Genasys (GNSS) 10-Q 18 May 18 2018 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Mar. 31, 2018	May 11, 2018
Document Information [Line Items]
Entity Registrant Name	LRAD Corp
Entity Central Index Key	924,383
Trading Symbol	lrad
Current Fiscal Year End Date	--09-30
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		32,394,288
Document Type	10-Q
Document Period End Date	Mar. 31, 2018
Document Fiscal Year Focus	2,018
Document Fiscal Period Focus	Q2
Amendment Flag	false

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Current assets:
Cash and cash equivalents	$ 12,732,882	$ 12,764,421
Short-term marketable securities	4,063,109	4,359,542
Restricted cash	363,745	39,466
Accounts receivable, net	5,718,396	5,681,882
Inventories, net	5,443,342	5,257,234
Prepaid expenses and other	845,831	983,322
Total current assets	29,167,305	29,085,867
Long-term marketable securities	991,178	711,124
Deferred tax assets, net	5,463,661	8,331,000
Long-term restricted cash	104,146
Property and equipment, net	483,467	509,603
Goodwill	2,603,687
Intangible assets, net	1,833,847	55,689
Other assets	242,196	164,517
Total assets	40,889,487	38,857,800
Current liabilities:
Accounts payable	1,890,427	1,112,366
Accrued liabilities	3,414,362	2,561,395
Notes payable, current portion	896,317
Total current liabilities	6,201,106	3,673,761
Notes payable, less current portion	269,231
Total liabilities	6,470,337	3,673,761
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred stock, $0.00001 par value; 5,000,000 shares authorized; none issued and outstanding	0	0
Common stock, $0.00001 par value; 50,000,000 shares authorized; 32,394,288 and 32,158,436 shares issued and outstanding, respectively	322	322
Additional paid-in capital	88,426,807	87,956,839
Accumulated deficit	(53,994,197)	(52,771,853)
Accumulated other comprehensive loss	(13,782)	(1,269)
Total stockholders' equity	34,419,150	35,184,039
Total liabilities and stockholders' equity	$ 40,889,487	$ 38,857,800

Condensed Consolidated Balance3

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Mar. 31, 2018	Sep. 30, 2017
Preferred stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, authorized (in shares)	50,000,000	50,000,000
Common stock, issued (in shares)	32,394,288	32,158,436
Common stock, outstanding (in shares)	32,394,288	32,158,436

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Revenues	$ 7,868,448	$ 5,742,391	$ 15,497,015	$ 8,683,726
Cost of revenues	3,832,468	2,808,546	7,503,494	4,525,370
Gross profit	4,035,980	2,933,845	7,993,521	4,158,356
Operating expenses:
Selling, general and administrative	2,517,891	1,893,045	4,706,289	3,859,480
Research and development	913,935	605,239	1,691,972	1,192,650
Total operating expenses	3,431,826	2,498,284	6,398,261	5,052,130
Income (loss) from operations	604,154	435,561	1,595,260	(893,774)
Other income	15,205	32,074	49,735	62,202
Income (loss) before income taxes	619,359	467,635	1,644,995	(831,572)
Income tax expense (benefit)	158,451	169,285	2,867,339	(317,243)
Net income (loss)	$ 460,908	$ 298,350	$ (1,222,344)	$ (514,329)
Net income (loss) per common share - basic and diluted (in dollars per share)	$ 0.01	$ 0.01	$ (0.04)	$ (0.02)
Weighted average common shares outstanding: - basic and diluted
Basic (in shares)	32,275,647	31,800,103	32,212,286	31,800,103
Diluted (in shares)	33,299,206	31,863,902	32,212,286	31,800,103
Product [Member]
Revenues:
Revenues	$ 7,125,258	$ 5,471,613	$ 14,461,283	$ 8,173,572
Service [Member]
Revenues:
Revenues	$ 743,190	$ 270,778	$ 1,035,732	$ 510,154

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net income (loss)	$ 460,908	$ 298,350	$ (1,222,344)	$ (514,329)
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on marketable securities, net of tax	(8,837)	4,332	(16,868)	(1,978)
Unrealized foreign currency gain, net of tax	4,355		4,355
Comprehensive income (loss)	$ 456,426	$ 302,682	$ (1,234,857)	$ (516,307)

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Activities:
Net (loss)	$ (1,222,344)	$ (514,329)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	193,809	62,834
Warranty provision	12,361	111,369
Inventory obsolescence	85,435	(181,486)
Share-based compensation	284,250	642,151
Deferred income taxes	2,867,339	(317,243)
Changes in operating assets and liabilities:
Accounts receivable, net	389,434	168,183
Inventories, net	(271,543)	(174,720)
Prepaid expenses and other	174,589	(101,304)
Other assets	(60,614)	133,188
Accounts payable	502,933	707,549
Accrued and other liabilities	(56,313)	521,375
Net cash provided by operating activities	2,899,336	1,057,567
Investing Activities:
Purchases of marketable securities	(2,402,346)	(1,773,530)
Proceeds from maturities of marketable securities	2,401,856	1,874,823
Capital expenditures	(90,135)	(57,473)
Patent costs paid		(4,286)
Purchase of Genasys, net of cash and restricted cash acquired	(2,246,545)
Net cash (used in) provided by investing activities	(2,337,170)	39,534
Financing Activities:
Proceeds from exercise of stock options	185,718
Proceeds from issuance of unsecured promissory notes	63,144
Payments on unsecured promissory notes	(414,477)
Net cash used in financing activities	(165,615)
Effect of foreign exchange rate on cash	335
Net increase in cash, cash equivalents and restricted cash	396,886	1,097,101
Cash, cash equivalents and restricted cash, beginning of period	12,803,887	13,466,711
Cash, cash equivalents and restricted cash, end of period	13,200,773	14,563,812
Reconciliation of cash, cash equivalents and restricted cash to the condensed consolidated balance sheets:
Total cash, cash equivalents, and restricted cash shown in the condensed consolidated statements of cash flows	12,803,887	13,466,711
Supplemental disclosures of cash flow information:
Interest paid	9,186
Noncash investing and financing activities:
Change in unrealized loss on marketable securities	(16,868)	(1,978)
Business combinations accounted for as a purchase:
Fair value of assets acquired	5,520,504
Cash paid or payable	(3,011,439)
Liabilities assumed	$ 2,509,065

Note 1 - Operations

Note 1 - Operations	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Nature of Operations [Text Block]	1. LRAD ® On January 18, 2018, January 18, 2018. 4

Note 2 - Basis of Presentation

Note 2 - Basis of Presentation and Significant Accounting Policies	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Basis of Presentation and Significant Accounting Policies [Text Block]	2. General The Company’s unaudited interim condensed consolidated financial statements included herein have been prepared in accordance with the instructions to Form 10 8 X not September 30, 2017 10 December 13, 2017. September 30, 2017 September 30, 2017 10 not Principles of Consolidation The Company has four two Reclassifications Where necessary, the prior year’s information has been reclassified to conform to the current year presentation.

Note 3 - Recent Accounting Pron

Note 3 - Recent Accounting Pronouncements	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	3. In November 2016, No. 2016 18, Statement of Cash Flows (Topic 230 2016 18" 230 2016 18 December 15, 2017, 2016 18 January 1, 2018. six March 31, 2018, 4. not In March 2016, No. 2016 09, Compensation – Stock Compensation (Topic 718 no first 2018. $1.1 not In February 2016, 2016 02, Leases (Topic 842 12 October 1, 2019. In May 2014, No. 2014 09, Revenue from Contracts with Customers 2014 09” 2014 09 July 2015, one October 1, 2018.

Note 4 - Acquisitions

Note 4 - Acquisitions	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Business Combination Disclosure [Text Block]	4 . ACQUISITIONS On January 18, 2018, 16 The Company believes the combination of Genasys’ mass messaging solutions and software development capabilities will enable the Company to enhance existing product offerings through integrated mass messaging solutions as well as provide growth opportunities in new markets. Genasys’ operating results were included in the Company’s consolidated financial statements beginning January 18, 2018 $415,000 $25,000, March 31, 2018. The preliminary acquisition consideration consisted of the following: Cash paid $ 2,826,189 Acquisition escrow liability 185,250 Total consideration $ 3,011,439 As of March 31, 2018, three June 30, 2018. $237,345 March 31, 2018. $151,313 second 2018, $45,016 first 2018 $41,016 fourth 2017. Purchase Price Allocation and Other Items The determination of the purchase price allocation to specific assets acquired and liabilities assumed is preliminary as of March 31, 2018. Assets Acquired Cash and restricted cash acquired $ 579,644 Accounts receivable 426,940 Fixed assets 5,712 Intangible assets 1,850,000 Goodwill 2,603,688 Other assets 54,520 Total assets acquired 5,520,504 Liabilities assumed Accounts payable 275,653 Accrued expenses and other liabilities 315,817 Severance obligation 397,558 Debt 1,520,037 Total liabilities assumed 2,509,065 Net assets acquired $ 3,011,439 The estimated fair value of identifiable intangible assets acquired, and their estimated useful lives are as follows: Fair Value Useful Lives (in years) Technology $ 690,000 7 Customer relationships 660,000 7 Trade name portfolio 240,000 5 Non-compete agreements 260,000 3 $ 1,850,000 Identifiable intangible assets are amortized over their useful lives based upon a number of assumptions including the estimated period of economic benefit and utilization. The weighted average amortization period for identifiable intangible assets acquired is 6 The goodwill for Genasys is attributable to combining the mass messaging solutions and software development capabilities with existing LRAD products for enhanced offerings and the skill level of the acquired workforce. The Company will continue to analyze the transaction and refine its calculations, as appropriate during the measurement period, which could affect the value of goodwill. Goodwill from the Genasys acquisition will not Pro Forma Information The following table provides the unaudited pro forma results of operations for the three six March 31, 2018 2017, 2017. not not may Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Net revenues $ 8,042,879 $ 6,034,248 $ 16,222,894 $ 9,474,427 Net income 529,094 276,048 (1,081,478 ) (788,438 ) Basic and diluted earnings per share $ 0.02 $ 0.01 $ (0.03 ) $ (0.02 ) The following is a reconciliation of actual net revenue and net income to pro forma net revenue and net income: Three months ended March 31, 2018 2017 Net revenues Net income Net revenues Net income LRAD actual results $ 7,453,794 $ 384,516 $ 5,742,391 $ 298,350 Genasys actual results 589,085 89,727 291,857 79,067 Pro Forma adjustments - 54,851 - (101,369 ) Pro forma results $ 8,042,879 $ 529,094 $ 6,034,248 $ 276,048 Six months ended March 31, 2018 2017 Net revenues Net income Net revenues Net income LRAD actual results $ 15,082,361 $ (1,298,736 ) $ 8,683,726 $ (514,329 ) Genasys actual results 1,140,533 126,844 790,701 (172,740 ) Pro Forma adjustments - 90,414 - (101,369 ) Pro forma results $ 16,222,894 $ (1,081,478 ) $ 9,474,427 $ (788,438 ) The following table identifies the pro forma adjustments: Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Acquisition costs $ 151,313 $ - $ 196,329 $ - Depreciation and amortization costs (81,881 ) (163,762 ) (81,881 ) (163,762 ) Tax effect of adjustments (14,581 ) 62,393 (24,034 ) 62,393 Pro forma adjustmenst $ 54,851 $ (101,369 ) $ 90,414 $ (101,369 )

