KVH Industries (KVHI) 10-Q 5 May 21 2021 Q1 Quarterly report Financial data

Cover Page

Cover Page - shares	3 Months Ended
	Mar. 31, 2021	Apr. 26, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	0-28082
Entity Registrant Name	KVH Industries, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	05-0420589
Entity Address, Address Line One	50 Enterprise Center
Entity Address, City or Town	Middletown
Entity Address, State or Province	RI
Entity Address, Postal Zip Code	2842
City Area Code	401
Local Phone Number	847-3327
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	KVHI
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		18,760,686
Entity Central Index Key	0001007587
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 13,969	$ 12,578
Marketable securities	25,143	25,141
Accounts receivable, net of allowance for doubtful accounts of $1,673 and $1,596 as of March 31, 2021 and December 31, 2020, respectively	30,033	33,687
Inventories, net	22,773	24,674
Prepaid expenses and other current assets	4,507	3,894
Current contract assets	1,211	1,086
Total current assets	97,636	101,060
Property and equipment, net	57,111	56,273
Intangible assets, net	2,011	2,254
Goodwill	6,611	6,592
Right of use assets	5,346	6,893
Other non-current assets	7,352	7,785
Non-current contract assets	2,153	2,661
Deferred income tax asset	35	73
Total assets	178,255	183,591
Current liabilities:
Accounts payable	8,194	11,400
Accrued compensation and employee-related expenses	6,859	7,156
Accrued other	8,882	6,597
Accrued product warranty costs	1,634	1,812
Current portion of long-term debt	6,152	4,992
Contract liabilities	4,531	4,445
Current operating lease liability	2,973	3,826
Liability for uncertain tax positions	574	560
Total current liabilities	39,799	40,788
Other long-term liabilities	227	674
Long-term operating lease liability	2,500	3,204
Long-term contract liabilities	4,001	4,688
Long-term debt, excluding current portion	775	1,935
Deferred income tax liability	384	418
Total liabilities	47,686	51,707
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.01 par value. Authorized 1,000,000 shares; none issued	0	0
Common stock, $0.01 par value. Authorized 30,000,000 shares; 20,164,667 and 19,862,534 shares issued at March 31, 2021 and December 31, 2020, respectively; and 18,731,973 and 18,429,840 shares outstanding at March 31, 2021 and December 31, 2020, respectively	202	199
Additional paid-in capital	151,657	149,170
Accumulated deficit	(6,430)	(2,402)
Accumulated other comprehensive loss	(3,009)	(3,232)
Stockholders equity before treasury stock adjustment	142,420	143,735
Less: treasury stock at cost, common stock, 1,432,694 shares as of March 31, 2021 and December 31, 2020	(11,851)	(11,851)
Total stockholders’ equity	130,569	131,884
Total liabilities and stockholders’ equity	$ 178,255	$ 183,591
Treasury Stock, Shares	1,432,694	1,432,694

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for credit loss, current	$ 1,673	$ 1,596
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	20,164,667	19,862,534
Common stock, shares outstanding (in shares)	18,731,973	18,429,840
Treasury stock, shares outstanding (in shares)	1,432,694	1,432,694

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Sales:
Net sales	$ 42,292	$ 36,568
Costs and expenses:
Research and development	4,567	4,287
Sales, marketing and support	7,546	8,700
General and administrative	7,143	6,398
Total costs and expenses	45,899	44,216
Loss from operations	(3,607)	(7,648)
Interest income	233	313
Interest expense	18	4
Other (expense) income, net	(789)	1,502
Loss before income tax (benefit) expense	(4,181)	(5,837)
Income tax (benefit) expense	(153)	377
Net loss	$ (4,028)	$ (6,214)
Net loss per common share
Basic and diluted (in USD per share)	$ (0.22)	$ (0.35)
Weighted average number of common shares outstanding:
Basic and diluted (in shares)	17,938,000	17,529,000
Product
Sales:
Net sales	$ 18,432	$ 13,094
Costs and expenses:
Costs of sales	11,220	9,636
Service
Sales:
Net sales	23,860	23,474
Costs and expenses:
Costs of sales	$ 15,423	$ 15,195

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss		$ (4,028)	$ (6,214)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment		223	(2,480)
Other comprehensive income (loss), net of tax	[1]	223	(2,480)
Total comprehensive loss		$ (3,805)	$ (8,694)
[1]	Tax impact was nominal for all periods.

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total		Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2019			19,399,000
Beginning balance at Dec. 31, 2019	$ 149,989		$ 194	$ 144,485	$ 19,538	$ (2,767)	$ (11,461)
Beginning balance, treasury stock (in shares) at Dec. 31, 2019							(1,397,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(6,214)				(6,214)
Other comprehensive income (loss)	(2,480)	[1]				(2,480)
Stock-based compensation	805			805
Issuance of common stock under employee stock purchase plan (in shares)			20,000
Issuance of common stock under employee stock purchase plan	156			156
Acquisition of treasury stock (in shares)							(36,000)
Acquisition of treasury stock	(390)						$ (390)
Exercise of stock options and issuance of restricted stock awards, net of forfeitures	11			11
Ending balance (in shares) at Mar. 31, 2020			19,419,000
Ending balance at Mar. 31, 2020	$ 141,877		$ 194	145,457	13,324	(5,247)	$ (11,851)
Ending balance, treasury stock (in shares) at Mar. 31, 2020							(1,433,000)
Beginning balance (in shares) at Dec. 31, 2020	18,429,840		19,863,000
Beginning balance at Dec. 31, 2020	$ 131,884		$ 199	149,170	(2,402)	(3,232)	$ (11,851)
Beginning balance, treasury stock (in shares) at Dec. 31, 2020	(1,432,694)						(1,433,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (4,028)				(4,028)
Other comprehensive income (loss)	223	[1]				223
Stock-based compensation	932			932
Exercise of stock options and issuance of restricted stock awards, net of forfeitures (in shares)			302,000
Exercise of stock options and issuance of restricted stock awards, net of forfeitures	$ 1,558		$ 3	1,555
Ending balance (in shares) at Mar. 31, 2021	18,731,973		20,165,000
Ending balance at Mar. 31, 2021	$ 130,569		$ 202	$ 151,657	$ (6,430)	$ (3,009)	$ (11,851)
Ending balance, treasury stock (in shares) at Mar. 31, 2021	(1,432,694)						(1,433,000)
[1]	Tax impact was nominal for all periods.

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net loss	$ (4,028)	$ (6,214)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Provision for doubtful accounts	130	238
Depreciation and amortization	3,350	2,650
Loss on disposals of fixed assets	452	54
Compensation expense related to stock-based awards and employee stock purchase plan	932	805
Unrealized currency translation loss (gain)	195	(1,065)
Changes in operating assets and liabilities:
Accounts receivable	3,537	3,577
Inventories	1,901	(2,094)
Prepaid expenses, other current assets, and current contract assets	(739)	(243)
Other non-current assets and non-current contract assets	930	(47)
Accounts payable	(3,219)	(1,174)
Contract liabilities and long-term contract liabilities	(613)	317
Accrued compensation, product warranty and other	2,169	246
Other long-term liabilities	1	2
Net cash provided by (used in) operating activities	4,998	(2,948)
Cash flows from investing activities:
Capital expenditures	(5,164)	(3,277)
Cash paid for acquisition of intangible asset	(16)	(22)
Proceeds from sale of fixed assets	100	0
Purchases of marketable securities	(2)	(79)
Maturities and sales of marketable securities	0	7,500
Net cash (used in) provided by investing activities	(5,082)	4,122
Cash flows from financing activities:
Proceeds from stock options exercised and employee stock purchase plan	1,566	156
Repurchase of common stock	0	(390)
Payment of finance lease	(96)	(156)
Net cash provided by (used in) financing activities	1,470	(390)
Effect of exchange rate changes on cash and cash equivalents	5	(607)
Net increase in cash and cash equivalents	1,391	177
Cash and cash equivalents at beginning of period	12,578	18,365
Cash and cash equivalents at end of period	13,969	18,542
Supplemental disclosure of non-cash investing activities:
Changes in accrued other and accounts payable related to property and equipment additions	$ 175	$ 423

Description of Business

Description of Business	3 Months Ended
	Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Description of Business KVH Industries, Inc. (together with its subsidiaries, the Company or KVH) designs, develops, manufactures and markets mobile connectivity products and services for the marine and land markets, and inertial navigation products for both the defense and commercial markets. KVH's reporting segments are as follows: • the mobile connectivity segment and • the inertial navigation segment KVH’s mobile connectivity products enable customers to receive voice and Internet services, and live digital television via satellite services in marine vessels, recreational vehicles, buses and automobiles. KVH sells its mobile connectivity products through an extensive international network of dealers and distributors. KVH also sells and leases products to service providers and directly to end users. KVH’s mobile connectivity service sales represent primarily sales earned from satellite voice and Internet airtime services. KVH provides, for monthly fixed and usage-based fees, satellite connectivity services, including broadband Internet, data and Voice over Internet Protocol (VoIP) services, to its mini-VSAT Broadband customers. Our AgilePlans program, a mini-VSAT Broadband service offering, is a monthly subscription model providing global connectivity to commercial maritime customers. AgilePlans include hardware, installation, broadband Internet, VoIP, entertainment and training content and global support for a monthly fee with no minimum commitment. KVH offers AgilePlans customers a variety of airtime data plans with varying data speeds and fixed data usage levels with overage charges per megabyte, which is similar to the plans that the Company offers to its other mini-VSAT Broadband customers. The Company recognizes the monthly subscription fee as service revenue over the service delivery period. The Company retains ownership of the hardware that it provides to AgilePlans customers, who must return the hardware to KVH if they decide to terminate the service. Because KVH does not sell the hardware under AgilePlans, the Company does not recognize any product revenue when the hardware is deployed to an AgilePlans customer. KVH records the cost of the hardware used by AgilePlans customers as revenue-generating assets and depreciates the cost over an estimated useful life of five years. Since the Company is retaining ownership of the hardware, it does not accrue any warranty costs for AgilePlans hardware; however, any maintenance costs on the hardware are expensed in the period these costs are incurred. Mobile connectivity service sales also include the distribution of commercially licensed entertainment, including news, sports, music, and movies to commercial and leisure customers in the maritime, hotel, and retail markets through KVH Media Group. KVH also earns monthly usage fees from third-party satellite connectivity services, including voice, data and Internet services, provided to its Inmarsat and Iridium customers who choose to activate their subscriptions with KVH. Mobile connectivity service sales also include engineering services provided under development contracts, sales from product repairs, and extended warranty sales. KVH's inertial navigation products offer precision fiber optic gyro (FOG)-based systems that enable platform and optical stabilization, navigation, pointing and guidance. KVH’s inertial navigation products also include tactical navigation systems that provide uninterrupted access to navigation and pointing information in a variety of military vehicles, including tactical trucks and light armored vehicles. KVH’s inertial navigation products are sold directly to governments, both U.S. and foreign, and government contractors, as well as through an international network of authorized independent sales representatives. In addition, KVH's inertial navigation technology is used in numerous commercial products, such as navigation and positioning systems for various applications including precision mapping, dynamic surveying, autonomous vehicles, train location control and track geometry measurement systems, industrial robotics and optical stabilization. KVH’s inertial navigation service sales include product repairs, engineering services provided under development contracts and extended warranty sales.

