ADDvantage Technologies (AEYGQ) 10-Q 14 May 20 2020 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Mar. 31, 2020	Apr. 30, 2020
Document Information [Line Items]
Entity Registrant Name	ADDVANTAGE TECHNOLOGIES GROUP INC
Entity Central Index Key	0000874292
Trading Symbol	aey
Current Fiscal Year End Date	--09-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding (in shares)		10,471,292
Entity Shell Company	false
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Title of 12(b) Security	Common Stock, $.01 par value

Consolidated Condensed Balance

Consolidated Condensed Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Assets
Cash and cash equivalents	$ 4,156,068	$ 1,242,143
Restricted cash	104,300	351,909
Accounts receivable, net of allowance for doubtful accounts of $250,000 and $150,000, respectively	4,893,779	4,826,716
Unbilled revenue	1,660,710	2,691,232
Promissory note – current	1,400,000	1,400,000
Income tax receivable	34,915	21,350
Inventories, net of allowance for excess and obsolete inventory of $3,400,000 and $1,275,000, respectively	5,406,181	7,625,573
Prepaid expenses	1,124,087	543,762
Other assets	163,727	262,462
Total current assets	18,943,767	18,965,147
Property and equipment, at cost:
Machinery and equipment	3,422,299	2,475,545
Leasehold improvements	483,928	190,984
Total property and equipment, at cost	3,906,227	2,666,529
Less: Accumulated depreciation	(1,126,489)	(835,424)
Net property and equipment	2,779,738	1,831,105
Right-of-use operating lease assets	5,178,084
Promissory note – noncurrent	4,390,738	4,975,000
Intangibles, net of accumulated amortization	1,584,349	6,002,998
Goodwill	57,554	4,877,739
Other assets	180,452	176,355
Total assets	33,114,682	36,828,344
Current liabilities:
Accounts payable	4,375,148	4,730,537
Accrued expenses	1,363,364	1,617,911
Deferred revenue	260,420	97,478
Bank line of credit	3,500,000
Note payable – current	1,244,289
Operating lease obligations – current	1,219,301
Financing lease obligations – current	317,023
Other current liabilities		757,867
Total current liabilities	12,279,545	7,203,793
Note payable	2,213,104
Operating lease obligations	4,174,774
Financing lease obligations	708,825
Other liabilities	14,530	177,951
Total liabilities	19,390,778	7,381,744
Shareholders’ equity:
Common stock, $.01 par value; 30,000,000 shares authorized; 10,971,950 and 10,861,950 shares issued, respectively; 10,471,292 and 10,361,292 shares outstanding, respectively	109,720	108,620
Paid in capital	(3,722,126)	(4,377,103)
Retained earnings	18,336,324	34,715,097
Total shareholders’ equity before treasury stock	14,723,918	30,446,614
Less: Treasury stock, 500,658 shares, at cost	(1,000,014)	(1,000,014)
Total shareholders’ equity	13,723,904	29,446,600
Total liabilities and shareholders’ equity	$ 33,114,682	$ 36,828,344

Consolidated Condensed Balanc_2

Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Inventories, allowance for excess and obsolete inventory	$ 3,400,000	$ 1,275,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000,000	300,000,000
Common stock, shares issued (in shares)	10,971,950	10,861,950
Common stock, shares outstanding (in shares)	10,471,292	10,361,292
Treasury stock, shares (in shares)	500,658	500,658