Note 5 - Goodwill and Intangibl

Note 5 - Goodwill and Intangible Assets	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	5. G OODWILL AND INTANGIBLE ASSETS During the three March 31, 2018, $1,850,000 $2,603,687 4. Identifiable intangible assets are amortized over their useful lives based upon a number of assumptions including the estimated period of economic benefit and utilization. The Company will assess the impairment of identifiable amortized intangible assets when events and circumstances indicate the carrying value of the assets might not The goodwill attributable to the acquisition of Genasys is due to combining the mass messaging solutions and software development capabilities with existing LRAD products for enhanced offerings and the skill level of the acquired workforce. The Company will continue to analyze the transaction and refine its calculations, as appropriate during the measurement period, which could affect the value of goodwill. Subsequent to the measurement period, the Company will periodically review goodwill for impairment in accordance with ASC Topic 350 I ntangibles – Goodwill and Other – Testing Indefinite-Lived Assets for Impairment The Company’s intangible assets consist of the following: March 31, 2018 September 31, 2017 Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Technology $ 690,000 $ (20,536 ) $ 669,464 $ - $ - $ - Customer relationships 660,000 (19,642 ) 640,358 - - - Trade name portfolio 240,000 (10,000 ) 230,000 - - - Non-compete agreements 260,000 (18,056 ) 241,944 - - - Patents 108,247 (56,166 ) 52,081 108,247 (52,558 ) 55,689 $ 1,958,247 $ (124,400 ) $ 1,833,847 $ 108,247 $ (52,558 ) $ 55,689 The amortization expense for the three March 31, 2018 2017 $70,038 $1,859, six March 31, 2018 2017 $71,842 $3,681, Estimated Future Amortization Expense Years Ended September 30, 2018 (April 1, 2018 through September 30, 2018) $ 166,689 2019 333,771 2020 333,448 2021 271,771 2022 246,363 Thereafter 481,805 Total estimated amortization expense $ 1,833,847

Note 6 - Fair Value Measurement

Note 6 - Fair Value Measurements	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Fair Value Disclosures [Text Block]	6. FAIR VALUE MEASUREMENTS The Company’s financial instruments consist principally of cash equivalents, short and long-term marketable securities, accounts receivable and accounts payable. The fair value of a financial instrument is the amount that would be received in an asset sale or paid to transfer a liability in an orderly transaction between unaffiliated market participants. Assets and liabilities measured at fair value are categorized based on whether or not three 3 Level 1: Level 2: not Level 3: The fair value of the Company’s cash equivalents and marketable securities was determined based on Level 1 2 not 3 March 31, 2018 September 30, 2017. Instruments Measured at Fair Value The following tables present the Company’s cash equivalents and marketable securities’ costs, gross unrealized gains and losses, and fair value by major security type recorded as cash equivalents or short-term or long-term marketable securities as of March 31, 2018 September 30, 2017. March 31, 2018 Unrealized Fair Cash Short-term Long-term Cost Basis Losses Value Equivalents Securities Securities Level 1: Money Market Funds $ 98,539 $ - $ 98,539 $ 98,539 $ - $ - Level 2: Certificates of deposit $ 936,952 $ - $ 936,952 $ - $ 437,952 $ 499,000 Municipal securities 85,626 (168 ) 85,459 - 85,459 - Corporate bonds 4,049,846 (17,970 ) 4,031,876 - 3,539,698 492,178 Subtotal 5,072,424 (18,138 ) 5,054,287 - 4,063,109 991,178 Total $ 5,170,963 $ (18,138 ) $ 5,152,826 $ 98,539 $ 4,063,109 $ 991,178 September 30, 2017 Unrealized Fair Cash Short-term Long-term Cost Basis Losses Value Equivalents Securities Securities Level 1: Money Market Funds $ 55,257 $ - $ 55,257 $ 55,257 $ - $ - Level 2: Certificates of deposit 2,436,647 - 2,436,647 - 1,937,647 499,000 Municipal securities 25,315 (12 ) 25,303 - 25,303 - Corporate bonds 2,609,973 (1,257 ) 2,608,716 - 2,396,592 212,124 Subtotal 5,071,935 (1,269 ) 5,070,666 - 4,359,542 711,124 Total $ 5,127,192 $ (1,269 ) $ 5,125,923 $ 55,257 $ 4,359,542 $ 711,124

Note 7 - Inventories

Note 7 - Inventories	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Inventory Disclosure [Text Block]	7 . INVENTORIES Inventories consisted of the following: March 31, September 30, 2018 2017 Raw materials $ 5,135,966 $ 3,784,935 Finished goods 417,587 1,742,960 Work in process 393,756 147,871 Inventories, gross 5,947,309 5,675,766 Reserve for obsolescence (503,967 ) (418,532 ) Inventories, net $ 5,443,342 $ 5,257,234

Note 8 - Property and Equipment

Note 8 - Property and Equipment	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	8 . PROPERTY AND EQUIPMENT Property and equipment consisted of the following: March 31, September 30, 2018 2017 Office furniture and equipment $ 1,296,249 $ 1,093,502 Machinery and equipment 1,067,802 994,157 Leasehold improvements 76,138 76,138 Property and equipment, gross 2,440,189 2,163,797 Accumulated depreciation (1,956,722 ) (1,654,194 ) Property and equipment, net $ 483,467 $ 509,603 Six months ended March 31, 2018 2017 Depreciation expense $ 121,967 $ 59,153

Note 9 - Accrued Liabilities

Note 9 - Accrued Liabilities	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Current and Noncurrent Accrued Liabilities [Text Block]	9. Accrued liabilities consisted of the following: March 31, September 30, 2018 2017 Payroll and related $ 1,214,039 $ 1,870,579 Deferred revenue 1,028,497 268,580 Accrued contract costs 474,068 197,034 Severance 327,937 - Acquisition escrow liability 185,250 - Warranty reserve 169,204 179,101 Deferred rent 15,367 46,101 Total $ 3,414,362 $ 2,561,395 Payroll and related Payroll and related consists primarily of accrued vacation, bonus, sales commissions, and benefits. Deferred Revenue Deferred revenue consists primarily of prepayments from customers in advance of product shipment. Warranty Reserve Changes in the warranty reserve and extended warranty were as follows: Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Beginning balance $ 188,308 $ 353,938 $ 179,101 $ 356,984 Warranty provision - 101,673 12,361 111,369 Warranty settlements (19,104 ) (6,470 ) (22,258 ) (19,212 ) Ending balance $ 169,204 $ 449,141 $ 169,204 $ 449,141 Accrued contract costs The Company has contracted with a third March 26.

Note 10 - Income Taxes

Note 10 - Income Taxes	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Income Tax Disclosure [Text Block]	10 . INCOME TAXES The Tax Cuts and Jobs Act (the “Act”) was enacted on December 22, 2017. 35% 21% January 1, 2018. 118, not one 21%, $2,474,000 December 31, 2017. For the six March 31, 2018, $393,339 25.1% $2,474,000 six March 31, 2017, $317,243 38.1%. six March 31, 2018, 2017, Accounting Standards Codification (“ASC”) 740, Accounting for Uncertainty in Income Taxes may not not