Summary of Significant Accounti

Summary of Significant Accounting Policies	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Basis of Presentation The accompanying consolidated interim financial statements of KVH Industries, Inc. and its wholly owned subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America. The Company has evaluated all subsequent events through the date of this filing. All significant intercompany accounts and transactions have been eliminated in consolidation. The consolidated interim financial statements have not been audited by the Company’s independent registered public accounting firm and include all adjustments (consisting of only normal recurring adjustments) which are, in the opinion of management, necessary for a fair presentation of the financial condition, results of operations, and cash flows for the periods presented. These consolidated interim financial statements do not include all disclosures associated with annual financial statements and accordingly should be read in conjunction with the Company’s consolidated financial statements and related notes included in the Company’s annual report on Form 10-K for the year ended December 31, 2020 filed on March 03, 2021 with the Securities and Exchange Commission. The results for the three months ended March 31, 2021 are not necessarily indicative of operating results for the remainder of the year. Significant Estimates and Assumptions and Other Significant Non-Recurring Transactions The preparation of interim financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the interim financial statements and the reported amounts of sales and expenses during the reporting periods. As described in the Company’s annual report on Form 10-K, the most significant estimates and assumptions by management affect the Company’s revenue recognition, valuation of accounts receivable, valuation of inventory, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets and goodwill, estimated fair values of long-lived assets, including goodwill, amortization methods and periods, certain accrued expenses and other related charges, stock-based compensation, contingent liabilities, forfeitures and key valuation assumptions for its share-based awards, estimated fulfillment costs for warranty obligations, tax reserves and recoverability of the Company’s net deferred tax assets and related valuation allowance, and the valuation of right-of-use assets and lease liabilities. The Company has reviewed these estimates and determined that these remain the most significant estimates for the three months ended March 31, 2021. Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances.

Accounting Standards Issued and

Accounting Standards Issued and Not Yet Adopted	3 Months Ended
	Mar. 31, 2021
Significant Accounting Policies [Abstract]
Accounting Standards Issued and Not Yet Adopted	Accounting Standards Issued and Not Yet Adopted ASC Update No. 2016-13, ASC Update No. 2018-19, ASC Update No. 2019-04, ASC Update No. 2019-05, ASC Update No. 2019-10, ASC Update No. 2019-11 and ASC Update No. 2020-02 In June 2016, the FASB issued ASC Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The purpose of Update No. 2016-13 is to replace the incurred loss impairment methodology for financial assets measured at amortized cost with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information, including forecasted information, to develop credit loss estimates. In November 2018, the FASB issued ASC Update No. 2018-19, Codification Improvements to Topic 326, Financial Instruments—Credit Losses . This update introduced an expected credit loss methodology for the impairment of financial assets measured at amortized cost. The amendment also clarifies that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with Topic 842, Leases. In May 2019, the FASB issued ASC Update No. 2019-04, Codification Improvements to Topic 326, Financial Instruments—Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments. This update introduced clarifications of the Board’s intent with respect to accrued interest, the transfer between classifications or categories for loans and debt securities, recoveries, reinsurance recoverables, projects of interest rate environments for variable-rate financial instruments, costs to sell when foreclosure is probable, consideration of expected prepayments when determining the effective interest rate, vintage disclosures, and extension and renewal options. In May 2019, the FASB issued ASC Update No. 2019-05, Financial Instruments—Credit Losses (Topic 326): Targeted Transition Relief . The amendments in the update ease the transition for entities adopting ASC Update 2016-13 and increase the comparability of financial statement information. With the exception of held-to-maturity debt securities, the amendments allow entities to irrevocably elect to apply the fair value option to financial instruments that were previously recorded at amortized cost basis within the scope of Subtopic 326-20, Financial Instruments—Credit Losses—Measured at Amortized Cost . In November 2019, the FASB issued ASC Update No. 2019-10, Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842): Effective Dates. The amendments in this update change some effective dates for certain new accounting standards including those pertaining to Topic 326 discussed above, for certain types of entities. In November 2019, the FASB issued ASC Update No. 2019-11, Codification Improvements to Topic 326, Financial Instruments—Credit Losses (Topic 326). The update is effective for entities that have adopted ASU 2016-13. The purpose of Update No. 2019-11 is to clarify the scope of the recovery guidance to purchased financial assets with credit deterioration. In February 2020, the FASB issued ASC Update No. 2020-02, Financial Instruments – Credit Losses (Topic 326) and Leases (Topic 842). The purpose of Update No. 2020-02 is to clarify the scope and interpretation of the standard. As a smaller reporting entity for Topic 326, the effective date will be the fiscal year beginning after December 15, 2022. The adoption of Update Nos. 2016-13, 2018-19, 2019-04, 2019-05, 2019-10, 2019-11 and 2020-20 is not expected to have a material impact on the Company's financial position or results of operations. There are no other recent accounting pronouncements issued by the FASB that the Company expects would have a material impact on the Company's financial statements.

Marketable Securities

Marketable Securities	3 Months Ended
	Mar. 31, 2021
Marketable Securities [Abstract]
Marketable Securities	Marketable Securities Marketable securities as of March 31, 2021 and December 31, 2020 consisted of the following: March 31, 2021 Amortized Gross Gross Fair Money market mutual funds $ 25,143 $ — $ — $ 25,143 Total marketable securities designated as available-for-sale $ 25,143 $ — $ — $ 25,143 December 31, 2020 Amortized Gross Gross Fair Money market mutual funds $ 20,142 $ — $ — $ 20,142 United States treasuries 4,999 — — 4,999 Total marketable securities designated as available-for-sale $ 25,141 $ — $ — $ 25,141 The effective maturity date of the United States treasuries is less than one year.

Stockholder's Equity

Stockholder's Equity	3 Months Ended
	Mar. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]
Stockholder's Equity	Stockholder's Equity (a) Stock Equity and Incentive Plan The Company recognizes stock-based compensation in accordance with the provisions of ASC Topic 718, Compensation-Stock Compensation . Stock-based compensation expense was $924 and $789, excluding the $8 and $16 compensation charges related to our Amended and Restated 1996 Employee Stock Purchase Plan, or the ESPP, for the three months ended March 31, 2021 and 2020, respectively. As of March 31, 2021, there was $5,300 of total unrecognized compensation expense related to stock options, which is expected to be recognized over a weighted-average period of 2.96 years. As of March 31, 2021, there was $5,198 of total unrecognized compensation expense related to restricted stock awards, which is expected to be recognized over a weighted-average period of 2.88 years. Stock Options During the three months ended March 31, 2021, the Company issued 154 shares of common stock upon the exercise of stock options and received $1,566 as payment for the exercise price. No shares were surrendered to the Company to satisfy minimum tax withholding obligations Additionally, during the three months ended March 31, 2021, 496 stock options were granted and 21 stock options expired, were canceled or were forfeited. During the three months ended March 31, 2020 no stock options were granted. The Company has estimated the fair value of each option grant on the date of grant using the Black-Scholes option-pricing model. The weighted average assumptions utilized to determine the fair value of options granted during the three months ended March 31, 2021 and 2020 are as follows: Three Months Ended March 31, 2021 2020 Risk-free interest rate 0.92 % 0 % Expected volatility 44.98 % 0 % Expected life (in years) 4.28 0.00 Dividend yield 0 % 0 % As of March 31, 2021, there were 2,357 options outstanding with a weighted average exercise price of $9.89 per share and 578 options exercisable with a weighted average exercise price of $9.40 per share. Restricted Stock During the three months ended March 31, 2021, 149 shares of restricted stock were granted with a weighted average grant date fair value of $12.66 per share and 1 shares of restricted stock were forfeited. Additionally, during the three months ended March 31, 2021, 67 shares of restricted stock vested, of which no shares of common stock were surrendered to the Company as payment by employees in lieu of cash to satisfy minimum tax withholding obligations in connection with the vesting of restricted stock. As of March 31, 2021, there were 637 shares of restricted stock outstanding that were still subject to service-based vesting conditions. As of March 31, 2021, the Company had no unvested outstanding options and no outstanding shares of restricted stock that were subject to performance-based or market-based vesting conditions. (b) Employee Stock Purchase Plan The Company's ESPP affords eligible employees the right to purchase common stock, via payroll deductions, through various offering periods at a purchase price equal to 85% of the fair market value of the common stock on the first or last day of the offering period, whichever is lower. During the three months ended March 31, 2021 and 2020, 0 and 20 shares were issued under the ESPP plan, respectively. The Company recorded compensation charges related to the ESPP of $8 and $16 for the three months ended March 31, 2021 and 2020, respectively. (c) Stock-Based Compensation Expense The following table presents stock-based compensation expense, including under the ESPP, in the Company's consolidated statements of operations for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 Cost of product sales $ 46 $ 40 Cost of service sales 2 — Research and development 156 153 Sales, marketing and support 190 154 General and administrative 538 458 $ 932 $ 805 (d) Accumulated Other Comprehensive Loss (AOCI) Comprehensive income (loss) includes net income (loss), unrealized gains and losses from foreign currency translation, and unrealized gains and losses from available for sale marketable securities. The components of the Company’s comprehensive income (loss) and the effect on earnings for the periods presented are detailed in the accompanying consolidated statements of comprehensive loss. The balances for the three months ended March 31, 2021 and 2020 are as follows: Foreign Currency Translation Total Accumulated Other Comprehensive Loss Balance, December 31, 2020 $ (3,232) $ (3,232) Other comprehensive income 223 223 Net other comprehensive income 223 223 Balance, March 31, 2021 $ (3,009) $ (3,009) Foreign Currency Translation Total Accumulated Other Comprehensive Loss Balance, December 31, 2019 $ (2,767) $ (2,767) Other comprehensive loss (2,480) (2,480) Net other comprehensive loss (2,480) (2,480) Balance, March 31, 2020 $ (5,247) $ (5,247) For additional information, see Note 4, "Marketable Securities."

Net Loss per Common Share

Net Loss per Common Share	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Net Loss per Common Share	Net Loss per Common Share Basic net loss per share is calculated based on the weighted average number of common shares outstanding during the period. Diluted net loss per share incorporates the dilutive effect of common stock equivalent options, warrants and other convertible securities, if any, as determined with the treasury stock accounting method. For the three months ended March 31, 2021 and 2020, since there was a net loss, the Company excluded all 520 and 1,341, respectively, in outstanding stock options and non-vested restricted shares from its diluted loss per share calculation, as inclusion of these securities would have reduced the net loss per share. A reconciliation of the basic and diluted weighted average common shares outstanding is as follows: Three Months Ended March 31, 2021 2020 Weighted average common shares outstanding—basic 17,938 17,529 Dilutive common shares issuable in connection with stock plans — — Weighted average common shares outstanding—diluted 17,938 17,529

Inventories

Inventories	3 Months Ended
	Mar. 31, 2021
Inventory Disclosure [Abstract]
Inventories	Inventories Inventories, net are stated at the lower of cost and net realizable value using the first-in first-out costing method. Inventories as of March 31, 2021 and December 31, 2020 include the costs of material, labor, and factory overhead. Components of inventories consist of the following: March 31, December 31, Raw materials $ 12,999 $ 13,957 Work in process 3,157 3,996 Finished goods 6,617 6,721 $ 22,773 $ 24,674

Property and Equipment

Property and Equipment	3 Months Ended
	Mar. 31, 2021
Property, Plant and Equipment [Abstract]
Property and Equipment	Property and Equipment Property and equipment, net, as of March 31, 2021 and December 31, 2020 consist of the following: March 31, December 31, Land $ 3,828 $ 3,828 Building and improvements 24,206 24,197 Leasehold improvements 481 482 Machinery and equipment 15,841 15,536 Revenue-generating assets 54,392 56,336 Office and computer equipment 14,147 13,855 Motor vehicles 31 31 112,926 114,265 Less accumulated depreciation (55,815) (57,992) $ 57,111 $ 56,273 Depreciation expense was $3,074 and $2,402 for the three months ended March 31, 2021 and 2020, respectively. Certain revenue-generating hardware assets are utilized by the Company in the delivery of the Company's airtime services, media and other content.