Consolidated Condensed Statemen

Consolidated Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Sales	$ 11,959,125	$ 12,889,940	$ 25,921,483	$ 19,700,037
Cost of sales	12,397,762	9,413,424	22,768,138	14,500,132
Gross profit	(438,637)	3,476,516	3,153,345	5,199,905
Operating expenses	1,967,134	1,838,452	3,854,860	2,331,274
Selling, general and administrative expenses	3,079,181	2,599,236	6,098,584	4,538,841
Impairment of intangibles including goodwill	8,714,306		8,714,306
Depreciation and amortization expense	507,785	387,703	955,359	687,088
Loss from operations	(14,707,043)	(1,348,875)	(16,469,764)	(2,357,298)
Other income (expense):
Interest income	86,672		175,303
Income from equity method investment	18,500	55,000	40,500	55,000
Other expense	(92)	(40,509)	(57,134)	(40,420)
Interest expense	(59,118)	(19,775)	(82,678)	(42,752)
Total other income (expense), net	45,962	(5,284)	75,991	(28,172)
Loss before income taxes	(14,661,081)	(1,354,159)	(16,393,773)	(2,385,470)
Provision (benefit) for income taxes		(143,000)	(15,000)	29,000
Loss from continuing operations	(14,661,081)	(1,211,159)	(16,378,773)	(2,414,470)
Income (loss) from discontinued operations, net of tax		(4,704)		159,626
Net loss	$ (14,661,081)	$ (1,215,863)	$ (16,378,773)	$ (2,254,844)
Income (loss) per share:
Continuing operations (in dollars per share)	$ (1.41)	$ (0.12)	$ (1.58)	$ (0.24)
Discontinued operations (in dollars per share)		0		0.02
Net loss (in dollars per share)	(1.41)	(0.12)	(1.58)	(0.22)
Continuing operations (in dollars per share)	(1.41)	(0.12)	(1.58)	(0.24)
Discontinued operations (in dollars per share)		0		0.02
Net loss (in dollars per share)	$ (1.41)	$ (0.12)	$ (1.58)	$ (0.22)
Shares used in per share calculation:
Basic (in shares)	10,423,514	10,361,292	10,392,404	10,361,292
Diluted (in shares)	10,423,514	10,361,292	10,392,404	10,361,292

Consolidated Condensed Statem_2

Consolidated Condensed Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Paid in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Sep. 30, 2018	10,806,803
Balance at Sep. 30, 2018	$ 108,068	$ (4,598,343)	$ 40,017,540	$ (1,000,014)	$ 34,527,251
Net loss			(1,038,981)		(1,038,981)
Share based compensation expense		28,070			28,070
Restricted stock issuance	$ 552	74,448			75,000
Share based compensation expense		28,070			28,070
Restricted stock issuance (in shares)	55,147
Balance (in shares) at Dec. 31, 2018	10,861,950
Balance at Dec. 31, 2018	$ 108,620	(4,495,825)	38,978,559	(1,000,014)	33,591,340
Net loss			(1,215,863)		(1,215,863)
Share based compensation expense		33,019			33,019
Share based compensation expense		33,019			33,019
Balance (in shares) at Mar. 31, 2019	10,861,950
Balance at Mar. 31, 2019	$ 108,620	(4,462,806)	37,762,696	(1,000,014)	32,408,496
Balance (in shares) at Sep. 30, 2019	10,861,950
Balance at Sep. 30, 2019	$ 108,620	(4,377,103)	34,715,097	(1,000,014)	29,446,600
Net loss			(1,717,692)		(1,717,692)
Share based compensation expense		13,890			13,890
Share based compensation expense		13,890			13,890
Balance (in shares) at Dec. 31, 2019	10,861,950
Balance at Dec. 31, 2019	$ 108,620	(4,363,213)	32,997,405	(1,000,014)	27,742,798
Balance (in shares) at Sep. 30, 2019	10,861,950
Balance at Sep. 30, 2019	$ 108,620	(4,377,103)	34,715,097	(1,000,014)	$ 29,446,600
Stock option exercise (in shares)					110,000
Balance (in shares) at Mar. 31, 2020	10,971,950
Balance at Mar. 31, 2020	$ 109,720	(3,722,126)	18,336,324	(1,000,014)	$ 13,723,904
Balance (in shares) at Dec. 31, 2019	10,861,950
Balance at Dec. 31, 2019	$ 108,620	(4,363,213)	32,997,405	(1,000,014)	27,742,798
Net loss			(14,661,081)		(14,661,081)
Share based compensation expense		(6,364)			(6,364)
Restricted stock issuance		475,618			475,618
Stock option exercise (in shares)	110,000
Stock option exercise	$ 1,100	171,833			172,933
Share based compensation expense		(6,364)			(6,364)
Balance (in shares) at Mar. 31, 2020	10,971,950
Balance at Mar. 31, 2020	$ 109,720	$ (3,722,126)	$ 18,336,324	$ (1,000,014)	$ 13,723,904

