in the operation of identified preventative and detective controls which led to the Company not initially recording some transactions correctly during 2016 and the interim periods in 2017.
To remediate the material weakness described above and related to APS U.K., we designed a specific plan to design new controls, and enhanced the design of existing controls and procedures. Specifically:

for the 2017 year-end close and first quarter 2018 close of our accounting records and during the second quarter of 2018, we sent accounting personnel from our headquarters in Arizona to the U.K. to perform additional review procedures of the account reconciliations for APS U.K., and our corporate accounting team performed additional reviews of APS U.K. activity;
we plan for our corporate accounting team to continue performing these additional review procedures on an ongoing basis; and
we added internal reporting procedures, including those designed to add depth to our detailed review processes of inventory, sales transactions and related accounting for deferred revenue and cost of goods sold and services delivered for APS U.K.; and
on June 1, 2018, we completed the migration of APS U.K. onto the same standard systems, processes and controls as our other locations, which subjects APS U.K. activity to those procedures by the same personnel that perform the accounting activities for our other locations.

The material weakness will not be considered remediated until the applicable remedial controls operate for a sufficient period of time and management has concluded, through testing, that these controls are operating effectively. As remediation testing has not yet been completed, and tested, our Chief Executive Officer and Chief Financial Officer have concluded that our disclosure controls and procedures were not effective as of March 31,June 30, 2018 at a level that provides reasonable assurance as of the last day of the period covered by this report.

Change in Internal Control over Financial Reporting
We implemented internal controls to ensure we adequately evaluated our contracts with customers and properly assessed the impact of the new accounting standard related to revenue recognition on our financial statements to facilitate its adoption on January 1, 2018. Except as noted above, there were no other changes in our internal control over financial reporting during the fiscal quarter ended March 31,June 30, 2018, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II - OTHER INFORMATION
 
Item 1. Legal Proceedings
The discussion of legal proceedings in Note 11 to the unaudited condensed consolidated financial statements included in PART I, ITEM 1 of this Form 10-Q is incorporated by reference herein.
Item 1A. Risk Factors
Our operations and financial results are subject to various risks and uncertainties, including those described in Part I, Item 1A, "Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2017, which could adversely affect our business, financial condition, results of operations, cash flows, and the trading price of our common stock. There have been no material changes to our risk factors since our Annual Report on Form 10-K for the year ended December 31, 2017.
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds
None.
Item 3. Defaults Upon Senior Securities
None.
Item 4. Mine Safety Disclosures
None.
Item 5. Other Information
None.

Item 6. Exhibits
3.5*10.1+ 
3.6*10.2+ 
31.1* 
31.2* 
32** 
101.INS* XBRL Instance Document
101.SCH* XBRL Taxonomy Extension Schema Document
101.CAL* XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF* XBRL Taxonomy Extension Definition Linkbase Document
101.LAB* XBRL Taxonomy Extension Label Linkbase Document
101.PRE* XBRL Taxonomy Extension Presentation Linkbase Document

*    Filed herewith
**    Furnished herewith

+    Management contract or compensatory plan or arrangement


 



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
 
     
AXON ENTERPRISE, INC.   
     
Date:May 10,August 9, 2018   
  By: /s/ PATRICK W. SMITH
    Chief Executive Officer
    (Principal Executive Officer)
    
Date:May 10,August 9, 2018By: /s/ JAWAD A. AHSAN
    Chief Financial Officer
    (Principal Financial and
    Accounting Officer)


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