Product Warranty

Product Warranty	3 Months Ended
	Mar. 31, 2021
Product Warranties Disclosures [Abstract]
Product Warranty	Product Warranty The Company’s products carry standard limited warranties that range from one The following table summarizes product warranty activity during 2021 and 2020: Three Months Ended March 31, 2021 2020 Beginning balance $ 1,812 $ 2,194 Charges to expense 61 470 Costs incurred (239) (452) Ending balance $ 1,634 $ 2,212

Debt

Debt	3 Months Ended
	Mar. 31, 2021
Debt Disclosure [Abstract]
Debt	Debt March 31, December 31, PPP loan $ 6,927 $ 6,927 Total long-term debt 6,927 6,927 Less amounts classified as current 6,152 4,992 Long-term debt, excluding current portion $ 775 $ 1,935 Paycheck Protection Program Loan In May 2020, the Company received a $6,927 loan (the PPP Loan) from Bank of America, N.A., under the Paycheck Protection Program, which was established under the Coronavirus Aid, Relief, and Economic Security Act (as modified by the Paycheck Protection Flexibility Act of 2020, the CARES Act) and is administered by the U.S. Small Business Administration. The Company believes it has used the proceeds from the PPP Loan in accordance with the requirements of the CARES Act, primarily for payroll costs and to retain workers. The term of the PPP Loan is two years from the funding date of the PPP Loan. The interest rate on the PPP Loan is 1.00%. Under the terms of the PPP Loan, interest accrues from the funding date of the PPP Loan but is deferred until the lender determines the amount of loan forgiveness, but the deferral period will end if the Company fails to apply for loan forgiveness within ten months after the loan forgiveness covered period. Principal and interest on the PPP Loan will be payable in monthly installments, except that the Company will not be obligated to repay amounts that are forgiven, if any. The promissory note evidencing the PPP Loan contains various events of default relating to, among other things, insolvency, bankruptcy or the like, payment defaults under the PPP Loan or other loans by the lender, certain defaults under other indebtedness, breach of representations and warranties, the occurrence of a material adverse event, changes in ownership, or breach of other provisions of the promissory note. Upon an event of default, all principal and accrued interest on the PPP Loan and any and all other loans made by the lender to the Company would at the lender’s option become immediately due and payable. The Company agreed that it will not receive any other loan under the Paycheck Protection Program. Pursuant to the terms of the CARES Act, the Company can apply for and may be granted forgiveness for all or a portion of the PPP Loan, if and to the extent that the Company satisfies all of the requirements applicable to forgiveness of the PPP Loan. Such forgiveness will be determined in part based on the use of PPP Loan proceeds in accordance with the terms of the CARES Act during the 24-week period after loan origination and the maintenance or achievement of certain employee and compensation levels. The Company has not decided whether to apply for forgiveness and can provide no assurance that any portion of the PPP Loan will be forgiven should it seek forgiveness. Term Note and Line of Credit Effective October 30, 2018, the Company entered into an amended and restated three-year senior secured credit facility agreement (the 2018 Credit Agreement) with Bank of America, N.A., as Administrative Agent, and the lenders named from time to time as parties thereto (the 2018 Lenders), for an aggregate amount of up to $42,500, including a term loan (2018 Term Loan) of $22,500 and a reducing revolving credit facility (the 2018 Revolver) of up to $20,000 initially and reducing to $15,000 on December 31, 2019, each to be used for general corporate purposes, including the refinancing of indebtedness under the Company’s then-outstanding senior credit facility agreement. The Company's obligations under the 2018 Credit Agreement are secured by substantially all of our assets and the pledge of equity interests in certain of our subsidiaries. On June 27, 2019, the Company used the proceeds of the sale of its former Videotel business unit to repay in full the then-outstanding balance of $21,375 under the 2018 Term Loan and to repay $13,000 of the then-outstanding balance under the 2018 Revolver. The 2018 Revolver remained at $20,000 through December 31, 2019 and then reduced to $15,000 for the remaining term of the 2018 Credit Agreement. On October 30, 2021, the entire principal balance of any outstanding loans under the 2018 Revolver will be due and payable, together with all accrued and unpaid interest, fees and any other amounts due and payable under the 2018 Credit Agreement. As of March 31, 2021, no amounts were outstanding under the 2018 Revolver. Borrowings of up to $15,000 under the 2018 Revolver are subject to the satisfaction of various conditions precedent at the time of each borrowing, including the continued accuracy of the Company’s representations and warranties and the absence of any default under the 2018 Credit Agreement. As of March 31, 2021, the full balance of the $15,000 facility was available for borrowing. The 2018 Credit Agreement contains two financial covenants, a maximum Consolidated Leverage Ratio and a minimum Consolidated Fixed Charge Coverage Ratio, each as defined in the 2018 Credit Agreement. The Consolidated Leverage Ratio could not exceed 2.50:1.00 through December 31, 2020 and may not exceed 2.00:1.00 after December 31, 2020. The Consolidated Fixed Charge Coverage Ratio may not be less than 1.25:1.00. On July 30, 2020, the Company amended the 2018 Credit Agreement to reflect the incurrence of the PPP Loan. Under the amended facility, the principal and interest on the PPP Loan are not included in the maximum Consolidated Leverage Ratio or the minimum Consolidated Fixed Charge Coverage Ratio calculations except as to any portion of the PPP Loan that is not ultimately forgiven. The 2018 Credit Agreement imposes certain other affirmative and negative covenants, including without limitation covenants with respect to the payment of taxes and other obligations, compliance with laws, performance of material contracts, creation of liens, incurrence of indebtedness, investments, dispositions, fundamental changes, restricted payments, changes in the nature of the Company’s business, transactions with affiliates, corporate and accounting changes, and sale and leaseback arrangements.

Segment Reporting

Segment Reporting	3 Months Ended
	Mar. 31, 2021
Segment Reporting [Abstract]
Segment Reporting	Segment Reporting The financial results of each segment are based on revenues from external customers, cost of revenue and operating expenses that are directly attributable to the segment and an allocation of costs from shared functions. These shared functions include, but are not limited to, facilities, human resources, information technology, and engineering. Allocations are made based on management’s judgment of the most relevant factors, such as head count, number of customer sites or other operational data that contribute to the shared costs. Certain corporate-level costs have not been allocated as they are not directly attributable to either segment. These costs primarily consist of broad corporate functions, including executive, legal, finance, and costs associated with corporate actions. Segment-level asset information has not been provided as such information is not reviewed by the chief operating decision-maker for purposes of assessing segment performance and allocating resources. There are no inter-segment sales or transactions. The Company's performance is impacted by the levels of activity in the marine and land mobile markets and defense sectors, among others. Performance in any particular period could be impacted by the timing of sales to certain large customers. The mobile connectivity segment primarily manufactures and distributes a comprehensive family of mobile satellite antenna products and services that provide access to television, the Internet and voice services while on the move. Product sales within the mobile connectivity segment accounted for 16% and 18% of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020, respectively. Service sales of mini-VSAT Broadband airtime service accounted for 51% and 53% of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020, respectively. The inertial navigation segment manufactures and distributes a portfolio of digital compass and FOG-based systems that address the rigorous requirements of military and commercial customers and provide reliable, easy-to-use and continuously available navigation and pointing data. The principal product categories in this segment include the FOG-based inertial measurement units (IMUs) for precision guidance, FOGs for tactical navigation (TACNAV) as well as pointing and stabilization systems, and digital compasses that provide accurate heading information for demanding applications, security, automation and access control equipment and systems. Sales of FOG-based guidance and navigation systems within the inertial navigation segment accounted for 14% of the Company's consolidated net sales for both the three months ended March 31, 2021 and 2020. TACNAV product sales accounted for 12% and 3% of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020, respectively. No other single product class accounts for 10% or more of the Company's consolidated net sales. The Company operates in a number of major geographic areas across the globe. The Company generates international net sales, based upon customer location, primarily from customers located in Singapore, Canada, Europe, countries in Africa, other Asia/Pacific countries, the Middle East, and India. Revenues are based upon customer location and internationally represented 62% and 58% of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020, respectively. Sales to Singapore customers represented 10% and 11% of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020, respectively. No other individual foreign country represented 10% or more of the Company's consolidated net sales for the three months ended March 31, 2021 and 2020. As of March 31, 2021 and December 31, 2020, the long-lived tangible assets related to the Company’s international subsidiaries were less than 10% of the Company’s long-lived tangible assets. Net sales and operating income (loss) for the Company's reporting segments and the Company's loss before income tax (benefit) expense for the three months ended March 31, 2021 and 2020 were as follows: Three Months Ended March 31, 2021 2020 Net sales: Mobile connectivity $ 30,507 $ 28,896 Inertial navigation 11,785 7,672 Consolidated net sales $ 42,292 $ 36,568 Operating (loss) income: Mobile connectivity $ (397) $ (2,299) Inertial navigation 2,090 (821) Subtotal 1,693 (3,120) Unallocated, net (5,300) (4,528) Loss from operations (3,607) (7,648) Net interest and other (expense) income (574) 1,811 Loss before income tax (benefit) expense $ (4,181) $ (5,837) Depreciation expense and amortization expense for the Company's reporting segments for the three months ended March 31, 2021 and 2020 were as follows: Three Months Ended March 31, 2021 2020 Depreciation expense: Mobile connectivity $ 2,521 $ 1,958 Inertial navigation 384 293 Unallocated 169 151 Total consolidated depreciation expense $ 3,074 $ 2,402 Amortization expense: Mobile connectivity $ 276 $ 248 Inertial navigation — — Unallocated — — Total consolidated amortization expense $ 276 $ 248

Legal Matters

Legal Matters	3 Months Ended
	Mar. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Legal Matters	Legal Matters In the ordinary course of business, the Company is a party to inquiries, legal proceedings and claims including, from time to time, disagreements with vendors and customers. The Company is not a party to any lawsuit or proceeding that, in management's opinion, is likely to materially harm the Company's business, results of operations, financial condition, or cash flows.

Share Buyback Program

Share Buyback Program	3 Months Ended
	Mar. 31, 2021
Disclosure of Repurchase Agreements [Abstract]
Share Buyback Program	Share Buyback Program On October 4, 2019, the Company's Board of Directors authorized a share repurchase program pursuant to which the Company was authorized to purchase up to 1,000 shares of the Company’s common stock. The program expired on October 4, 2020. Under the repurchase program, the Company, at management’s discretion, was authorized to repurchase shares on the open market from time to time, in privately negotiated transactions or block transactions, or through an accelerated repurchase agreement. In January 2020, the Company repurchased 36 shares of common stock in open market transactions at a cost of approximately $390. The total amount the Company repurchased under the repurchase program since the inception of the October 4, 2019 repurchase program was 151 shares of common stock for an approximate cost of $1,690. There were no repurchase programs outstanding during the three months ended March 31, 2021.