Note 11 - Debt

Note 11 - Debt	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Debt Disclosure [Text Block]	11 . D EBT In connection with the acquisition of Genasys, as described in Note 4, March 31, 2018: Loans with Governmental Agencies (1) $ 847,215 Revolving Credit Facilities (2) 198,850 Term Loans (3) 119,483 Total debt 1,165,548 Less current portion (896,317 ) Total long-term debt $ 269,231 ( 1 Loans with governmental agencies represents debt granted by ministries within Spain and the European Union for the purpose of stimulating economic development and promoting research and development. Loans with governmental agencies as of March 31, 2018 Agency Due Date Interest Rate Principal Ministry of Industry, Tourism, and Commerce December 31, 2018 0.53% $ 73,865 a Ministry of Industry, Tourism, and Commerce December 31, 2019 0.51% 107,933 b Ministry of Industry, Tourism, and Commerce January 31, 2020 3.95% 94,634 c Ministry of Science and Innovation February 2, 2022 0.00% 74,136 Ministry of Science and Innovation February 2, 2024 0.00% 296,440 d Center for Development of Industrial Technology March 31, 2021 0.00% 94,306 European Union Agency for Network and Information Security October 28, 2018 2.95% 105,902 $ 847,215 a. This loan is secured by $26,113 March 31, 2018. b. This loan is secured by $40,373 25% March 31, 2018. c. This loan is secured by $63,774 35% March 31, 2018. d. This loan is secured by $296,440 66.6% March 31, 2018. 2018, 2018. March 31, 2018. ( 2 Revolving credit facilities were used by Genasys to meet short-term operating needs. Revolving credit facilities as of March 31, 2018 Description Interest Rate Principal Revolving Credit Facility A 3.50% $ 58,092 Revolving Credit Facility B 3.95% 60,811 Revolving Credit Facility C 3.00% 60,199 Other Revolving Credit Facilities 4.20% 19,748 $ 198,850 Borrowing under Revolving Credit Facilities A, B, and C are up to a maximum of €50,000 $61,600 three June 30, 2018. three June 30, 2018. ( 3 Term Loans as of March 31, 2018 Description Due Date Interest Rate Principal Term Loan A October 20, 2018 4.80% $ 12,681 Term Loan B May 27, 2019 Variable 18,549 Term Loan C June 20, 2019 4.29% 39,951 Term Loan D July 12, 2020 Variable 48,302 $ 119,483 Term Loan A 4.80% October 2018 3% 20 th Term Loan B May 2019 3.5%. no 27 th Term L oan C June 2019 no 20 th Term L oan D July 2020 0.5% 2.44% July 2018 2.44%. 12 th The following is a schedule of future annual payments as of March 31, 2018: April 2018-March 2019 $ 896,317 April 2019-March 2020 173,035 April 2020-March 2021 48,796 April 2021-March 2022 47,400 April 2022-March 2023 - Thereafter - Total $ 1,165,548 The Company has pledged $428,425 March 31, 2018. The Company recorded $9,815 three six March 31, 2018

Note 12 - Commitments and Conti

Note 12 - Commitments and Contingencies	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	1 2 . COMMITMENTS AND CONTINGENCIES Litigation The Company may no Bonus Plan The Company has incentive bonus plans for fiscal year 2018 25% 75% may three 50% 100% 200% 2018 six March 31, 2018 2017, $738,543 $379,080, Acquisition Escrow Liability In connection with the acquisition of Genasys the Company recorded an escrow liability of $185,250, 4. may not March 31, 2018. June 30, 2018.

Note 13 - Share-based Compensat

Note 13 - Share-based Compensation	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	1 3 . SHARE-BASED COMPENSATION Equity Incentive Plans At March 31, 2018, two 2005 “2005 March 2015, 2015 “2015 December 6, 2016 March 14, 2017. 2015 5,000,000 March 31, 2018, 2,193,502 2,279,315 2005 2015 Stock Option Activity The following table summarizes information about stock option activity during the six March 31, 2018: Number Weighted Average of Shares Exercise Price Outstanding October 1, 2017 4,663,502 $ 2.16 Granted 3,500 $ 2.21 Forfeited/expired (83,333 ) $ 2.84 Exercised (110,852 ) $ 1.68 Outstanding March 31, 2018 4,472,817 $ 2.15 Exercisable March 31, 2018 3,298,533 $ 2.23 Options outstanding are exercisable at prices ranging from $0.93 $3.17 2018 2024 3.0 March 31, 2018 $1,242,236 $990,806, During the six March 31, 2017, $307,324 June 30, 2016 December 31, 2016 24 December 31, 2016 718 20 35. Performance-Based Stock Options On August 1, 2016, 750,000 seven 2019 2020 375,000 four The Company has made the assumption that the lowest performance target level for each of the years will be met, and therefore 187,500 $0.81 Restricted Stock Units During the quarter ended December 31, 2016, 25,000 2015 2017 20,000 2016 first 2016 May 17, 2017. 2015 2017 March 14, 2017, $197,500 May 17, 2017 On March 14, 2017, 25,000 first $197,500, March 14, 2018 On March 20, 2018, 25,000 first $278,750, March 20, 2019 93,330 three $210,176, three Share-Based Compensation The Company recorded share-based compensation expense and classified it in the condensed consolidated statements of operations as follows: Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Cost of revenues $ 5,047 $ 5,874 $ 11,256 $ 11,751 Selling, general and administrative 120,133 148,600 229,455 584,097 Research and development 20,609 22,928 43,539 46,303 Total $ 145,789 $ 177,402 $ 284,250 $ 642,151 The employee stock options granted in the six March 31, 2018 2017 $0.89 $0.71 Six months ended March 31, 2018 2017 Volatility 45.4% 47.5% - 53.7% Risk-free interest rate 2.2% 1.7% - 2.0% Forfeiture rate 10.0% 10.0% Dividend yield 0.0% 0.0% Expected life in years 4.6 3.8 - 4.6 The Company did not six March 31, 2018 2017. As of March 31, 2018, $900,000 1.9

Note 14 - Stockholders' Equity

Note 14 - Stockholders' Equity	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	1 4 . STOCKHOLDERS’ EQUITY Summary The following table summarizes changes in the components of stockholders’ equity during the six March 31, 2018: Accumulated Additional Other Total Common Stock Paid-in Accumulated Comprehensive Stockholders' Shares Amount Capital Deficit Loss Equity Balances, September 30, 2017 32,158,436 $ 322 $ 87,956,839 $ (52,771,853 ) $ (1,269 ) $ 35,184,039 Share-based compensation expense - - 284,250 - - 284,250 Issuance of common stock upon exercise of stock options, net 110,852 - 185,718 185,718 Issuance of common stock upon vesting of restricted stock units 125,000 - - - - - Other comprehensive loss - - - - (12,513 ) (12,513 ) Net loss - - - (1,222,344 ) (1,222,344 ) Balances, March 31, 2018 32,394,288 $ 322 $ 88,426,807 $ (53,994,197 ) $ (13,782 ) $ 34,419,150 Share Buyback Program The Board of Directors approved a share buyback program in 2015 $4 no six March 31, 2018 2017 March 31, 2018, December 2017, December 31, 2018. March 31, 2018, $3.9 Dividends There were no six March 31, 2018 2017.

Note 15 - Net Loss Per Share

Note 15 - Net Loss Per Share	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Earnings Per Share [Text Block]	1 5 . NET LOSS PER SHARE The following table sets forth the computation of basic and diluted loss per share: Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Numerator: Net income (loss) $ 460,908 $ 298,350 $ (1,222,344 ) $ (514,329 ) Denominator: Weighted average common shares outstanding - basic and diluted 32,275,647 31,800,103 32,212,286 31,800,103 Assumed exercise of dilutive options and warrants 1,023,559 63,799 - - Weighted average dilutive shares outstanding 33,299,206 31,863,902 32,212,286 31,800,103 Basic income (loss) per common share - basic and diluted $ 0.01 $ 0.01 $ (0.04 ) $ (0.02 ) Diluted income (loss) per common share $ 0.01 $ 0.01 $ (0.04 ) $ (0.02 ) Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive: Options 1,766,250 3,061,836 2,706,567 2,989,836 Restricted stock units 218,330 250,000 218,330 250,000 Total 1,984,580 3,311,836 2,924,897 3,239,836

Note 16 - Segment Information

Note 16 - Segment Information	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	16. EGMENT INFORMATION The Company is engaged in the design, development and commercialization of directed and multidirectional sound technologies, voice broadcast products and location-based mass messaging solutions for emergency warning and workforce management. The Company operates in two two not The following table presents the Company’s segment disclosures: Three Months Ended Six Months Ended March 31, 2018 March 31, 2018 Revenues from external customers LRAD $ 7,453,794 $ 15,082,361 Genasys 414,654 414,654 $ 7,868,448 $ 15,497,015 Intercompany revenues LRAD $ - $ - Genasys 89,818 89,818 $ 89,818 $ 89,818 Segment Operating Income LRAD $ 579,498 $ 1,570,604 Genasys 24,656 24,656 $ 604,154 $ 1,595,260 Other expenses: Depreciation and amortization expense LRAD $ (64,660 ) $ (124,765 ) Genasys (69,044 ) (69,044 ) $ (133,704 ) $ (193,809 ) Interest expense LRAD $ - $ - Genasys (9,815 ) (9,815 ) $ (9,815 ) $ (9,815 ) Income tax expense LRAD $ (158,451 ) $ (2,867,339 ) Genasys - - $ (158,451 ) $ (2,867,339 ) March 31, 2018 September 30, 2017 Long-lived assets: LRAD $ 527,872 $ 565,292 Genasys 4,393,129 - Total $ 4,921,001 $ 565,292 Total Assets LRAD $ 35,471,343 $ 38,857,800 Genasys 5,418,144 - Total $ 40,889,487 $ 38,857,800

Note 17 - Major Customers

Note 17 - Major Customers	6 Months Ended
	Mar. 31, 2018
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	1 7 . MAJOR CUSTOMERS For the three March 31, 2018, three 40%, 15% 14% six March 31, 2018 two 33% 16% no 10% March 31, 2018, one 56% no 10% For the three March 31, 2017, two 23% 11% six March 31, 2017 two 15% 10% no 10% March 31, 2017, three 41%, 24% 14% no 10% The following table summarizes revenues by geographic region. Revenues are attributed to countries based on customer’s delivery location. Three months ended March 31, Six months ended March 31, 2018 2017 2018 2017 Americas $ 5,051,072 $ 2,099,151 $ 11,104,110 $ 3,721,509 Asia Pacific 2,255,856 2,923,825 3,277,762 3,908,425 Europe, Middle East and Africa 561,520 719,415 1,115,143 1,053,792 Total Revenues $ 7,868,448 $ 5,742,391 $ 15,497,015 $ 8,683,726

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Mar. 31, 2018
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	General The Company’s unaudited interim condensed consolidated financial statements included herein have been prepared in accordance with the instructions to Form 10 8 X not September 30, 2017 10 December 13, 2017. September 30, 2017 September 30, 2017 10 not
Consolidation, Policy [Policy Text Block]	Principles of Consolidation The Company has four two
Reclassification, Policy [Policy Text Block]	Reclassifications Where necessary, the prior year’s information has been reclassified to conform to the current year presentation.
New Accounting Pronouncements, Policy [Policy Text Block]	In November 2016, No. 2016 18, Statement of Cash Flows (Topic 230 2016 18" 230 2016 18 December 15, 2017, 2016 18 January 1, 2018. six March 31, 2018, 4. not In March 2016, No. 2016 09, Compensation – Stock Compensation (Topic 718 no first 2018. $1.1 not In February 2016, 2016 02, Leases (Topic 842 12 October 1, 2019. In May 2014, No. 2014 09, Revenue from Contracts with Customers 2014 09” 2014 09 July 2015, one October 1, 2018.