Consolidated Condensed Statem_3

Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019
Operating Activities
Net loss	$ (14,661,081)	$ (1,215,863)		$ (16,378,773)		$ (2,254,844)
Net income from discontinued operations		(4,704)			$ 159,626	159,626
Net loss from continuing operations	(14,661,081)	(1,211,159)	(16,378,773)	(16,378,773)	(2,414,470)	(2,414,470)
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation				427,942		147,438
Amortization				527,417		539,650
Impairment of intangibles including goodwill	8,714,306			8,714,306
Provision for excess and obsolete inventories				2,125,000		77,889
Share based compensation expense				106,059		106,089
Loss from disposal of property and equipment						19,377
Gain from equity method investment	(18,500)	(55,000)		(40,500)		(55,000)
Changes in assets and liabilities:
Accounts receivable				(67,064)		(1,537,168)
Unbilled revenue				1,030,522		(935,676)
Income tax receivable\payable				(13,565)		90,702
Inventories				94,392		(1,122,543)
Prepaid expenses and other assets				(108,605)		(397,793)
Accounts payable				(355,389)		1,088,667
Accrued expenses and other liabilities				(401,003)		43,055
Deferred revenue				162,942
Net cash used in operating activities – continuing operations				(4,176,319)		(4,349,783)
Net cash provided by operating activities – discontinued operations						159,362
Net cash used in operating activities				(4,176,319)		(4,190,421)
Investing Activities
Proceeds from promissory note receivable				584,262
Acquisition of net operating assets of a business						(1,264,058)
Loan repayment from equity method investee				40,500		104,000
Purchases of property and equipment				(155,250)		(139,668)
Disposals of property and equipment				82,933
Net cash provided by (used in) investing activities – continuing operations				552,445		(1,299,726)
Net cash provided by investing activities – discontinued operations						6,350,000
Net cash provided by investing activities				552,445		5,050,274
Financing Activities
Change in bank line of credit				3,500,000
Proceeds from note payable				3,457,393
Guaranteed payments for acquisition of business				(667,000)		(667,000)
Payments on financing lease obligations			(173,136)	(173,136)
Payments on notes payable						(1,246,279)
Proceeds from stock options exercised				172,933
Net cash provided by (used in) financing activities – continuing operations				6,290,190		(1,913,279)
Net cash used in financing activities – discontinued operations						(597,906)
Net cash provided by (used in) financing activities				6,290,190		(2,511,185)
Net increase (decrease) in cash and cash equivalents and restricted cash				2,666,316		(1,651,332)
Cash and cash equivalents and restricted cash at beginning of period				1,594,052		3,129,280
Cash and cash equivalents and restricted cash at end of period	$ 4,260,368	$ 1,477,948	$ 4,260,368	4,260,368	$ 1,477,948	1,477,948
Supplemental cash flow information:
Cash paid for interest				143,668		92,939
Cash paid for income taxes

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation and Accounting Policies	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Significant Accounting Policies [Text Block]	Note 1 Accounting Policies Basis of presentation The unaudited consolidated condensed financial statements include the accounts of ADDvantage Technologies Group, Inc. and its subsidiaries, all of which are wholly owned (collectively, the “Company” or “we”). Intercompany balances and transactions have been eliminated in consolidation. The Company’s reportable segments are Wireless Infrastructure Services (“Wireless”) and Telecommunications (“Telco”). The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial statements and do not not six March 31, 2020 2019, not 10 September 30, 2019. Reclassification The Company changed its presentation of cost of sales and operating, selling, general and administrative expenses on the unaudited consolidated condensed statements of operations. During fiscal year 2020, not no Recently Issued Accounting Standards In June 2016, 2016 13: 326 2016 13 December 15, 2019, may December 15, 2018,