Fair Value Measurements

Fair Value Measurements	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements ASC Topic 820, Fair Value Measurements and Disclosures (ASC 820), provides a framework for measuring fair value and requires expanded disclosures regarding fair value measurements. ASC 820 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820 also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. ASC 820 describes three levels of inputs that may be used to measure fair value: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company’s Level 1 assets are investments in money market mutual funds and United States treasuries. Level 2: Quoted prices for similar assets or liabilities in active markets; or observable prices that are based on observable market data, based on directly or indirectly market-corroborated inputs. The Company has no Level 2 assets or liabilities. Level 3: Unobservable inputs that are supported by little or no market activity, and are developed based on the best information available given the circumstances. The Company has no Level 3 assets. Assets and liabilities measured at fair value are based on the valuation techniques identified in the table below. The following tables present financial assets and liabilities at March 31, 2021 and December 31, 2020 for which the Company measures fair value on a recurring basis, by level, within the fair value hierarchy: March 31, 2021 Total Level 1 Level 2 Level 3 Valuation Assets Money market mutual funds $ 25,143 $ 25,143 $ — $ — (a) December 31, 2020 Total Level 1 Level 2 Level 3 Valuation Assets Money market mutual funds $ 20,142 $ 20,142 $ — $ — (a) United States treasuries 4,999 4,999 — — (a) (a) Market approach—prices and other relevant information generated by market transactions involving identical or comparable assets. The carrying amount of certain financial instruments approximates fair value due to their short-term, highly liquid nature. These instruments include cash and cash equivalents, accounts receivable, accounts payable, and accrued expenses. The carrying amount of the Company's operating and financing lease liabilities approximates fair value based on currently available quoted rates of similarly structured borrowings. Assets Measured and Recorded at Fair Value on a Nonrecurring Basis The Company's non-financial assets, such as goodwill, intangible assets, and other long-lived assets resulting from business combinations, are measured at fair value using income approach valuation methodologies at the date of acquisition and subsequently re-measured if an impairment exists. During 2020, the Company recorded an impairment charge of $10,490 to goodwill and intangible assets. There was no additional impairment of the Company's non-financial assets noted as of March 31, 2021. The Company does not have any liabilities that are recorded at fair value on a non-recurring basis.

Goodwill and Intangible Assets

Goodwill and Intangible Assets	3 Months Ended
	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets	Goodwill and Intangible Assets Goodwill The following table sets forth the changes in the carrying amount of goodwill for the three months ended March 31, 2021: Amounts Balance at December 31, 2020 $ 6,592 Foreign currency translation adjustment 19 Balance at March 31, 2021 $ 6,611 Intangible Assets The changes in the carrying amount of intangible assets during the three months ended March 31, 2021 are as follows: Amounts Balance at December 31, 2020 $ 2,254 Amortization expense (276) Intangible assets acquired in asset acquisition 16 Foreign currency translation adjustment 17 Balance at March 31, 2021 $ 2,011 Intangible assets arose from an acquisition made prior to 2013 and the acquisition of KVH Media Group (acquired as Headland Media Limited) in May 2013. Intangibles arising from the acquisition made prior to 2013 were amortized on a straight-line basis over an estimated useful life of 7 years. Intangibles arising from the acquisition of KVH Media Group are being amortized on a straight-line basis over the estimated useful life of: (i) 10 years for acquired subscriber relationships and (ii) 15 years for distribution rights. Due to the impairment of distribution rights during the Company's 2020 annual impairment test, the estimated useful life of distribution rights was reduced from 15 years to 1 year. The intangibles arising from the KVH Media Group acquisition were recorded in pounds sterling and fluctuations in exchange rates cause these amounts to increase or decrease from time to time. In January 2017, the Company completed the acquisition of certain subscriber relationships from a third party. This acquisition did not meet the definition of a business under ASC 2017-01, Business Combinations (Topic 805)-Clarifying the Definition of a Business , which the Company adopted on October 1, 2016. The Company ascribed $100 of the initial purchase price to the acquired subscriber relationships definite-lived intangible assets with an initial estimated useful life of 10 years. Under the asset purchase agreement, the purchase price includes a component of contingent consideration under which the Company is required to pay a percentage of recurring revenues received from the acquired subscriber relationships through 2026 up to a maximum annual payment of $114. As of March 31, 2021, the carrying value of the intangible assets acquired in the asset acquisition was $362. As the acquisition did not represent a business combination, the contingent consideration arrangement is recognized only when the contingency is resolved and the consideration is paid or becomes payable. The amounts payable under the contingent consideration arrangement, if any, will be included in the measurement of the cost of the acquired subscriber relationships. An additional $16 and $22 of consideration was earned under the contingent consideration arrangement during the three months ended March 31, 2021 and 2020, respectively. Acquired intangible assets are subject to amortization. The following table summarizes acquired intangible assets at March 31, 2021 and December 31, 2020, respectively: Gross Carrying Amount Accumulated Amortization Net Carrying Value March 31, 2021 Subscriber relationships $ 8,007 $ 6,154 $ 1,853 Distribution rights 314 156 158 Internally developed software 446 446 — Proprietary content 153 153 — Intellectual property 2,284 2,284 — $ 11,204 $ 9,193 $ 2,011 December 31, 2020 Subscriber relationships $ 7,977 $ 5,958 $ 2,019 Distribution rights 311 76 235 Internally developed software 446 446 — Proprietary content 153 153 — Intellectual property 2,284 2,284 — $ 11,171 $ 8,917 $ 2,254 Amortization expense related to intangible assets was $276 and $248 for the three months ended March 31, 2021 and 2020, respectively. Amortization expense was categorized as general and administrative expense. As of March 31, 2021, the total weighted average remaining useful lives of the definite-lived intangible assets was 2.2 years and the weighted average remaining useful lives by the definite-lived intangible asset category are as follows: Intangible Asset Weighted Average Remaining Useful Life in Years Subscriber relationships 2.3 Distribution rights 0.5 Estimated future amortization expense remaining at March 31, 2021 for intangible assets acquired was as follows: Years ending December 31, Remainder of 2021 $ 747 2022 785 2023 312 2024 52 2025 52 Thereafter 63 Total future amortization expense $ 2,011 For definite-lived intangible assets, the Company assesses the carrying value of these assets whenever events or circumstances indicate that the carrying value may not be recoverable. Recoverability of assets to be held and used is measured by comparing the carrying amount of an asset, or asset group, to the future undiscounted cash flows expected to be generated by the asset, or asset group. The COVID-19 pandemic has impacted various aspects of the Company's operations, and the Company have been monitoring the impact of this global crisis carefully. The Company has particularly monitored the operations of KVH Media Group, which depends heavily on travel and travel-related industries. The revenues and cash flows of KVH Media Group have been significantly impacted by the global reduction in travel since the start of the pandemic. Prior to the Company's 2020 annual impairment test in the fourth quarter of 2020, based on the Company's quarterly review of the impact of this global crisis on the Company's forecasted revenues and cash flows, there were no indication of impairment to the carrying value of goodwill or other intangible assets. However, in the fourth quarter of 2020, there were increases in the number of reported COVID-19 cases, and substantial shutdowns were reinstated in the United States, UK and Europe, which caused continued disruptions to our KVH Media Group business as the global travel and related industries remained at historically depressed levels. In response to the impact of the pandemic, particularly with respect to the Company's KVH Media Group business, during the Company's 2020 annual budgeting and long-term planning process, the Company conducted detailed discussions with many of the Company's largest customers in the KVH Media Group to validate the Company's assumptions, which indicated further expected delays in recovery, and certain areas of the KVH Media Group business that may not recover completely or at all. Accordingly, the Company updated its long-term revenue and cash flow forecast to reflect these most recent observations. Based on the Company's other long-lived asset impairment analysis and annual goodwill impairment test, the Company recognized an intangible asset impairment charge of $1,758 and a goodwill impairment charge of $8,732 for the year ended December 31, 2020 related to KVH Media Group. As of March 31, 2021, the Company has reviewed, and will continue to review, the forecasted revenues and cash flows of our content business for possible indications that the goodwill or other intangible assets associated with this component of our business might be impaired. However, it is uncertain how long the global pandemic will continue to disrupt global businesses, particularly travel, and therefore it is possible that the value of these assets may become impaired in the future if the COVID-19 pandemic worsens or continues for a prolonged period. Our review indicates that, as of March 31, 2021, there are no indications of impairment.

Revenue from Contracts with Cus

Revenue from Contracts with Customers	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Revenue from Contracts with Customers	Revenue from Contracts with CustomersIn accordance with ASC 606, revenue is recognized when a customer obtains control of promised products and services. The amount of revenue recognized reflects the consideration which the Company expects to be entitled to receive in exchange for these products and services. Disaggregation of Revenue The following table summarizes net sales from contracts with customers for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 Mobile connectivity product, transferred at point in time $ 6,088 $ 5,986 Mobile connectivity product, transferred over time 803 606 Mobile connectivity service 23,616 22,304 Inertial navigation product 11,541 6,502 Inertial navigation service 244 1,170 Total net sales $ 42,292 $ 36,568 Revenue recognized during the three months ended March 31, 2021 and 2020 from amounts included in contract liabilities at the beginning of the period was $773 and $606, respectively. For mobile connectivity product sales, the delivery of the Company’s performance obligations are generally transferred to the customer at a point in time, therefore associated revenue is recognized at a point in time, with the exception of certain mini-VSAT Broadband contracts which are transferred to customers over time. For mobile connectivity service sales, the delivery of the Company’s performance obligations are transferred to the customer over time, therefore associated revenue is recognized over time. For inertial navigation product sales, the delivery of the Company’s performance obligations are generally transferred to the customer at a point in time, therefore associated revenue is recognized at a point in time. For inertial navigation service sales, the Company's performance obligations are generally transferred to customers over time, therefore associated revenue is recognized over time. Business and Credit Concentrations Concentrations of risk with respect to trade accounts receivable are generally limited due to the large number of customers and their dispersion across several geographic areas. Although the Company does not foresee that credit risk associated with these receivables will deviate from historical experience, repayment is dependent upon the financial stability of those individual customers. The Company establishes allowances for potential bad debts and evaluates, on a monthly basis, the adequacy of those reserves based upon historical experience and its expectations for future collectability concerns. The Company performs ongoing credit evaluations of the financial condition of its customers and generally does not require collateral. The Company had no customer that accounted for 10% or more of consolidated net sales for the three months ended March 31, 2021 or 2020 or accounts receivable at March 31, 2021 or December 31, 2020. Certain components from third parties used in the Company’s products are procured from single sources of supply. The failure of a supplier, including a subcontractor, to deliver on schedule could delay or interrupt the Company’s delivery of products and thereby materially adversely affect the Company’s revenues and operating results.