Note 4 - Acquisitions (Tables)

Note 4 - Acquisitions (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Business Acquisitions, by Acquisition [Table Text Block]	Cash paid $ 2,826,189 Acquisition escrow liability 185,250 Total consideration $ 3,011,439 Assets Acquired Cash and restricted cash acquired $ 579,644 Accounts receivable 426,940 Fixed assets 5,712 Intangible assets 1,850,000 Goodwill 2,603,688 Other assets 54,520 Total assets acquired 5,520,504 Liabilities assumed Accounts payable 275,653 Accrued expenses and other liabilities 315,817 Severance obligation 397,558 Debt 1,520,037 Total liabilities assumed 2,509,065 Net assets acquired $ 3,011,439
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]	Fair Value Useful Lives (in years) Technology $ 690,000 7 Customer relationships 660,000 7 Trade name portfolio 240,000 5 Non-compete agreements 260,000 3 $ 1,850,000
Business Acquisition, Pro Forma Information [Table Text Block]	Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Net revenues $ 8,042,879 $ 6,034,248 $ 16,222,894 $ 9,474,427 Net income 529,094 276,048 (1,081,478 ) (788,438 ) Basic and diluted earnings per share $ 0.02 $ 0.01 $ (0.03 ) $ (0.02 )
Business Acquisition, Reconciliation of Actual Net Revenue and Net Income to Pro Forma Net Revenue and Net Income [Table Text Block]	Three months ended March 31, 2018 2017 Net revenues Net income Net revenues Net income LRAD actual results $ 7,453,794 $ 384,516 $ 5,742,391 $ 298,350 Genasys actual results 589,085 89,727 291,857 79,067 Pro Forma adjustments - 54,851 - (101,369 ) Pro forma results $ 8,042,879 $ 529,094 $ 6,034,248 $ 276,048 Six months ended March 31, 2018 2017 Net revenues Net income Net revenues Net income LRAD actual results $ 15,082,361 $ (1,298,736 ) $ 8,683,726 $ (514,329 ) Genasys actual results 1,140,533 126,844 790,701 (172,740 ) Pro Forma adjustments - 90,414 - (101,369 ) Pro forma results $ 16,222,894 $ (1,081,478 ) $ 9,474,427 $ (788,438 )
Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]	Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Acquisition costs $ 151,313 $ - $ 196,329 $ - Depreciation and amortization costs (81,881 ) (163,762 ) (81,881 ) (163,762 ) Tax effect of adjustments (14,581 ) 62,393 (24,034 ) 62,393 Pro forma adjustmenst $ 54,851 $ (101,369 ) $ 90,414 $ (101,369 )

Note 5 - Goodwill and Intangi26

Note 5 - Goodwill and Intangible Assets (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Finite-Lived Intangible Assets [Table Text Block]	March 31, 2018 September 31, 2017 Gross Carrying Amount Accumulated Amortization Net Carrying Amount Gross Carrying Amount Accumulated Amortization Net Carrying Amount Technology $ 690,000 $ (20,536 ) $ 669,464 $ - $ - $ - Customer relationships 660,000 (19,642 ) 640,358 - - - Trade name portfolio 240,000 (10,000 ) 230,000 - - - Non-compete agreements 260,000 (18,056 ) 241,944 - - - Patents 108,247 (56,166 ) 52,081 108,247 (52,558 ) 55,689 $ 1,958,247 $ (124,400 ) $ 1,833,847 $ 108,247 $ (52,558 ) $ 55,689
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Estimated Future Amortization Expense Years Ended September 30, 2018 (April 1, 2018 through September 30, 2018) $ 166,689 2019 333,771 2020 333,448 2021 271,771 2022 246,363 Thereafter 481,805 Total estimated amortization expense $ 1,833,847

Note 6 - Fair Value Measureme27

Note 6 - Fair Value Measurements (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Fair Value Measurements, Nonrecurring [Table Text Block]	March 31, 2018 Unrealized Fair Cash Short-term Long-term Cost Basis Losses Value Equivalents Securities Securities Level 1: Money Market Funds $ 98,539 $ - $ 98,539 $ 98,539 $ - $ - Level 2: Certificates of deposit $ 936,952 $ - $ 936,952 $ - $ 437,952 $ 499,000 Municipal securities 85,626 (168 ) 85,459 - 85,459 - Corporate bonds 4,049,846 (17,970 ) 4,031,876 - 3,539,698 492,178 Subtotal 5,072,424 (18,138 ) 5,054,287 - 4,063,109 991,178 Total $ 5,170,963 $ (18,138 ) $ 5,152,826 $ 98,539 $ 4,063,109 $ 991,178 September 30, 2017 Unrealized Fair Cash Short-term Long-term Cost Basis Losses Value Equivalents Securities Securities Level 1: Money Market Funds $ 55,257 $ - $ 55,257 $ 55,257 $ - $ - Level 2: Certificates of deposit 2,436,647 - 2,436,647 - 1,937,647 499,000 Municipal securities 25,315 (12 ) 25,303 - 25,303 - Corporate bonds 2,609,973 (1,257 ) 2,608,716 - 2,396,592 212,124 Subtotal 5,071,935 (1,269 ) 5,070,666 - 4,359,542 711,124 Total $ 5,127,192 $ (1,269 ) $ 5,125,923 $ 55,257 $ 4,359,542 $ 711,124

Note 7 - Inventories (Tables)

Note 7 - Inventories (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Inventory, Current [Table Text Block]	March 31, September 30, 2018 2017 Raw materials $ 5,135,966 $ 3,784,935 Finished goods 417,587 1,742,960 Work in process 393,756 147,871 Inventories, gross 5,947,309 5,675,766 Reserve for obsolescence (503,967 ) (418,532 ) Inventories, net $ 5,443,342 $ 5,257,234

Note 8 - Property and Equipme29

Note 8 - Property and Equipment (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Property, Plant and Equipment [Table Text Block]	March 31, September 30, 2018 2017 Office furniture and equipment $ 1,296,249 $ 1,093,502 Machinery and equipment 1,067,802 994,157 Leasehold improvements 76,138 76,138 Property and equipment, gross 2,440,189 2,163,797 Accumulated depreciation (1,956,722 ) (1,654,194 ) Property and equipment, net $ 483,467 $ 509,603
Depreciation Expense [Member]
Notes Tables
Property, Plant and Equipment [Table Text Block]	Six months ended March 31, 2018 2017 Depreciation expense $ 121,967 $ 59,153

Note 9 - Accrued Liabilities (T

Note 9 - Accrued Liabilities (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	March 31, September 30, 2018 2017 Payroll and related $ 1,214,039 $ 1,870,579 Deferred revenue 1,028,497 268,580 Accrued contract costs 474,068 197,034 Severance 327,937 - Acquisition escrow liability 185,250 - Warranty reserve 169,204 179,101 Deferred rent 15,367 46,101 Total $ 3,414,362 $ 2,561,395
Schedule of Product Warranty Liability [Table Text Block]	Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Beginning balance $ 188,308 $ 353,938 $ 179,101 $ 356,984 Warranty provision - 101,673 12,361 111,369 Warranty settlements (19,104 ) (6,470 ) (22,258 ) (19,212 ) Ending balance $ 169,204 $ 449,141 $ 169,204 $ 449,141

Note 11 - Debt (Tables)

Note 11 - Debt (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Debt [Table Text Block]	Loans with Governmental Agencies (1) $ 847,215 Revolving Credit Facilities (2) 198,850 Term Loans (3) 119,483 Total debt 1,165,548 Less current portion (896,317 ) Total long-term debt $ 269,231
Loans With Governmental Agencies [Table Text Block]	Agency Due Date Interest Rate Principal Ministry of Industry, Tourism, and Commerce December 31, 2018 0.53% $ 73,865 a Ministry of Industry, Tourism, and Commerce December 31, 2019 0.51% 107,933 b Ministry of Industry, Tourism, and Commerce January 31, 2020 3.95% 94,634 c Ministry of Science and Innovation February 2, 2022 0.00% 74,136 Ministry of Science and Innovation February 2, 2024 0.00% 296,440 d Center for Development of Industrial Technology March 31, 2021 0.00% 94,306 European Union Agency for Network and Information Security October 28, 2018 2.95% 105,902 $ 847,215
Schedule of Line of Credit Facilities [Table Text Block]	Description Interest Rate Principal Revolving Credit Facility A 3.50% $ 58,092 Revolving Credit Facility B 3.95% 60,811 Revolving Credit Facility C 3.00% 60,199 Other Revolving Credit Facilities 4.20% 19,748 $ 198,850
Term Loans [Table Text Block]	Description Due Date Interest Rate Principal Term Loan A October 20, 2018 4.80% $ 12,681 Term Loan B May 27, 2019 Variable 18,549 Term Loan C June 20, 2019 4.29% 39,951 Term Loan D July 12, 2020 Variable 48,302 $ 119,483
Schedule of Maturities of Long-term Debt [Table Text Block]	April 2018-March 2019 $ 896,317 April 2019-March 2020 173,035 April 2020-March 2021 48,796 April 2021-March 2022 47,400 April 2022-March 2023 - Thereafter - Total $ 1,165,548