Note 2 - Revenue Recognition

Note 2 - Revenue Recognition	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	Note 2 The Company’s principal sales are from Wireless services, sales of Telco equipment and Telco recycled equipment. Sales are primarily to customers in the United States. International sales are made by the Telco segment to customers in Central America, South America and, to a substantially lesser extent, other international regions that utilize the same technology which totaled approximately $0.4 $0.5 three March 31, 2020 2019, $0.8 $1.0 six March 31, 2020 2019, The Company’s customers include wireless carriers, wireless equipment providers, multiple system operators, resellers and direct sales to end-user customers. Sales to the Company’s largest customer totaled approximately 10% six March 31, 2020. Our sales by type were as follows: Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Wireless services sales $ 4,671,850 $ 4,217,924 $ 11,469,731 $ 4,217,924 Equipment sales: Telco 6,981,478 8,258,719 13,764,461 14,878,129 Intersegment ‒ (3,905 ) ‒ (44,147 ) Telco repair sales 7,792 10,400 16,202 14,000 Telco recycle sales 298,005 406,802 671,089 634,131 Total sales $ 11,959,125 $ 12,889,940 $ 25,921,483 $ 19,700,037 The timing of revenue recognition from the wireless segment results in contract assets and contract liabilities. Generally, billing occurs subsequent to revenue recognition, resulting in contract assets. However, the Company sometimes receives advances or deposits from customers before revenue is recognized, resulting in contract liabilities. Contract assets and contract liabilities are included in Unbilled revenue and Deferred revenue, respectively, in the consolidated condensed balance sheets. At March 31, 2020 September 30, 2019, $1.7 $2.7 $1.0 $0.1 $0.1 six March 31, 2020 September 30, 2019.

Note 3 - Accounts Receivable Ag

Note 3 - Accounts Receivable Agreements	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Financing Receivables [Text Block]	Note 3 – Accounts Receivable Agreements The Company’s Wireless segment has entered into various agreements, one third third 90% 10% third 10% March 31, 2020, third $0.1 may $0.8 March 31, 2020 $4.0 not March 31, 2020 For the six March 31, 2020 2019, $11.4 $2.9 1.0% 1.8% six March 31, 2020 1.7% 1.9% six March 31, 2019. $0.1 $0.2 three six March 31, 2020, $0.1 three six March 31, 2019, The Company accounts for these transactions in accordance with ASC 860, 860” 860

Note 4 - Promissory Note

Note 4 - Promissory Note	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	Note 4 – Promissory Note The Company completed a sale of its former Cable TV reporting segment on June 30, 2019. first 2020, 8 8” first $0.7 $0.1 8. March 10, 2020, $3.5 8 The remaining promissory note will be paid in semi-annual installments over five 6% Fiscal year 2020 $ 700,000 Fiscal year 2021 1,400,000 Fiscal year 2022 940,000 Fiscal year 2023 940,000 Fiscal year 2024 2,970,000 Total proceeds 6,950,000 Less: interest to be paid (1,159,262 ) Promissory note principal balance $ 5,790,738

Note 5 - Inventories

Note 5 - Inventories	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Inventory Disclosure [Text Block]	Note 5 – Inventories Inventories, which are all within the Telco segment, at March 31, 2020 September 30, 2019 March 31, 2020 September 30, 2019 New equipment $ 946,878 $ 1,496,145 Refurbished and used equipment 7,859,303 7,404,428 Allowance for excess and obsolete inventory (3,400,000 ) (1,275,000 ) Total inventories, net $ 5,406,181 $ 7,625,573 New equipment includes products purchased from manufacturers plus “surplus-new”, which are unused products purchased from other distributors or multiple system operators. Refurbished and used equipment includes factory refurbished, Company refurbished and used products. The Telco segment identified certain inventory that more than likely will not not $2.1 $3.4 $1.3 March 31, 2020 September 30, 2019,

Note 6 - Intangible Assets

Note 6 - Intangible Assets	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Intangible Assets Disclosure [Text Block]	Note 6 – Intangible Assets The Company reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the asset’s carrying amount may not 360 10 15, 360 10 15 not As of March 31, 2020, 19 may $3.9 Intangible assets with their associated accumulated amortization and impairment at March 31, 2020 September 30, 2019 March 31, 2020 Gross Accumulated Amortization Impairment Net Intangible assets: Customer relationships – 10 years $ 8,396,000 $ (3,964,306 ) $ (3,894,121 ) $ 537,573 Trade name – 10 years 2,119,000 (1,072,224 ) ‒ 1,046,776 Non-compete agreements – 3 years 374,000 (374,000 ) ‒ ‒ Total intangible assets $ 10,889,000 $ (5,410,530 ) $ (3,894,121 ) $ 1,584,349 September 30, 2019 Gross Accumulated Amortization Net Intangible assets: Customer relationships – 10 years $ 8,396,000 $ (3,547,389 ) $ 4,848,611 Trade name – 10 years 2,119,000 (966,280 ) 1,152,720 Non-compete agreements – 3 years 374,000 (372,333 ) 1,667 Total intangible assets $ 10,889,000 $ (4,886,002 ) $ 6,002,998