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s effective tax rate for the three months ended March 31, 2021 was 3.7% compared with (6.5)% for the corresponding period in the prior year. The effective income tax rate is based on estimated income for the year, the estimated composition of the income in different jurisdictions and discrete adjustments, if any, in the applicable periods, including retroactive changes in tax legislation, settlements of tax audits or assessments, and the resolution or identification of tax position uncertainties. For the three months ended March 31, 2021 and 2020, the effective tax rates were lower than the statutory tax rate primarily due to the Company maintaining a valuation allowance reserve on its US deferred tax assets and to the composition of income from foreign jurisdictions taxed at lower rates. As of March 31, 2021 and December 31, 2020, the Company had reserves for uncertain tax positions of $574 and $560, respectively. There were no material changes during the three months ended March 31, 2021 to the Company’s reserve for uncertain tax positions. The Company estimates that it is reasonably possible that the balance of unrecognized tax benefits as of March 31, 2021 may decrease $25 in the next twelve months as a result of a lapse of statutes of limitations and settlements with taxing authorities. The Company’s tax jurisdictions include the United States, the United Kingdom, Denmark, Cyprus, Norway, Brazil, Singapore, Hong Kong, Japan and India. In general, the statute of limitations with respect to the Company's United States federal income taxes has expired for years prior to 2017, and the relevant state and foreign statutes vary. However, preceding years remain open to examination by United States federal and state and foreign taxing authorities to the extent of future utilization of net operating losses and research and development tax credits generated in each preceding year.

Leases

Leases	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Leases	Leases The Company has operating leases for office facilities, equipment, and certain satellite service capacity and related equipment. Lease expense was $977 and $1,262 for the three months ended March 31, 2021 and 2020, respectively. Short-term operating lease costs were $57 and $61 for the three months ended March 31, 2021 and 2020, respectively. Sublease income was $34 for both the three months ended March 31, 2021 and 2020. Maturities of lease liabilities as of March 31, 2021 under operating leases having an initial or remaining non-cancelable term of one year or more are as follows: Remainder of 2021 $ 2,758 2022 1,662 2023 762 2024 421 2025 and thereafter 261 Total minimum lease payments $ 5,864 Less amount representing interest $ (391) Present value of net minimum operating lease payments $ 5,473 Less current installments of obligation under current-operating lease liabilities $ 2,973 Obligations under long-term operating lease liabilities, excluding current installments $ 2,500 Weighted-average remaining lease term - operating leases (years) 2.34 Weighted-average discount rate - operating leases 5.50 % During the first quarter of 2018, the Company entered into a five-year financing lease for three satellite hubs for its HTS network. During the first quarter of 2021, the terms of this lease were adjusted and the Company disposed of two satellite hubs in exchange for additional satellite service capacity. As of March 31, 2021, the gross cost and accumulated amortization associated with this lease for the remaining satellite hub is included in revenue generating assets and amounted to $1,268 and $574, respectively. The obligation under capital leases are stated at the present value of minimum lease payments. The property and equipment held under this financing lease are amortized on a straight-line basis over the seven-year estimated useful life of the asset, since the lease meets the bargain purchase option criteria. Amortization of assets held under financing leases is included within depreciation expense. Depreciation expense for the remaining capital asset was $45 for both the three months ended March 31, 2021 and 2020. The future minimum lease payments under this financing lease as of March 31, 2021 are: Remainder of 2021 $ 198 2022 264 2023 22 Total minimum lease payments $ 484 Less amount representing interest $ (7) Present value of net minimum financing lease payments $ 477 Less current installments of obligation under accrued other $ 259 Obligations under other long-term liabilities, excluding current installments $ 218 Weighted-average remaining lease term - finance leases (years) 1.92 Weighted-average discount rate - finance leases 1.53 % Lessor The Company enters into leases with certain customers primarily for the TracPhone mini-VSAT Broadband systems. These leases are classified as sales-type leases as title of the equipment transfers to the customer at the end of the lease term. The Company records the leases at a price typically equivalent to normal selling price and in excess of the cost or carrying amount. Upon delivery, the Company records the net present value of all payments under these leases as revenue, and the related costs of the product are charged to cost of sales. Interest income is recognized throughout the lease term (typically three The current portion of the net investment in these leases was $4,354 as of March 31, 2021 and the non-current portion of the net investment in these leases was $7,351 as of March 31, 2021. The current portion of the net investment in the leases is included in accounts receivable, net of allowance for doubtful accounts on the accompanying consolidated balance sheets and the non-current portion of the net investment in these leases is included in other non-current assets on the accompanying consolidated balance sheets. Interest income from sales-type leases was $231 and $197 during the three months ended March 31, 2021 and 2020, respectively. The future undiscounted cash flows from these leases as of March 31, 2021 are: Remainder of 2021 $ 4,153 2022 3,531 2023 2,926 2024 2,028 2025 693 2026 16 Total undiscounted cash flows $ 13,347 Present value of lease payments $ 11,705 Difference between undiscounted cash flows and discounted cash flows $ 1,642
Leases	Leases The Company has operating leases for office facilities, equipment, and certain satellite service capacity and related equipment. Lease expense was $977 and $1,262 for the three months ended March 31, 2021 and 2020, respectively. Short-term operating lease costs were $57 and $61 for the three months ended March 31, 2021 and 2020, respectively. Sublease income was $34 for both the three months ended March 31, 2021 and 2020. Maturities of lease liabilities as of March 31, 2021 under operating leases having an initial or remaining non-cancelable term of one year or more are as follows: Remainder of 2021 $ 2,758 2022 1,662 2023 762 2024 421 2025 and thereafter 261 Total minimum lease payments $ 5,864 Less amount representing interest $ (391) Present value of net minimum operating lease payments $ 5,473 Less current installments of obligation under current-operating lease liabilities $ 2,973 Obligations under long-term operating lease liabilities, excluding current installments $ 2,500 Weighted-average remaining lease term - operating leases (years) 2.34 Weighted-average discount rate - operating leases 5.50 % During the first quarter of 2018, the Company entered into a five-year financing lease for three satellite hubs for its HTS network. During the first quarter of 2021, the terms of this lease were adjusted and the Company disposed of two satellite hubs in exchange for additional satellite service capacity. As of March 31, 2021, the gross cost and accumulated amortization associated with this lease for the remaining satellite hub is included in revenue generating assets and amounted to $1,268 and $574, respectively. The obligation under capital leases are stated at the present value of minimum lease payments. The property and equipment held under this financing lease are amortized on a straight-line basis over the seven-year estimated useful life of the asset, since the lease meets the bargain purchase option criteria. Amortization of assets held under financing leases is included within depreciation expense. Depreciation expense for the remaining capital asset was $45 for both the three months ended March 31, 2021 and 2020. The future minimum lease payments under this financing lease as of March 31, 2021 are: Remainder of 2021 $ 198 2022 264 2023 22 Total minimum lease payments $ 484 Less amount representing interest $ (7) Present value of net minimum financing lease payments $ 477 Less current installments of obligation under accrued other $ 259 Obligations under other long-term liabilities, excluding current installments $ 218 Weighted-average remaining lease term - finance leases (years) 1.92 Weighted-average discount rate - finance leases 1.53 % Lessor The Company enters into leases with certain customers primarily for the TracPhone mini-VSAT Broadband systems. These leases are classified as sales-type leases as title of the equipment transfers to the customer at the end of the lease term. The Company records the leases at a price typically equivalent to normal selling price and in excess of the cost or carrying amount. Upon delivery, the Company records the net present value of all payments under these leases as revenue, and the related costs of the product are charged to cost of sales. Interest income is recognized throughout the lease term (typically three The current portion of the net investment in these leases was $4,354 as of March 31, 2021 and the non-current portion of the net investment in these leases was $7,351 as of March 31, 2021. The current portion of the net investment in the leases is included in accounts receivable, net of allowance for doubtful accounts on the accompanying consolidated balance sheets and the non-current portion of the net investment in these leases is included in other non-current assets on the accompanying consolidated balance sheets. Interest income from sales-type leases was $231 and $197 during the three months ended March 31, 2021 and 2020, respectively. The future undiscounted cash flows from these leases as of March 31, 2021 are: Remainder of 2021 $ 4,153 2022 3,531 2023 2,926 2024 2,028 2025 693 2026 16 Total undiscounted cash flows $ 13,347 Present value of lease payments $ 11,705 Difference between undiscounted cash flows and discounted cash flows $ 1,642
Leases	Leases The Company has operating leases for office facilities, equipment, and certain satellite service capacity and related equipment. Lease expense was $977 and $1,262 for the three months ended March 31, 2021 and 2020, respectively. Short-term operating lease costs were $57 and $61 for the three months ended March 31, 2021 and 2020, respectively. Sublease income was $34 for both the three months ended March 31, 2021 and 2020. Maturities of lease liabilities as of March 31, 2021 under operating leases having an initial or remaining non-cancelable term of one year or more are as follows: Remainder of 2021 $ 2,758 2022 1,662 2023 762 2024 421 2025 and thereafter 261 Total minimum lease payments $ 5,864 Less amount representing interest $ (391) Present value of net minimum operating lease payments $ 5,473 Less current installments of obligation under current-operating lease liabilities $ 2,973 Obligations under long-term operating lease liabilities, excluding current installments $ 2,500 Weighted-average remaining lease term - operating leases (years) 2.34 Weighted-average discount rate - operating leases 5.50 % During the first quarter of 2018, the Company entered into a five-year financing lease for three satellite hubs for its HTS network. During the first quarter of 2021, the terms of this lease were adjusted and the Company disposed of two satellite hubs in exchange for additional satellite service capacity. As of March 31, 2021, the gross cost and accumulated amortization associated with this lease for the remaining satellite hub is included in revenue generating assets and amounted to $1,268 and $574, respectively. The obligation under capital leases are stated at the present value of minimum lease payments. The property and equipment held under this financing lease are amortized on a straight-line basis over the seven-year estimated useful life of the asset, since the lease meets the bargain purchase option criteria. Amortization of assets held under financing leases is included within depreciation expense. Depreciation expense for the remaining capital asset was $45 for both the three months ended March 31, 2021 and 2020. The future minimum lease payments under this financing lease as of March 31, 2021 are: Remainder of 2021 $ 198 2022 264 2023 22 Total minimum lease payments $ 484 Less amount representing interest $ (7) Present value of net minimum financing lease payments $ 477 Less current installments of obligation under accrued other $ 259 Obligations under other long-term liabilities, excluding current installments $ 218 Weighted-average remaining lease term - finance leases (years) 1.92 Weighted-average discount rate - finance leases 1.53 % Lessor The Company enters into leases with certain customers primarily for the TracPhone mini-VSAT Broadband systems. These leases are classified as sales-type leases as title of the equipment transfers to the customer at the end of the lease term. The Company records the leases at a price typically equivalent to normal selling price and in excess of the cost or carrying amount. Upon delivery, the Company records the net present value of all payments under these leases as revenue, and the related costs of the product are charged to cost of sales. Interest income is recognized throughout the lease term (typically three The current portion of the net investment in these leases was $4,354 as of March 31, 2021 and the non-current portion of the net investment in these leases was $7,351 as of March 31, 2021. The current portion of the net investment in the leases is included in accounts receivable, net of allowance for doubtful accounts on the accompanying consolidated balance sheets and the non-current portion of the net investment in these leases is included in other non-current assets on the accompanying consolidated balance sheets. Interest income from sales-type leases was $231 and $197 during the three months ended March 31, 2021 and 2020, respectively. The future undiscounted cash flows from these leases as of March 31, 2021 are: Remainder of 2021 $ 4,153 2022 3,531 2023 2,926 2024 2,028 2025 693 2026 16 Total undiscounted cash flows $ 13,347 Present value of lease payments $ 11,705 Difference between undiscounted cash flows and discounted cash flows $ 1,642