Note 13 - Share-based Compens32

Note 13 - Share-based Compensation (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Share-based Compensation, Stock Options, Activity [Table Text Block]	Number Weighted Average of Shares Exercise Price Outstanding October 1, 2017 4,663,502 $ 2.16 Granted 3,500 $ 2.21 Forfeited/expired (83,333 ) $ 2.84 Exercised (110,852 ) $ 1.68 Outstanding March 31, 2018 4,472,817 $ 2.15 Exercisable March 31, 2018 3,298,533 $ 2.23
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]	Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Cost of revenues $ 5,047 $ 5,874 $ 11,256 $ 11,751 Selling, general and administrative 120,133 148,600 229,455 584,097 Research and development 20,609 22,928 43,539 46,303 Total $ 145,789 $ 177,402 $ 284,250 $ 642,151
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Six months ended March 31, 2018 2017 Volatility 45.4% 47.5% - 53.7% Risk-free interest rate 2.2% 1.7% - 2.0% Forfeiture rate 10.0% 10.0% Dividend yield 0.0% 0.0% Expected life in years 4.6 3.8 - 4.6

Note 14 - Stockholders' Equity

Note 14 - Stockholders' Equity (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Stockholders Equity [Table Text Block]	Accumulated Additional Other Total Common Stock Paid-in Accumulated Comprehensive Stockholders' Shares Amount Capital Deficit Loss Equity Balances, September 30, 2017 32,158,436 $ 322 $ 87,956,839 $ (52,771,853 ) $ (1,269 ) $ 35,184,039 Share-based compensation expense - - 284,250 - - 284,250 Issuance of common stock upon exercise of stock options, net 110,852 - 185,718 185,718 Issuance of common stock upon vesting of restricted stock units 125,000 - - - - - Other comprehensive loss - - - - (12,513 ) (12,513 ) Net loss - - - (1,222,344 ) (1,222,344 ) Balances, March 31, 2018 32,394,288 $ 322 $ 88,426,807 $ (53,994,197 ) $ (13,782 ) $ 34,419,150

Note 15 - Net Loss Per Share (T

Note 15 - Net Loss Per Share (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three months ended Six months ended March 31, March 31, 2018 2017 2018 2017 Numerator: Net income (loss) $ 460,908 $ 298,350 $ (1,222,344 ) $ (514,329 ) Denominator: Weighted average common shares outstanding - basic and diluted 32,275,647 31,800,103 32,212,286 31,800,103 Assumed exercise of dilutive options and warrants 1,023,559 63,799 - - Weighted average dilutive shares outstanding 33,299,206 31,863,902 32,212,286 31,800,103 Basic income (loss) per common share - basic and diluted $ 0.01 $ 0.01 $ (0.04 ) $ (0.02 ) Diluted income (loss) per common share $ 0.01 $ 0.01 $ (0.04 ) $ (0.02 ) Potentially dilutive securities outstanding at period end excluded from the diluted computation as the inclusion would have been antidilutive: Options 1,766,250 3,061,836 2,706,567 2,989,836 Restricted stock units 218,330 250,000 218,330 250,000 Total 1,984,580 3,311,836 2,924,897 3,239,836

Note 16 - Segment Information (

Note 16 - Segment Information (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended Six Months Ended March 31, 2018 March 31, 2018 Revenues from external customers LRAD $ 7,453,794 $ 15,082,361 Genasys 414,654 414,654 $ 7,868,448 $ 15,497,015 Intercompany revenues LRAD $ - $ - Genasys 89,818 89,818 $ 89,818 $ 89,818 Segment Operating Income LRAD $ 579,498 $ 1,570,604 Genasys 24,656 24,656 $ 604,154 $ 1,595,260 Other expenses: Depreciation and amortization expense LRAD $ (64,660 ) $ (124,765 ) Genasys (69,044 ) (69,044 ) $ (133,704 ) $ (193,809 ) Interest expense LRAD $ - $ - Genasys (9,815 ) (9,815 ) $ (9,815 ) $ (9,815 ) Income tax expense LRAD $ (158,451 ) $ (2,867,339 ) Genasys - - $ (158,451 ) $ (2,867,339 ) March 31, 2018 September 30, 2017 Long-lived assets: LRAD $ 527,872 $ 565,292 Genasys 4,393,129 - Total $ 4,921,001 $ 565,292 Total Assets LRAD $ 35,471,343 $ 38,857,800 Genasys 5,418,144 - Total $ 40,889,487 $ 38,857,800

Note 17 - Major Customers (Tabl

Note 17 - Major Customers (Tables)	6 Months Ended
	Mar. 31, 2018
Notes Tables
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]	Three months ended March 31, Six months ended March 31, 2018 2017 2018 2017 Americas $ 5,051,072 $ 2,099,151 $ 11,104,110 $ 3,721,509 Asia Pacific 2,255,856 2,923,825 3,277,762 3,908,425 Europe, Middle East and Africa 561,520 719,415 1,115,143 1,053,792 Total Revenues $ 7,868,448 $ 5,742,391 $ 15,497,015 $ 8,683,726

Note 2 - Basis of Presentatio37

Note 2 - Basis of Presentation and Significant Accounting Policies (Details Textual)	Mar. 31, 2018
Number of Wholly Owned Subsidiaries	4
Number of Additional Inactive Subsidiaries	2

Note 3 - Recent Accounting Pr38

Note 3 - Recent Accounting Pronouncements (Details Textual) - Accounting Standards Update 2016-09 [Member] $ in Millions	Jan. 01, 2018USD ($)
Deferred Tax Assets, Valuation Allowance, Total	$ 1.1
Deferred Tax Assets, Gross, Total	$ 1.1

Note 4 - Acquisitions (Details

Note 4 - Acquisitions (Details Textual)	Jan. 18, 2018	Mar. 31, 2018USD ($)	Mar. 31, 2018USD ($)	Dec. 31, 2017USD ($)	Sep. 30, 2017USD ($)	Mar. 31, 2018USD ($)
Genasys Acquisition [Member]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		$ 415,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		$ 25,000
Finite-Lived Intangible Asset, Useful Life			6 years
Genasys Acquisition [Member] | Selling, General and Administrative Expenses [Member]
Business Combination, Acquisition Related Costs			$ 151,313	$ 45,016	$ 41,016	$ 237,345
Genasys [Member]
Entity Number of Employees		16	16			16

Note 4 - Acquisitions - Prelimi

Note 4 - Acquisitions - Preliminary Acquisition Consideration (Details) - USD ($)	Jan. 18, 2018	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2017
Cash paid		$ 2,246,545
Goodwill		2,603,687
Genasys Acquisition [Member]
Cash paid	$ 2,826,189
Acquisition escrow liability	185,250
Total consideration	$ 3,011,439
Cash and restricted cash acquired		579,644
Accounts receivable		426,940
Fixed assets		5,712
Intangible assets		1,850,000
Goodwill		2,603,688
Other assets		54,520
Total assets acquired		5,520,504
Accounts payable		275,653
Accrued expenses and other liabilities		315,817
Severance obligation		397,558
Debt		1,520,037
Total liabilities assumed		2,509,065
Net assets acquired		$ 3,011,439

Note 4 - Acquisitions - Estimat

Note 4 - Acquisitions - Estimated Fair Value and Estimated Useful Lives of Identifiable Intangible Assets Acquired (Details) - Genasys Acquisition [Member] - USD ($)	Jan. 18, 2018	Mar. 31, 2018
Intangible assets acquired, fair value	$ 1,850,000
Intangible assets acquired, useful lives (Year)		6 years
Technology-Based Intangible Assets [Member]
Intangible assets acquired, fair value	$ 690,000
Intangible assets acquired, useful lives (Year)	7 years
Customer Relationships [Member]
Intangible assets acquired, fair value	$ 660,000
Intangible assets acquired, useful lives (Year)	7 years
Trade Names [Member]
Intangible assets acquired, fair value	$ 240,000
Intangible assets acquired, useful lives (Year)	5 years
Noncompete Agreements [Member]
Intangible assets acquired, fair value	$ 260,000
Intangible assets acquired, useful lives (Year)	3 years

Note 4 - Acquisitions - Unaudit

Note 4 - Acquisitions - Unaudited Pro Forma Results of Operations (Details) - Genasys Acquisition [Member] - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net revenues	$ 8,042,879	$ 6,034,248	$ 16,222,894	$ 9,474,427
Net income	$ 529,094	$ 276,048	$ (1,081,478)	$ (788,438)
Basic and diluted earnings per share (in dollars per share)	$ 0.02	$ 0.01	$ (0.03)	$ (0.02)

Note 4 - Acquisitions - Reconci

Note 4 - Acquisitions - Reconciliation of Actual Net Revenue and Net Income to Pro Forma Net Revenue and Net Income (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Pro Forma adjustments, net income	$ 54,851	$ (101,369)	$ 90,414	$ (101,369)
Genasys Acquisition [Member]
LRAD actual results, net revenues	7,453,794	5,742,391	15,082,361	8,683,726
LRAD actual results, net income	384,516	298,350	(1,298,736)	(514,329)
Genasys actual results, net revenues	589,085	291,857	1,140,533	790,701
Genasys actual results, net income	89,727	79,067	126,844	(172,740)
Pro Forma adjustments, net revenues
Pro Forma adjustments, net income	54,851	(101,369)	90,414	(101,369)
Pro forma results, net revenues	8,042,879	6,034,248	16,222,894	9,474,427
Pro forma results, net income	$ 529,094	$ 276,048	$ (1,081,478)	$ (788,438)

Note 4 - Acquisitions - Summary

Note 4 - Acquisitions - Summary of Pro Forma Adjustments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Pro forma adjustments, net income	$ 54,851	$ (101,369)	$ 90,414	$ (101,369)
Acquisition-related Costs [Member]
Pro forma adjustments, net income	151,313		196,329
Depreciation and Amortization Costs [Member]
Pro forma adjustments, net income	(81,881)	(163,762)	(81,881)	(163,762)
Tax Effect of Adjustments [Member]
Pro forma adjustments, net income	$ (14,581)	$ 62,393	$ (24,034)	$ 62,393

Note 5 - Goodwill and Intangi45

Note 5 - Goodwill and Intangible Assets (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Amortization of Intangible Assets, Total	$ 70,038	$ 1,859	$ 71,842	$ 3,681
Genasys [Member]
Finite-lived Intangible Assets Acquired	1,850,000
Goodwill, Acquired During Period	$ 2,603,687

Note 5 - Goodwill and Intangi46

Note 5 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Intangible assets, gross carrying amount	$ 1,958,247	$ 108,247
Intangible assets, accumulated amortization	(124,400)	(52,558)
Intangible assets, net	1,833,847	55,689
Technology-Based Intangible Assets [Member]
Intangible assets, gross carrying amount	690,000
Intangible assets, accumulated amortization	(20,536)
Intangible assets, net	669,464
Customer Relationships [Member]
Intangible assets, gross carrying amount	660,000
Intangible assets, accumulated amortization	(19,642)
Intangible assets, net	640,358
Trade Names [Member]
Intangible assets, gross carrying amount	240,000
Intangible assets, accumulated amortization	(10,000)
Intangible assets, net	230,000
Noncompete Agreements [Member]
Intangible assets, gross carrying amount	260,000
Intangible assets, accumulated amortization	(18,056)
Intangible assets, net	241,944
Patents [Member]
Intangible assets, gross carrying amount	108,247	108,247
Intangible assets, accumulated amortization	(56,166)	(52,558)
Intangible assets, net	$ 52,081	$ 55,689

Note 5 - Goodwill and Intangi47

Note 5 - Goodwill and Intangible Assets - Estimated Future Amortization Expense (Details)	Mar. 31, 2018USD ($)
2018 (April 1, 2018 through September 30, 2018)	$ 166,689
2,019	333,771
2,020	333,448
2,021	271,771
2,022	246,363
Thereafter	481,805
Total estimated amortization expense	$ 1,833,847

Note 6 - Fair Value Measureme48

Note 6 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Fair Value, Inputs, Level 3 [Member]
Marketable Securities, Total	$ 0	$ 0

Note 6 - Fair Value Measureme49

Note 6 - Fair Value Measurements - Fair Value by Major Security Type (Details) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Short-term marketable securities	$ 4,063,109	$ 4,359,542
Long-term marketable securities	991,178	711,124
Fair Value, Measurements, Nonrecurring [Member]
Cost Basis	5,170,963	5,127,192
Unrealized Gains (Losses)	(18,138)	(1,269)
Fair Value	5,152,826	5,125,923
Cash Equivalents	98,539	55,257
Short-term marketable securities	4,063,109	4,359,542
Long-term marketable securities	991,178	711,124
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Cost Basis	98,539	55,257
Unrealized Gains (Losses)
Fair Value	98,539	55,257
Cash Equivalents	98,539	55,257
Short-term marketable securities
Long-term marketable securities
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Cost Basis	5,072,424	5,071,935
Unrealized Gains (Losses)	(18,138)	(1,269)
Fair Value	5,054,287	5,070,666
Cash Equivalents
Short-term marketable securities	4,063,109	4,359,542
Long-term marketable securities	991,178	711,124
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Certificates of Deposit [Member]
Cost Basis	936,952	2,436,647
Unrealized Gains (Losses)
Fair Value	936,952	2,436,647
Cash Equivalents
Short-term marketable securities	437,952	1,937,647
Long-term marketable securities	499,000	499,000
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | US States and Political Subdivisions Debt Securities [Member]
Cost Basis	85,626	25,315
Unrealized Gains (Losses)	(168)	(12)
Fair Value	85,459	25,303
Cash Equivalents
Short-term marketable securities	85,459	25,303
Long-term marketable securities
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
Cost Basis	4,049,846	2,609,973
Unrealized Gains (Losses)	(17,970)	(1,257)
Fair Value	4,031,876	2,608,716
Cash Equivalents
Short-term marketable securities	3,539,698	2,396,592
Long-term marketable securities	$ 492,178	$ 212,124

Note 7 - Inventories - Schedule

Note 7 - Inventories - Schedule of Inventory (Details) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Raw materials	$ 5,135,966	$ 3,784,935
Finished goods	417,587	1,742,960
Work in process	393,756	147,871
Inventories, gross	5,947,309	5,675,766
Reserve for obsolescence	(503,967)	(418,532)
Inventories, net	$ 5,443,342	$ 5,257,234

Note 8 - Property and Equipme51

Note 8 - Property and Equipment - Property and Equipment (Details) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Property and equipment	$ 2,440,189	$ 2,163,797
Accumulated depreciation	(1,956,722)	(1,654,194)
Property and equipment, net	483,467	509,603
Furniture and Fixtures [Member]
Property and equipment	1,296,249	1,093,502
Machinery and Equipment [Member]
Property and equipment	1,067,802	994,157
Leasehold Improvements [Member]
Property and equipment	$ 76,138	$ 76,138

Note 8 - Property and Equipme52

Note 8 - Property and Equipment - Property and Equipment, Depreciation Expense (Details) - USD ($)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Depreciation expense	$ 121,967	$ 59,153

Note 9 - Accrued Liabilities -

Note 9 - Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)	Mar. 31, 2018	Sep. 30, 2017
Payroll and related	$ 1,214,039	$ 1,870,579
Deferred revenue	1,028,497	268,580
Accrued contract costs	474,068	197,034
Severance	327,937
Business Combination, Contingent Consideration, Liability, Current	185,250
Warranty reserve	169,204	179,101
Deferred rent	15,367	46,101
Total	$ 3,414,362	$ 2,561,395

Note 9 - Accrued Liabilities 54

Note 9 - Accrued Liabilities - Changes in Warranty Reserve (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Beginning balance	$ 188,308	$ 353,938	$ 179,101	$ 356,984
Warranty provision		101,673	12,361	111,369
Warranty settlements	(19,104)	(6,470)	(22,258)	(19,212)
Ending balance	$ 169,204	$ 449,141	$ 169,204	$ 449,141

Note 10 - Income Taxes (Details

Note 10 - Income Taxes (Details Textual) - USD ($)	3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2019
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability		$ 2,474,000
Income Tax Expense (Benefit), Excluding Adjustment of Deferred Tax (Asset) Liability				$ 393,339
Effective Income Tax Rate Reconciliation, Percent, Total				25.10%	38.10%
Income Tax Expense (Benefit), Total	$ 158,451		$ 169,285	$ 2,867,339	$ (317,243)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total				$ 0
Scenario, Forecast [Member]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent						21.00%

Note 11 - Debt (Details Textual

Note 11 - Debt (Details Textual)	1 Months Ended	3 Months Ended	6 Months Ended
	Jul. 30, 2018	Mar. 31, 2018USD ($)	Mar. 31, 2018USD ($)	Jun. 30, 2018	Mar. 31, 2018EUR (€)
Term Loans [Member]
Interest Expense, Debt, Total		$ 9,815	$ 9,815
Revolving Credit Facility A [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 61,600	$ 61,600		€ 50,000
Debt Instrument, Interest Rate, Stated Percentage		3.50%	3.50%		3.50%
Term Loan A [Member] | Term Loans [Member]
Debt Instrument, Interest Rate, Stated Percentage		4.80%	4.80%		4.80%
Debt Instrument, Prepayment Penalty, Percentage		3.00%	3.00%		3.00%
Term Loan B [Member] | Term Loans [Member]
Debt Instrument, Interest Rate, Stated Percentage
Debt Instrument, Prepayment Penalty, Percentage		0.00%	0.00%		0.00%
Term Loan B [Member] | Term Loans [Member] | Euribor [Member]
Debt Instrument, Basis Spread on Variable Rate		3.50%
Term Loan C [Member] | Term Loans [Member]
Debt Instrument, Interest Rate, Stated Percentage		4.29%	4.29%		4.29%
Debt Instrument, Prepayment Penalty, Percentage		0.00%	0.00%		0.00%
Term Loan D [Member] | Term Loans [Member]
Debt Instrument, Interest Rate, Stated Percentage
Term Loan D [Member] | Term Loan C [Member]
Debt Instrument, Prepayment Penalty, Percentage		0.50%	0.50%		0.50%
Term Loan D [Member] | Term Loan C [Member] | Scenario, Forecast [Member]
Debt Instrument, Interest Rate, Stated Percentage				2.44%
Term Loan D [Member] | Term Loan C [Member] | Euribor [Member] | Scenario, Forecast [Member]
Debt Instrument, Basis Spread on Variable Rate	2.44%
Revolving Credit Facility B [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 61,600	$ 61,600		€ 50,000
Debt Instrument, Interest Rate, Stated Percentage		3.95%	3.95%		3.95%
Revolving Credit Facility C [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 61,600	$ 61,600		€ 50,000
Debt Instrument, Interest Rate, Stated Percentage		3.00%	3.00%		3.00%
Collateral Pledged [Member] | Term Loans [Member]
Restricted Cash, Total		$ 428,425	$ 428,425
Collateral Pledged [Member] | Loan with Ministry of Industry, Tourism, and Commerce, Due December 31, 2018 [Member] | Genasys Acquisition [Member] | Loans With Governmental Agencies [Member]
Restricted Cash, Total		26,113	26,113
Collateral Pledged [Member] | Loan with Ministry of Industry, Tourism, and Commerce, Due December 31, 2019 [Member] | Genasys Acquisition [Member] | Loans With Governmental Agencies [Member]
Restricted Cash, Total		$ 40,373	$ 40,373
Cash Pledged as Collateral, Percentage of the Original Principal Received		25.00%	25.00%		25.00%
Collateral Pledged [Member] | Loan with Ministry of Industry, Tourism, and Commerce, Due January 31, 2020 [Member] | Genasys Acquisition [Member] | Loans With Governmental Agencies [Member]
Restricted Cash, Total		$ 63,774	$ 63,774
Cash Pledged as Collateral, Percentage of the Original Principal Received		35.00%	35.00%		35.00%
Collateral Pledged [Member] | Loan with Ministry of Science and Innovation, Due February 2, 2024 [Member] | Genasys Acquisition [Member] | Loans With Governmental Agencies [Member]
Restricted Cash, Total		$ 296,440	$ 296,440
Cash Pledged as Collateral, Percentage of the Original Principal Received		66.60%	66.60%		66.60%