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation The accompanying consolidated interim financial statements of KVH Industries, Inc. and its wholly owned subsidiaries have been prepared in accordance with accounting principles generally accepted in the United States of America. The Company
Significant Estimates and Assumptions and Other Significant Non-Recurring Transactions	Significant Estimates and Assumptions and Other Significant Non-Recurring Transactions The preparation of interim financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of the interim financial statements and the reported amounts of sales and expenses during the reporting periods. As described in the Company’s annual report on Form 10-K, the most significant estimates and assumptions by management affect the Company’s revenue recognition, valuation of accounts receivable, valuation of inventory, expected future cash flows including growth rates, discount rates, terminal values and other assumptions and estimates used to evaluate the recoverability of long-lived assets and goodwill, estimated fair values of long-lived assets, including goodwill, amortization methods and periods, certain accrued expenses and other related charges, stock-based compensation, contingent liabilities, forfeitures and key valuation assumptions for its share-based awards, estimated fulfillment costs for warranty obligations, tax reserves and recoverability of the Company’s net deferred tax assets and related valuation allowance, and the valuation of right-of-use assets and lease liabilities. The Company has reviewed these estimates and determined that these remain the most significant estimates for the three months ended March 31, 2021. Although the Company regularly assesses these estimates, actual results could differ materially from these estimates. Changes in estimates are recorded in the period in which they become known. The Company bases its estimates on historical experience and various other assumptions that it believes to be reasonable under the circumstances.
Accounting Standards Issued and Not Yet Adopted	Accounting Standards Issued and Not Yet Adopted ASC Update No. 2016-13, ASC Update No. 2018-19, ASC Update No. 2019-04, ASC Update No. 2019-05, ASC Update No. 2019-10, ASC Update No. 2019-11 and ASC Update No. 2020-02 In June 2016, the FASB issued ASC Update No. 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. The purpose of Update No. 2016-13 is to replace the incurred loss impairment methodology for financial assets measured at amortized cost with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information, including forecasted information, to develop credit loss estimates. In November 2018, the FASB issued ASC Update No. 2018-19, Codification Improvements to Topic 326, Financial Instruments—Credit Losses . This update introduced an expected credit loss methodology for the impairment of financial assets measured at amortized cost. The amendment also clarifies that receivables arising from operating leases are not within the scope of Subtopic 326-20. Instead, impairment of receivables arising from operating leases should be accounted for in accordance with Topic 842, Leases. In May 2019, the FASB issued ASC Update No. 2019-04, Codification Improvements to Topic 326, Financial Instruments—Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments. This update introduced clarifications of the Board’s intent with respect to accrued interest, the transfer between classifications or categories for loans and debt securities, recoveries, reinsurance recoverables, projects of interest rate environments for variable-rate financial instruments, costs to sell when foreclosure is probable, consideration of expected prepayments when determining the effective interest rate, vintage disclosures, and extension and renewal options. In May 2019, the FASB issued ASC Update No. 2019-05, Financial Instruments—Credit Losses (Topic 326): Targeted Transition Relief . The amendments in the update ease the transition for entities adopting ASC Update 2016-13 and increase the comparability of financial statement information. With the exception of held-to-maturity debt securities, the amendments allow entities to irrevocably elect to apply the fair value option to financial instruments that were previously recorded at amortized cost basis within the scope of Subtopic 326-20, Financial Instruments—Credit Losses—Measured at Amortized Cost . In November 2019, the FASB issued ASC Update No. 2019-10, Financial Instruments—Credit Losses (Topic 326), Derivatives and Hedging (Topic 815), and Leases (Topic 842): Effective Dates. The amendments in this update change some effective dates for certain new accounting standards including those pertaining to Topic 326 discussed above, for certain types of entities. In November 2019, the FASB issued ASC Update No. 2019-11, Codification Improvements to Topic 326, Financial Instruments—Credit Losses (Topic 326). The update is effective for entities that have adopted ASU 2016-13. The purpose of Update No. 2019-11 is to clarify the scope of the recovery guidance to purchased financial assets with credit deterioration. In February 2020, the FASB issued ASC Update No. 2020-02, Financial Instruments – Credit Losses (Topic 326) and Leases (Topic 842). The purpose of Update No. 2020-02 is to clarify the scope and interpretation of the standard. As a smaller reporting entity for Topic 326, the effective date will be the fiscal year beginning after December 15, 2022. The adoption of Update Nos. 2016-13, 2018-19, 2019-04, 2019-05, 2019-10, 2019-11 and 2020-20 is not expected to have a material impact on the Company's financial position or results of operations. There are no other recent accounting pronouncements issued by the FASB that the Company expects would have a material impact on the Company's financial statements.
Share-based Payment Arrangement	The Company recognizes stock-based compensation in accordance with the provisions of ASC Topic 718, Compensation-Stock Compensation
Fair Value Measurement	ASC Topic 820, Fair Value Measurements and Disclosures (ASC 820), provides a framework for measuring fair value and requires expanded disclosures regarding fair value measurements. ASC 820 defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. ASC 820 also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. ASC 820 describes three levels of inputs that may be used to measure fair value: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. The Company’s Level 1 assets are investments in money market mutual funds and United States treasuries. Level 2: Quoted prices for similar assets or liabilities in active markets; or observable prices that are based on observable market data, based on directly or indirectly market-corroborated inputs. The Company has no Level 2 assets or liabilities. Level 3: Unobservable inputs that are supported by little or no market activity, and are developed based on the best information available given the circumstances. The Company has no Level 3 assets. Assets and liabilities measured at fair value are based on the valuation techniques identified in the table below.

Marketable Securities (Tables)

Marketable Securities (Tables)	3 Months Ended
	Mar. 31, 2021
Marketable Securities [Abstract]
Marketable Securities	Marketable securities as of March 31, 2021 and December 31, 2020 consisted of the following: March 31, 2021 Amortized Gross Gross Fair Money market mutual funds $ 25,143 $ — $ — $ 25,143 Total marketable securities designated as available-for-sale $ 25,143 $ — $ — $ 25,143 December 31, 2020 Amortized Gross Gross Fair Money market mutual funds $ 20,142 $ — $ — $ 20,142 United States treasuries 4,999 — — 4,999 Total marketable securities designated as available-for-sale $ 25,141 $ — $ — $ 25,141

Stockholder's Equity (Tables)

Stockholder's Equity (Tables)	3 Months Ended
	Mar. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract]
Schedule of share-based payment award, stock options, valuation assumptions	The weighted average assumptions utilized to determine the fair value of options granted during the three months ended March 31, 2021 and 2020 are as follows: Three Months Ended March 31, 2021 2020 Risk-free interest rate 0.92 % 0 % Expected volatility 44.98 % 0 % Expected life (in years) 4.28 0.00 Dividend yield 0 % 0 %
Schedule of share-based compensation, employee stock purchase plan	The following table presents stock-based compensation expense, including under the ESPP, in the Company's consolidated statements of operations for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 Cost of product sales $ 46 $ 40 Cost of service sales 2 — Research and development 156 153 Sales, marketing and support 190 154 General and administrative 538 458 $ 932 $ 805
Schedule of accumulated other comprehensive income (loss)	The balances for the three months ended March 31, 2021 and 2020 are as follows: Foreign Currency Translation Total Accumulated Other Comprehensive Loss Balance, December 31, 2020 $ (3,232) $ (3,232) Other comprehensive income 223 223 Net other comprehensive income 223 223 Balance, March 31, 2021 $ (3,009) $ (3,009) Foreign Currency Translation Total Accumulated Other Comprehensive Loss Balance, December 31, 2019 $ (2,767) $ (2,767) Other comprehensive loss (2,480) (2,480) Net other comprehensive loss (2,480) (2,480) Balance, March 31, 2020 $ (5,247) $ (5,247)

Net Loss per Common Share (Tabl

Net Loss per Common Share (Tables)	3 Months Ended
	Mar. 31, 2021
Earnings Per Share [Abstract]
Schedule of reconciliation of basic and diluted weighted average common shares outstanding	A reconciliation of the basic and diluted weighted average common shares outstanding is as follows: Three Months Ended March 31, 2021 2020 Weighted average common shares outstanding—basic 17,938 17,529 Dilutive common shares issuable in connection with stock plans — — Weighted average common shares outstanding—diluted 17,938 17,529

Inventories (Tables)

Inventories (Tables)	3 Months Ended
	Mar. 31, 2021
Inventory Disclosure [Abstract]
Components of inventories	Components of inventories consist of the following: March 31, December 31, Raw materials $ 12,999 $ 13,957 Work in process 3,157 3,996 Finished goods 6,617 6,721 $ 22,773 $ 24,674

Property and Equipment (Tables)

Property and Equipment (Tables)	3 Months Ended
	Mar. 31, 2021
Property, Plant and Equipment [Abstract]
Property and Equipment	Property and equipment, net, as of March 31, 2021 and December 31, 2020 consist of the following: March 31, December 31, Land $ 3,828 $ 3,828 Building and improvements 24,206 24,197 Leasehold improvements 481 482 Machinery and equipment 15,841 15,536 Revenue-generating assets 54,392 56,336 Office and computer equipment 14,147 13,855 Motor vehicles 31 31 112,926 114,265 Less accumulated depreciation (55,815) (57,992) $ 57,111 $ 56,273

Product Warranty (Tables)

Product Warranty (Tables)	3 Months Ended
	Mar. 31, 2021
Product Warranties Disclosures [Abstract]
Summary of product warranty activity	The following table summarizes product warranty activity during 2021 and 2020: Three Months Ended March 31, 2021 2020 Beginning balance $ 1,812 $ 2,194 Charges to expense 61 470 Costs incurred (239) (452) Ending balance $ 1,634 $ 2,212

Debt (Tables)

Debt (Tables)	3 Months Ended
	Mar. 31, 2021
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	March 31, December 31, PPP loan $ 6,927 $ 6,927 Total long-term debt 6,927 6,927 Less amounts classified as current 6,152 4,992 Long-term debt, excluding current portion $ 775 $ 1,935

Segment Reporting (Tables)

Segment Reporting (Tables)	3 Months Ended
	Mar. 31, 2021
Segment Reporting [Abstract]
Schedule of operations by geographic segment	Net sales and operating income (loss) for the Company's reporting segments and the Company's loss before income tax (benefit) expense for the three months ended March 31, 2021 and 2020 were as follows: Three Months Ended March 31, 2021 2020 Net sales: Mobile connectivity $ 30,507 $ 28,896 Inertial navigation 11,785 7,672 Consolidated net sales $ 42,292 $ 36,568 Operating (loss) income: Mobile connectivity $ (397) $ (2,299) Inertial navigation 2,090 (821) Subtotal 1,693 (3,120) Unallocated, net (5,300) (4,528) Loss from operations (3,607) (7,648) Net interest and other (expense) income (574) 1,811 Loss before income tax (benefit) expense $ (4,181) $ (5,837) Depreciation expense and amortization expense for the Company's reporting segments for the three months ended March 31, 2021 and 2020 were as follows: Three Months Ended March 31, 2021 2020 Depreciation expense: Mobile connectivity $ 2,521 $ 1,958 Inertial navigation 384 293 Unallocated 169 151 Total consolidated depreciation expense $ 3,074 $ 2,402 Amortization expense: Mobile connectivity $ 276 $ 248 Inertial navigation — — Unallocated — — Total consolidated amortization expense $ 276 $ 248

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	3 Months Ended
	Mar. 31, 2021
Fair Value Disclosures [Abstract]
Schedule of assets measured at fair value on recurring basis	The following tables present financial assets and liabilities at March 31, 2021 and December 31, 2020 for which the Company measures fair value on a recurring basis, by level, within the fair value hierarchy: March 31, 2021 Total Level 1 Level 2 Level 3 Valuation Assets Money market mutual funds $ 25,143 $ 25,143 $ — $ — (a) December 31, 2020 Total Level 1 Level 2 Level 3 Valuation Assets Money market mutual funds $ 20,142 $ 20,142 $ — $ — (a) United States treasuries 4,999 4,999 — — (a) (a) Market approach—prices and other relevant information generated by market transactions involving identical or comparable assets.