Note 11 - Debt - Debt From Acqu

Note 11 - Debt - Debt From Acquisition (Details)	Mar. 31, 2018USD ($)
Debt	$ 1,165,548
Debt	1,165,548
Revolving Credit Facility [Member]
Revolving Credit Facilities (2)	198,850
Loans With Governmental Agencies [Member]
Debt	847,215
Debt	847,215
Term Loans [Member]
Debt	119,483
Debt	119,483
Genasys Acquisition [Member]
Debt	1,165,548
Debt	1,165,548
Less current portion	(896,317)
Total long-term debt	269,231
Genasys Acquisition [Member] | Revolving Credit Facility [Member]
Revolving Credit Facilities (2)	198,850	[1]
Genasys Acquisition [Member] | Loans With Governmental Agencies [Member]
Debt	847,215	[2]
Debt	847,215	[2]
Genasys Acquisition [Member] | Term Loans [Member]
Debt	119,483	[3]
Debt	$ 119,483	[3]
[1]	Revolving credit facilities were used by Genasys to meet short-term operating needs. Revolving credit facilities as of March 31, 2018 are as follows:
[2]	Loans with governmental agencies represents debt granted by ministries within Spain and the European Union for the purpose of stimulating economic development and promoting research and development. Loans with governmental agencies as of March 31, 2018 are as follows:
[3]	Term Loans as of March 31, 2018 are as follows:

Note 11 - Debt - Loans With Gov

Note 11 - Debt - Loans With Governmental Agencies (Details)	6 Months Ended
	Mar. 31, 2018USD ($)
Principal, loans with governmental agencies	$ 1,165,548
Loans With Governmental Agencies [Member]
Principal, loans with governmental agencies	$ 847,215
Loans With Governmental Agencies [Member] | Ministry of Industry, Tourism, and Commerce, Debt, Due December 31, 2018 [Member]
Due date, loans with governmental agencies	Dec. 31, 2018	[1]
Interest rate, loans with governmental agencies	0.53%	[1]
Principal, loans with governmental agencies	$ 73,865	[1]
Loans With Governmental Agencies [Member] | Ministry of Industry, Tourism, and Commerce, Debt, Due December 31, 2019 [Member]
Due date, loans with governmental agencies	Dec. 31, 2019	[2]
Interest rate, loans with governmental agencies	0.51%	[2]
Principal, loans with governmental agencies	$ 107,933	[2]
Loans With Governmental Agencies [Member] | Ministry of Industry, Tourism, and Commerce, Debt, Due January 31, 2020 [Member]
Due date, loans with governmental agencies	Jan. 31, 2020	[3]
Interest rate, loans with governmental agencies	3.95%	[3]
Principal, loans with governmental agencies	$ 94,634	[3]
Loans With Governmental Agencies [Member] | Ministry of Science and Innovation, Debt, Due February 2, 2022 [Member]
Due date, loans with governmental agencies	Feb. 2, 2022
Interest rate, loans with governmental agencies	0.00%
Principal, loans with governmental agencies	$ 74,136
Loans With Governmental Agencies [Member] | Ministry of Science and Innovation, Debt, Due February 2, 2024 [Member]
Due date, loans with governmental agencies	Feb. 2, 2024	[4]
Interest rate, loans with governmental agencies	0.00%	[4]
Principal, loans with governmental agencies	$ 296,440	[4]
Loans With Governmental Agencies [Member] | Center for Development of Industrial Technology, Debt, Due March 31, 2021 [Member]
Due date, loans with governmental agencies	Mar. 31, 2021
Interest rate, loans with governmental agencies	0.00%
Principal, loans with governmental agencies	$ 94,306
Loans With Governmental Agencies [Member] | European Union Agency for Network and Information Security, Debt, Due October 28, 2018 [Member]
Due date, loans with governmental agencies	Oct. 28, 2018
Interest rate, loans with governmental agencies	2.95%
Principal, loans with governmental agencies	$ 105,902
[1]	This loan is secured by $26,113 of cash pledged as collateral by Genasys. This amount is included in restricted cash at March 31, 2018. The cash will be released upon repayment of the loan.
[2]	This loan is secured by $40,373 of cash pledged as collateral by Genasys, which represents 25% of the original principal received. This amount is included in restricted cash at March 31, 2018. The cash will be released upon repayment of the loan.
[3]	This loan is secured by $63,774 of cash pledged as collateral by Genasys, which represents 35% of the original principal received. This amount is included in restricted cash at March 31, 2018. The cash will be released upon repayment of the loan.
[4]	This loan is secured by $296,440 of cash pledged as collateral by Genasys, which is the current balance of the loan. This amount represents 66.6% of the original principal received. This amount is included in restricted cash at March 31, 2018. The Company expects the Ministry of Science and Innovation to declare the terms of the loan satisfied within fiscal year 2018, accordingly, this has been included in the current portion of notes payable as of March 31, 2018.

Note 11 - Debt - Revolving Cred

Note 11 - Debt - Revolving Credit Facilities (Details) - Revolving Credit Facility [Member]	Mar. 31, 2018USD ($)
Principal, credit facility	$ 198,850
Revolving Credit Facility A [Member]
Interest rate, loans with governmental agencies	3.50%
Principal, credit facility	$ 58,092
Revolving Credit Facility B [Member]
Interest rate, loans with governmental agencies	3.95%
Principal, credit facility	$ 60,811
Revolving Credit Facility C [Member]
Interest rate, loans with governmental agencies	3.00%
Principal, credit facility	$ 60,199
Other Revolving Credit Facilities [Member]
Interest rate, loans with governmental agencies	4.20%
Principal, credit facility	$ 19,748

Note 11 - Debt - Term Loans (De

Note 11 - Debt - Term Loans (Details)	6 Months Ended
	Mar. 31, 2018USD ($)
Principal, loans with governmental agencies	$ 1,165,548
Term Loans [Member]
Principal, loans with governmental agencies	$ 119,483
Term Loans [Member] | Term Loan A [Member]
Due date, loans with governmental agencies	Oct. 20, 2018
Interest rate, loans with governmental agencies	4.80%
Principal, loans with governmental agencies	$ 12,681
Term Loans [Member] | Term Loan B [Member]
Due date, loans with governmental agencies	May 27, 2019
Interest rate, loans with governmental agencies
Principal, loans with governmental agencies	$ 18,549
Term Loans [Member] | Term Loan C [Member]
Due date, loans with governmental agencies	Jun. 20, 2019
Interest rate, loans with governmental agencies	4.29%
Principal, loans with governmental agencies	$ 39,951
Term Loans [Member] | Term Loan D [Member]
Due date, loans with governmental agencies	Jul. 12, 2020
Interest rate, loans with governmental agencies
Principal, loans with governmental agencies	$ 48,302

Note 11 - Debt - Future Annual

Note 11 - Debt - Future Annual Payments (Details)	Mar. 31, 2018USD ($)
April 2018-March 2019	$ 896,317
April 2019-March 2020	173,035
April 2020-March 2021	48,796
April 2021-March 2022	47,400
April 2022-March 2023
Thereafter
Debt	$ 1,165,548

Note 12 - Commitments and Con62

Note 12 - Commitments and Contingencies (Details Textual) - USD ($)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Jan. 18, 2018	Sep. 30, 2017
Target Bonus Amounts of Percentage of Employee Base Salary, Minimum	25.00%
Target Bonus Amounts of Percentage of Employee Base Salary Maximum	75.00%
Payment of Bonus as Percentage, Level 1	50.00%
Payment of Bonus as Percentage, Level 2	100.00%
Payment of Bonus as Percentage, Level 3	200.00%
Business Combination, Contingent Consideration, Liability, Current	$ 185,250
Genasys [Member]
Business Combination, Contingent Consideration, Liability, Current			$ 185,250
Bonuses and Related Payroll Tax Expense [Member]
Increase (Decrease) in Other Employee-Related Liabilities	$ 738,543	$ 379,080

Note 13 - Share-based Compens63

Note 13 - Share-based Compensation (Details Textual) - USD ($)	Mar. 20, 2018	Mar. 14, 2017	Aug. 01, 2016	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance				4,472,817			4,472,817		4,663,502
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance				$ 2.15			$ 2.15		$ 2.16
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term							3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value				$ 1,242,236			$ 1,242,236
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value				990,806			990,806
Allocated Share-based Compensation Expense, Total				145,789	$ 177,402		284,250	$ 642,151
Share-based Compensation, Total							$ 284,250	$ 642,151
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value							$ 0.89	$ 0.71
Dividends, Total							$ 0	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total				900,000			$ 900,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition							1 year 328 days
Employee Stock Option [Member]
Allocated Share-based Compensation Expense, Total							$ 307,324
Performance Shares [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			750,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			7 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Performance Criteria, Maximum Vested Per Year, Number			375,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number			187,500
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price, Ending Balance			$ 0.81
Restricted Stock Units (RSUs) [Member]
Share-based Compensation, Total				$ 210,176
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				93,330
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Restricted Stock Units (RSUs) [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Per Person	25,000	25,000				25,000
Share-based Compensation, Total	$ 278,750	$ 197,500
Non-employee Stock Option [Member] | Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, that Would Have Been Granted in Period						20,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance				$ 0.93			$ 0.93
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance				$ 3.17			$ 3.17
2015 Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized							5,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance				2,279,315			2,279,315
2005 Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance				2,193,502			2,193,502