Goodwill and Intangible Assets

Goodwill and Intangible Assets (Tables)	3 Months Ended
	Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of goodwill	The following table sets forth the changes in the carrying amount of goodwill for the three months ended March 31, 2021: Amounts Balance at December 31, 2020 $ 6,592 Foreign currency translation adjustment 19 Balance at March 31, 2021 $ 6,611
Schedule of finite-lived intangible assets	The changes in the carrying amount of intangible assets during the three months ended March 31, 2021 are as follows: Amounts Balance at December 31, 2020 $ 2,254 Amortization expense (276) Intangible assets acquired in asset acquisition 16 Foreign currency translation adjustment 17 Balance at March 31, 2021 $ 2,011 Acquired intangible assets are subject to amortization. The following table summarizes acquired intangible assets at March 31, 2021 and December 31, 2020, respectively: Gross Carrying Amount Accumulated Amortization Net Carrying Value March 31, 2021 Subscriber relationships $ 8,007 $ 6,154 $ 1,853 Distribution rights 314 156 158 Internally developed software 446 446 — Proprietary content 153 153 — Intellectual property 2,284 2,284 — $ 11,204 $ 9,193 $ 2,011 December 31, 2020 Subscriber relationships $ 7,977 $ 5,958 $ 2,019 Distribution rights 311 76 235 Internally developed software 446 446 — Proprietary content 153 153 — Intellectual property 2,284 2,284 — $ 11,171 $ 8,917 $ 2,254 As of March 31, 2021, the total weighted average remaining useful lives of the definite-lived intangible assets was 2.2 years and the weighted average remaining useful lives by the definite-lived intangible asset category are as follows: Intangible Asset Weighted Average Remaining Useful Life in Years Subscriber relationships 2.3 Distribution rights 0.5
Schedule of expected amortization expense	Estimated future amortization expense remaining at March 31, 2021 for intangible assets acquired was as follows: Years ending December 31, Remainder of 2021 $ 747 2022 785 2023 312 2024 52 2025 52 Thereafter 63 Total future amortization expense $ 2,011

Revenue from Contracts with C_2

Revenue from Contracts with Customers (Tables)	3 Months Ended
	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Net Sales from Contracts with Customers	The following table summarizes net sales from contracts with customers for the three months ended March 31, 2021 and 2020: Three Months Ended March 31, 2021 2020 Mobile connectivity product, transferred at point in time $ 6,088 $ 5,986 Mobile connectivity product, transferred over time 803 606 Mobile connectivity service 23,616 22,304 Inertial navigation product 11,541 6,502 Inertial navigation service 244 1,170 Total net sales $ 42,292 $ 36,568

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2021
Leases [Abstract]
Future minimum lease payments under operating leases	Maturities of lease liabilities as of March 31, 2021 under operating leases having an initial or remaining non-cancelable term of one year or more are as follows: Remainder of 2021 $ 2,758 2022 1,662 2023 762 2024 421 2025 and thereafter 261 Total minimum lease payments $ 5,864 Less amount representing interest $ (391) Present value of net minimum operating lease payments $ 5,473 Less current installments of obligation under current-operating lease liabilities $ 2,973 Obligations under long-term operating lease liabilities, excluding current installments $ 2,500 Weighted-average remaining lease term - operating leases (years) 2.34 Weighted-average discount rate - operating leases 5.50 %
Future minimum lease payments under finance leases	The future minimum lease payments under this financing lease as of March 31, 2021 are: Remainder of 2021 $ 198 2022 264 2023 22 Total minimum lease payments $ 484 Less amount representing interest $ (7) Present value of net minimum financing lease payments $ 477 Less current installments of obligation under accrued other $ 259 Obligations under other long-term liabilities, excluding current installments $ 218 Weighted-average remaining lease term - finance leases (years) 1.92 Weighted-average discount rate - finance leases 1.53 %
Sales-type lease, future undiscounted cash flows	The future undiscounted cash flows from these leases as of March 31, 2021 are: Remainder of 2021 $ 4,153 2022 3,531 2023 2,926 2024 2,028 2025 693 2026 16 Total undiscounted cash flows $ 13,347 Present value of lease payments $ 11,705 Difference between undiscounted cash flows and discounted cash flows $ 1,642

Description of Business (Detail

Description of Business (Details)	3 Months Ended
	Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Leased assets, useful life	5 years

Marketable Securities (Details)

Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 25,143	$ 25,141
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	25,143	25,141
Money market mutual funds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	25,143	20,142
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 25,143	20,142
United States treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		4,999
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Fair Value		$ 4,999

Marketable Securities - Narrati

Marketable Securities - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Marketable Securities [Abstract]
Interest income, money market deposits	$ 2	$ 113

Stockholder's Equity - Narrativ

Stockholder's Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 932	$ 805
Stock options issued ESPP (in shares)	0	20,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 924	$ 789
Unrecognized compensation expense	$ 5,300
Weighted-average period of recognition	2 years 11 months 15 days
Stock options exercised (in shares)	154,000
Stock options exercised, delivered to company	$ 1,566
Stock options granted (in shares)	496,000	0
Shares surrendered (in shares)	0
Stock options expired (in shares)	21,000
Stock options outstanding (in shares)	2,357,000
Stock options outstanding, weighted average exercise price (in USD per share)	$ 9.89
Stock options exercisable (in shares)	578,000
Exercisable stock options, weighted average exercise price (in USD per share)	$ 9.40
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 5,198
Weighted-average period of recognition	2 years 10 months 17 days
Shares surrendered (in shares)	0
Restricted stock (in shares)	149,000
Restricted stock, weighted average price (in USD per share)	$ 12.66
Restricted stock award, forfeitures, less than (in shares)	1,000
Restricted stock vested (in shares)	67,000
Restricted stock outstanding (in shares)	637,000
Unvested outstanding options (in shares)	0
Performance-Based or Market-Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested outstanding options (in shares)	0
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 8	$ 16
ESPP Plan | Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of Company's common stock share price	85.00%

Stockholder's Equity - Valuatio

Stockholder's Equity - Valuation Assumptions (Details) - Stock Options	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.92%	0.00%
Expected volatility	44.98%	0.00%
Expected life (in years)	4 years 3 months 10 days	0 years
Dividend yield	0.00%	0.00%

Stockholder's Equity - Schedule

Stockholder's Equity - Schedule of Stock Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	$ 932	$ 805
Cost of product sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	46	40
Cost of service sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	2	0
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	156	153
Sales, marketing and support
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	190	154
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment	$ 538	$ 458

Stockholder's Equity - Schedu_2

Stockholder's Equity - Schedule of AOCI (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
AOCI Attributable to Parent [Roll Forward]
Beginning balance		$ 131,884	$ 149,989
Net other comprehensive income (loss)	[1]	223	(2,480)
Ending balance		130,569	141,877
Foreign Currency Translation
AOCI Attributable to Parent [Roll Forward]
Beginning balance		(3,232)	(2,767)
Other comprehensive income (loss)		223	(2,480)
Net other comprehensive income (loss)		223	(2,480)
Ending balance		(3,009)	(5,247)
Total Accumulated Other Comprehensive Loss
AOCI Attributable to Parent [Roll Forward]
Beginning balance		(3,232)	(2,767)
Other comprehensive income (loss)		223	(2,480)
Net other comprehensive income (loss)		223	(2,480)
Ending balance		$ (3,009)	$ (5,247)
[1]	Tax impact was nominal for all periods.

Net Loss per Common Share - Nar

Net Loss per Common Share - Narrative (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	520	1,341

Net Loss per Common Share - Rec

Net Loss per Common Share - Reconciliation of Basic and Diluted Weighted Average Common Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Schedule of reconciliation of basic and diluted weighted average common shares outstanding
Weighted average common shares outstanding—basic (in shares)	17,938	17,529
Dilutive common shares issuable in connection with stock plans (in shares)	0	0
Weighted average common shares outstanding—diluted (in shares)	17,938	17,529

Inventories (Details)

Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Components of inventories
Raw materials	$ 12,999	$ 13,957
Work in process	3,157	3,996
Finished goods	6,617	6,721
Inventories, net	$ 22,773	$ 24,674

Property and Equipment (Details

Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 112,926	$ 114,265
Less accumulated depreciation	(55,815)	(57,992)
Property and equipment, less accumulated depreciation	57,111	56,273
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,828	3,828
Building and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	24,206	24,197
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	481	482
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	15,841	15,536
Revenue-generating assets
Property, Plant and Equipment [Line Items]
Property and equipment, gross	54,392	56,336
Office and computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,147	13,855
Motor vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 31	$ 31

Property and Equipment - Narrat

Property and Equipment - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Property, Plant and Equipment [Abstract]
Depreciation	$ 3,074	$ 2,402

Product Warranty - Narrative (D

Product Warranty - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Product Warranty (Textual) [Abstract]
Accrued product warranty costs	$ 1,634	$ 1,812
Minimum
Product Warranty (Textual) [Abstract]
Limited warranty period on product	1 year
Maximum
Product Warranty (Textual) [Abstract]
Limited warranty period on product	2 years

Product Warranty - Schedule of

Product Warranty - Schedule of Product Warranty Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Summary of product warranty activity
Beginning balance	$ 1,812	$ 2,194
Charges to expense	61	470
Costs incurred	(239)	(452)
Ending balance	$ 1,634	$ 2,212

Debt - Summary of Long-Term Deb

Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	May 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 6,927	$ 6,927
Less amounts classified as current	6,152	4,992
Long-term debt, excluding current portion	775	1,935
PPP Loan
Debt Instrument [Line Items]
Long-term debt	$ 6,927	$ 6,927	$ 6,927

Debt - Narrative (Details)