Note 13 - Share-based Compens64

Note 13 - Share-based Compensation - Stock Option Activity (Details)	6 Months Ended
	Mar. 31, 2018$ / sharesshares
Number of Shares Outstanding, Beginning Balance (in shares) | shares	4,663,502
Weighted Average Exercise Price, Shares Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 2.16
Number of Shares Granted (in shares) | shares	3,500
Weighted Average Exercise Price, Shares Granted (in dollars per share) | $ / shares	$ 2.21
Number of Shares Forfeited/expired (in shares) | shares	(83,333)
Weighted Average Exercise Price, Shares Forfeited/expired (in dollars per share) | $ / shares	$ 2.84
Number of Shares Exercised (in shares) | shares	(110,852)
Weighted Average Exercise Price, Exercised (in dollars per share) | $ / shares	$ 1.68
Number of Shares Outstanding, Ending Balance (in shares) | shares	4,472,817
Weighted Average Exercise Price, Shares Outstanding, Ending Balance (in dollars per share) | $ / shares	$ 2.15
Number of Shares Exercisable (in shares) | shares	3,298,533
Weighted Average Exercise Price, Shares Exercisable (in dollars per share) | $ / shares	$ 2.23

Note 13 - Share-based Compens65

Note 13 - Share-based Compensation - Summary of Share-based Compensation Expense (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Allocated Share-based Compensation Expense, Total	$ 145,789	$ 177,402	$ 284,250	$ 642,151
Cost of Sales [Member]
Allocated Share-based Compensation Expense, Total	5,047	5,874	11,256	11,751
Selling, General and Administrative Expenses [Member]
Allocated Share-based Compensation Expense, Total	120,133	148,600	229,455	584,097
Research and Development Expense [Member]
Allocated Share-based Compensation Expense, Total	$ 20,609	$ 22,928	$ 43,539	$ 46,303

Note 13 - Share-based Compens66

Note 13 - Share-based Compensation - Weighted-average Assumptions (Details)	6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Volatility	45.40%
Risk-free interest rate	2.20%
Forfeiture rate	10.00%	10.00%
Dividend yield	0.00%	0.00%
Expected life in years (Year)	4 years 219 days
Minimum [Member]
Volatility		47.50%
Risk-free interest rate		1.70%
Expected life in years (Year)		3 years 292 days
Maximum [Member]
Volatility		53.70%
Risk-free interest rate		2.00%
Expected life in years (Year)		4 years 219 days

Note 14 - Stockholders' Equit67

Note 14 - Stockholders' Equity (Details Textual) - USD ($) shares in Thousands, $ / shares in Thousands, $ in Millions	6 Months Ended
	Mar. 31, 2018	Mar. 30, 2018	Mar. 31, 2017	Dec. 31, 2017
Common Stock, Dividends, Per Share, Declared		$ 0	$ 0
Share Buyback Program [Member]
Stock Repurchase Program, Authorized Amount				$ 4
Stock Repurchased and Retired During Period, Shares	0		0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 3.9

Note 14 - Stockholders' Equit68

Note 14 - Stockholders' Equity - Summary of Changes in Stockholders' Equity (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Balances			$ 35,184,039
Share-based compensation expense			$ 284,250
Issuance of common stock upon exercise of stock options, net (in shares)			110,852
Issuance of common stock upon exercise of stock options, net			$ 185,718
Issuance of common stock upon vesting of restricted stock units
Other comprehensive loss			(12,513)
Net (loss)	$ 460,908	$ 298,350	(1,222,344)	$ (514,329)
Balances	$ 34,419,150		$ 34,419,150
Common Stock [Member]
Balances (in shares)			32,158,436
Balances			$ 322
Issuance of common stock upon exercise of stock options, net (in shares)			110,852
Issuance of common stock upon vesting of restricted stock units (in shares)			125,000
Issuance of common stock upon vesting of restricted stock units
Balances (in shares)	32,394,288		32,394,288
Balances	$ 322		$ 322
Additional Paid-in Capital [Member]
Balances			87,956,839
Share-based compensation expense			284,250
Issuance of common stock upon exercise of stock options, net			185,718
Issuance of common stock upon vesting of restricted stock units
Balances	88,426,807		88,426,807
Retained Earnings [Member]
Balances			(52,771,853)
Issuance of common stock upon vesting of restricted stock units
Net (loss)			(1,222,344)
Balances	(53,994,197)		(53,994,197)
AOCI Attributable to Parent [Member]
Balances			(1,269)
Issuance of common stock upon vesting of restricted stock units
Other comprehensive loss			(12,513)
Balances	$ (13,782)		$ (13,782)

Note 15 - Net Loss Per Share -

Note 15 - Net Loss Per Share - Basic and Diluted Loss Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Numerator:
Net income (loss)	$ 460,908	$ 298,350	$ (1,222,344)	$ (514,329)
Denominator:
Weighted average common shares outstanding - basic and diluted (in shares)	32,275,647	31,800,103	32,212,286	31,800,103
Assumed exercise of dilutive options and warrants (in shares)	1,023,559	63,799
Diluted (in shares)	33,299,206	31,863,902	32,212,286	31,800,103
Net income (loss) per common share - basic and diluted (in dollars per share)	$ 0.01	$ 0.01	$ (0.04)	$ (0.02)
Diluted income (loss) per common share (in dollars per share)	$ 0.01	$ 0.01	$ (0.04)	$ (0.02)
Antidilutive securities (in shares)	1,984,580	3,311,836	2,924,897	3,239,836
Employee Stock Option [Member]
Denominator:
Antidilutive securities (in shares)	1,766,250	3,061,836	2,706,567	2,989,836
Restricted Stock Units (RSUs) [Member]
Denominator:
Antidilutive securities (in shares)	218,330	250,000	218,330	250,000

Note 16 - Segment Information70

Note 16 - Segment Information (Details Textual)	6 Months Ended
	Mar. 31, 2018
Number of Reportable Segments	2
Number of Operating Segments	2

Note 16 - Segment Information -

Note 16 - Segment Information - Segment Disclosures (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017	Sep. 30, 2017
Revenues	$ 7,868,448	$ 5,742,391	$ 15,497,015	$ 8,683,726
Operating Income	604,154	435,561	1,595,260	(893,774)
Depreciation and amortization	(133,704)		(193,809)
Interest expense	(9,815)		(9,815)
Income tax expense	(158,451)	$ (169,285)	(2,867,339)	$ 317,243
Long-lived assets	4,921,001		4,921,001		$ 565,292
Total assets	40,889,487		40,889,487		38,857,800
Intersegment Eliminations [Member]
Revenues	89,818		89,818
LRAD Segment [Member]
Revenues	7,453,794		15,082,361
Operating Income	579,498		1,570,604
Depreciation and amortization	(64,660)		(124,765)
Interest expense
Income tax expense	(158,451)		(2,867,339)
Long-lived assets	527,872		527,872		565,292
Total assets	35,471,343		35,471,343		38,857,800
LRAD Segment [Member] | Intersegment Eliminations [Member]
Revenues
Genasys Segment [Member]
Revenues	414,654		414,654
Operating Income	24,656		24,656
Depreciation and amortization	(69,044)		(69,044)
Interest expense	(9,815)		(9,815)
Income tax expense
Long-lived assets	4,393,129		4,393,129
Total assets	5,418,144		5,418,144
Genasys Segment [Member] | Intersegment Eliminations [Member]
Revenues	$ 89,818		$ 89,818

Note 17 - Major Customers (Deta

Note 17 - Major Customers (Details Textual) - Customer Concentration Risk [Member]	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Sales Revenue, Net [Member] | Customer 1 [Member]
Concentration Risk, Percentage	40.00%	23.00%	33.00%	15.00%
Sales Revenue, Net [Member] | Customer 2 [Member]
Concentration Risk, Percentage	15.00%	11.00%	16.00%	10.00%
Sales Revenue, Net [Member] | Customer 3 [Member]
Concentration Risk, Percentage	14.00%
Accounts Receivable [Member] | Customer 1 [Member]
Concentration Risk, Percentage				41.00%
Accounts Receivable [Member] | Customer 2 [Member]
Concentration Risk, Percentage				24.00%
Accounts Receivable [Member] | Customer 3 [Member]
Concentration Risk, Percentage	56.00%			14.00%

Note 17 - Major Customers - Sch

Note 17 - Major Customers - Schedule of Major Customers (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenues	$ 7,868,448	$ 5,742,391	$ 15,497,015	$ 8,683,726
Americas [Member]
Revenues	5,051,072	2,099,151	11,104,110	3,721,509
Asia Pacific [Member]
Revenues	2,255,856	2,923,825	3,277,762	3,908,425
Europe, Middle East and Africa [Member]
Revenues	$ 561,520	$ 719,415	$ 1,115,143	$ 1,053,792

Uncategorized Items - lrad-2018

Label	Element	Value
us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue	us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue	$ 363,745
us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue	us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue	39,466
us-gaap_RestrictedCashAndCashEquivalentsNoncurrent	us-gaap_RestrictedCashAndCashEquivalentsNoncurrent	104,146
us-gaap_RestrictedCashAndCashEquivalentsNoncurrent	us-gaap_RestrictedCashAndCashEquivalentsNoncurrent