Debt - Narrative (Details)	Jun. 27, 2019USD ($)	Oct. 30, 2018USD ($)covenant	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)	May 31, 2020USD ($)	Jan. 01, 2020USD ($)	Dec. 31, 2019USD ($)
Debt Instrument [Line Items]
Long-term debt			$ 6,927,000	$ 6,927,000
2018 Term Notes
Debt Instrument [Line Items]
Repayments of long-term debt	$ 21,375,000
PPP Loan
Debt Instrument [Line Items]
Long-term debt			6,927,000	$ 6,927,000	$ 6,927,000
Line of Credit | Senior Credit Facility | 2018 Term Notes
Debt Instrument [Line Items]
Credit facility term		3 years
Maximum available for borrowing		$ 42,500,000
Line of Credit | Senior Credit Facility | Term Loan
Debt Instrument [Line Items]
Maximum available for borrowing		22,500,000
Line of Credit | Senior Credit Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt			0
Maximum available for borrowing		$ 20,000,000	$ 15,000,000			$ 15,000,000	$ 20,000,000
Repayments of line of credit borrowings	$ 13,000,000
Line of Credit | Senior Credit Facility | Line of Credit
Debt Instrument [Line Items]
Number of financial covenants | covenant		2
Covenant compliance, maximum consolidated fixed charge coverage ratio		1.25
Line of Credit | Senior Credit Facility | Line of Credit | Debt Covenant Period, One
Debt Instrument [Line Items]
Covenant compliance, maximum consolidated leverage ratio		2.50
Line of Credit | Senior Credit Facility | Line of Credit | Debt Covenant Period, Two
Debt Instrument [Line Items]
Covenant compliance, maximum consolidated leverage ratio		2

Segment Reporting - Narrative (

Segment Reporting - Narrative (Details) - Revenue Benchmark	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Mobile connectivity | Mobile Comm Product Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	16.00%	18.00%
Mobile connectivity | VSAT Airtime Service Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	51.00%	53.00%
Inertial navigation | FOG System Sales | Product Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	14.00%	14.00%
Inertial navigation | TACNAV | Product Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	12.00%	3.00%
Non-US | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	62.00%	58.00%
Singapore | Geographic Concentration Risk
Segment Reporting Information [Line Items]
Percent of consolidated net sales	10.00%	11.00%

Segment Reporting - Net Sales a

Segment Reporting - Net Sales and Operating Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Net sales	$ 42,292	$ 36,568
Operating (loss) income	(3,607)	(7,648)
Net interest and other (expense) income	(574)	1,811
Loss before income tax (benefit) expense	(4,181)	(5,837)
Operating Segments
Segment Reporting Information [Line Items]
Operating (loss) income	1,693	(3,120)
Operating Segments | Mobile connectivity
Segment Reporting Information [Line Items]
Net sales	30,507	28,896
Operating (loss) income	(397)	(2,299)
Operating Segments | Inertial navigation
Segment Reporting Information [Line Items]
Net sales	11,785	7,672
Operating (loss) income	2,090	(821)
Unallocated
Segment Reporting Information [Line Items]
Operating (loss) income	$ (5,300)	$ (4,528)

Segment Reporting - Deprecation

Segment Reporting - Deprecation and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Depreciation expense	$ 3,074	$ 2,402
Amortization expense	276	248
Operating Segments | Mobile connectivity
Segment Reporting Information [Line Items]
Depreciation expense	2,521	1,958
Amortization expense	276	248
Operating Segments | Inertial navigation
Segment Reporting Information [Line Items]
Depreciation expense	384	293
Amortization expense	0	0
Unallocated
Segment Reporting Information [Line Items]
Depreciation expense	169	151
Amortization expense	$ 0	$ 0

Share Buyback Program (Details)

Share Buyback Program (Details) - USD ($) $ in Thousands	1 Months Ended	18 Months Ended
	Jan. 31, 2020	Mar. 31, 2021	Oct. 04, 2019
Disclosure of Repurchase Agreements [Abstract]
Common stock available for repurchase (in shares) (up to)			1,000,000
Common stock repurchase program (in shares)	36,000	151,000
Common stock repurchase cost	$ 390	$ 1,690

Fair Value Measurements (Detail

Fair Value Measurements (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill and other intangible asset impairment	$ 0	$ 10,490,000
Money market mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	25,143,000	20,142,000
United States treasuries
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		4,999,000
Fair Value, Inputs, Level 1 | Money market mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	25,143,000	20,142,000
Fair Value, Inputs, Level 1 | United States treasuries
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		4,999,000
Fair Value, Inputs, Level 2 | Money market mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0	0
Fair Value, Inputs, Level 2 | United States treasuries
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		0
Fair Value, Inputs, Level 3 | Money market mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 0	0
Fair Value, Inputs, Level 3 | United States treasuries
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets		$ 0

Goodwill and Intangible Asset_2

Goodwill and Intangible Assets - Goodwill Changes in Carrying Amount (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 6,592
Foreign currency translation adjustment	19
Ending balance	$ 6,611

Goodwill and Intangible Asset_3

Goodwill and Intangible Assets - Intangible Assets Changes in Carrying Amount (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Finite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 2,254
Amortization expense	(276)
Intangible assets acquired in asset acquisition	16	$ 22
Foreign currency translation adjustment	17
Ending balance	$ 2,011

Goodwill and Intangible Asset_4

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		12 Months Ended	120 Months Ended
	Jan. 31, 2017	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2026
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 16	$ 22
Amortization expense		276
General and administrative
Finite-Lived Intangible Assets [Line Items]
Amortization expense		$ 276	$ 248
KVH Media Group Reporting Unit
Finite-Lived Intangible Assets [Line Items]
Intangible asset impairment charge				$ 1,758
Goodwill impairment charge				$ 8,732
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives		7 years
Headland Media Limited | Subscriber relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives		10 years
Headland Media Limited | Distribution rights
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives		1 year		15 years
Q1 2017 Acquisition
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		$ 362
Q1 2017 Acquisition | Maximum | Forecast
Finite-Lived Intangible Assets [Line Items]
Contingent consideration, value, high					$ 114
Q1 2017 Acquisition | Subscriber relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful lives	10 years
Finite-lived intangible assets acquired	$ 100

Goodwill and Intangible Asset_5

Goodwill and Intangible Assets - Goodwill and Intangible Assets Subject to Amortization (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 11,204	$ 11,171
Accumulated Amortization	9,193	8,917
Net Carrying Value	2,011	2,254
Subscriber relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,007	7,977
Accumulated Amortization	6,154	5,958
Net Carrying Value	1,853	2,019
Distribution rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	314	311
Accumulated Amortization	156	76
Net Carrying Value	158	235
Internally developed software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	446	446
Accumulated Amortization	446	446
Net Carrying Value	0	0
Proprietary content
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	153	153
Accumulated Amortization	153	153
Net Carrying Value	0	0
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,284	2,284
Accumulated Amortization	2,284	2,284
Net Carrying Value	$ 0	$ 0

Goodwill and Intangible Asset_6

Goodwill and Intangible Assets - Intangible Asset Remaining Useful Life (Details)	3 Months Ended
	Mar. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful lives	2 years 2 months 12 days
Subscriber relationships
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful lives	2 years 3 months 18 days
Distribution rights
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful lives	6 months

Goodwill and Intangible Asset_7

Goodwill and Intangible Assets - Future Amortization Expense Remaining (Details) $ in Thousands	Mar. 31, 2021USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2021	$ 747
2022	785
2023	312
2024	52
2025	52
Thereafter	63
Total future amortization expense	$ 2,011

Revenue from Contracts with C_3

Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 42,292	$ 36,568
Mobile connectivity product sales | Mobile connectivity | Transferred at point in time
Disaggregation of Revenue [Line Items]
Net sales	6,088	5,986
Mobile connectivity product sales | Mobile connectivity | Transferred over time
Disaggregation of Revenue [Line Items]
Net sales	803	606
Mobile connectivity service | Mobile connectivity
Disaggregation of Revenue [Line Items]
Net sales	23,616	22,304
Inertial navigation product | Inertial navigation
Disaggregation of Revenue [Line Items]
Net sales	11,541	6,502
Inertial navigation service | Inertial navigation
Disaggregation of Revenue [Line Items]
Net sales	$ 244	$ 1,170

Revenue from Contracts with C_4

Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue from Contract with Customer [Abstract]
Revenue recognized	$ 773	$ 606

Revenue from Contracts with C_5

Revenue from Contracts with Customers - Financial Statement Line Items as Filed and as Adjusted Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net loss	$ (4,028)	$ (6,214)
Product sales	42,292	36,568
Sales, marketing and support expenses	7,546	8,700
Accumulated deficit	(6,430)		$ (2,402)
Current contract assets	(1,211)		(1,086)
Non-current contract assets	(2,153)		(2,661)
Current contract liabilities	(4,531)		(4,445)
Non-current contract liabilities	(4,001)		(4,688)
Non-current deferred income tax asset	(35)		$ (73)
Product
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Product sales	18,432	13,094
Cost of product sales	$ 11,220	$ 9,636

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	3.70%	(6.50%)
Liability for uncertain tax positions	$ 574		$ 560
Decrease in unrecognized tax benefits is reasonably possible	$ 25

Leases - Narrative (Details)

Leases - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)hub	Mar. 31, 2020USD ($)	Dec. 31, 2020USD ($)	Mar. 31, 2018hub
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 977	$ 1,262
Short-term lease costs	57	61
Sublease income	$ 34
Finance lease term				5 years
Number of satellite hubs leased | hub				3
Number of satellite hubs disposed | hub	2
Finance lease, gross cost	$ 112,926		$ 114,265
Finance lease, accumulated depreciation	$ 55,815		$ 57,992
Leased assets, useful life	5 years
Capital asset depreciation expense	$ 45	45
Net investment in lease, current	4,354
Net investment in lease, noncurrent	7,351
Sales-type lease, interest income	231	$ 197
Assets Held Under Finance Leases
Lessee, Lease, Description [Line Items]
Finance lease, gross cost	1,268
Finance lease, accumulated depreciation	$ 574
Leased assets, useful life	7 years
Minimum
Lessee, Lease, Description [Line Items]
Sales-type leases, term of contracts	3 years
Maximum
Lessee, Lease, Description [Line Items]
Sales-type leases, term of contracts	5 years

Leases - Future Minimum Operati

Leases - Future Minimum Operating Lease Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Remainder of 2021	$ 2,758
2022	1,662
2023	762
2024	421
2025 and thereafter	261
Total minimum lease payments	5,864
Less amount representing interest	(391)
Present value of net minimum operating lease payments	5,473
Less current installments of obligation under current-operating lease liabilities	2,973	$ 3,826
Obligations under long-term operating lease liabilities, excluding current installments	$ 2,500	$ 3,204
Weighted-average remaining lease term - operating leases	2 years 4 months 2 days
Weighted-average discount rate - operating leases	5.50%

Leases - Future Minimum Finance

Leases - Future Minimum Finance Lease Payments (Details) $ in Thousands	Mar. 31, 2021USD ($)
Leases [Abstract]
Remainder of 2021	$ 198
2022	264
2023	22
Total minimum lease payments	484
Less amount representing interest	(7)
Present value of net minimum financing lease payments	477
Less current installments of obligation under accrued other	259
Obligations under other long-term liabilities, excluding current installments	$ 218
Weighted-average remaining lease term - finance leases (years)	1 year 11 months 1 day
Weighted-average discount rate - finance leases	1.53%

Leases - Sales-type Lease Futur

Leases - Sales-type Lease Future Undiscounted Cash Flows (Details) $ in Thousands	Mar. 31, 2021USD ($)
Leases [Abstract]
Remainder of 2021	$ 4,153
2022	3,531
2023	2,926
2024	2,028
2025	693
2026	16
Total undiscounted cash flows	13,347
Present value of lease payments	11,705
Difference between undiscounted cash flows and discounted cash flows	$ 1,642