Note 7 - Goodwill

Note 7 - Goodwill	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Goodwill Disclosure [Text Block]	Note 7 – Goodwill The Company tests goodwill at least annually for impairment. The Company tests more frequently if indicators are present or changes in circumstances suggest that impairment may one two As of March 31, 2020, 19 19 March 31, 2020. $4.8

Note 8 - Notes Payable and Line

Note 8 - Notes Payable and Line of Credit	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Debt Disclosure [Text Block]	Note 8 – Notes Payable and Line of Credit Loan Agreement On March 10, 2020, $3.5 6% seven first June 30, 2020, June 30, 2023. may 8 4 2019 8, 4 Credit Agreement The Company has a $4.0 December 17, 2020. 4.25% March 31, 2020), March 31, 2020, $3.5 $4.0 80% 25% $3.6 March 31, 2020. Loan Covenant with Primary Financial Lender Both the March 10, 2020 not 1.25 1.0 not September 30, 2020. not Paycheck Protection Program Loan Subsequent to March 31, 2020, $2.9 1% $164,045 November 10, 2020. April 10, 2022. Fair Value of Debt The carrying value of the Company’s variable-rate line of credit approximates its fair value since the interest rate fluctuates periodically based on a floating interest rate. The carrying value of the Company’s term debt approximates fair value.

Note 9 - Earnings Per Share

Note 9 - Earnings Per Share	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 9 – Earnings Per Share Basic earnings per share are based on the sum of the average number of common shares outstanding and issuable, restricted and deferred shares. Diluted earnings per share include any dilutive effect of stock options and restricted stock. In computing the diluted weighted average shares, the average share price for the period is used in determining the number of shares assumed to be reacquired under the treasury stock method from the exercise of options. Basic and diluted earnings per share for the three six March 31, 2020 2019 Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Loss from continuing operations $ (14,661,081 ) $ (1,211,159 ) $ (16,378,773 ) $ (2,414,470 ) Discontinued operations, net of tax − (4,704 ) − 159,626 Net loss attributable to common shareholders $ (14,661,081 ) $ (1,215,863 ) $ (16,378,773 ) $ (2,254,844 ) Basic weighted average shares 10,423,514 10,361,292 10,392,404 10,361,292 Effect of dilutive securities: Stock options ‒ ‒ ‒ ‒ Diluted weighted average shares 10,423,514 10,361,292 10,392,404 10,361,292 Earnings (loss) per common share: Basic: Continuing operations $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.24 ) Discontinued operations − (0.00 ) − 0.02 Net loss $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.22 ) Diluted: Continuing operations $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.24 ) Discontinued operations − (0.00 ) − 0.02 Net loss $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.22 ) The table below includes information related to stock options that were outstanding at the end of each respective three six March 31, three six March 31, 2020 2019. Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Stock options excluded 543,000 620,000 543,000 620,000 Weighted average exercise price of stock options $ 1.75 $ 1.83 $ 1.75 $ 1.83 Average market price of common stock $ 2.79 $ 1.40 $ 2.52 $ 1.37

Note 10 - Stock-based Compensat

Note 10 - Stock-based Compensation	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	Note 10 – Stock-Based Compensation Plan Information The 2015 may not In March 2020, 1,000,000 March 31, 2020, 2,100,415 894,053 Stock Options All share-based payments to employees, including grants of employee stock options, are recognized in the financial statements based on their grant date fair value over the requisite service period. Compensation expense for share-based awards is included in the operating, selling, general and administrative expense section of the Company’s consolidated condensed statements of operations. Stock options are valued at the date of the award, which does not four five ten ten A summary of the status of the Company's stock options at March 31, 2020 six Shares Wtd. Avg. Ex. Price Aggregate Intrinsic Value Outstanding at September 30, 2019 770,000 $ 1.73 $ 352,700 Granted ‒ ‒ ‒ Exercised (110,000 ) $ 1.57 $ 282,833 Expired – – – Forfeited (116,667 ) $ 1.31 $ 130,667 Outstanding at March 31, 2020 543,333 $ 1.85 $ 394,266 Exercisable at March 31, 2020 410,001 $ 1.98 $ 265,334 No six March 31, 2020. zero not zero Compensation expense related to unvested stock options recorded for the six March 31, 2020 Six Months Ended March 31, 2020 Fiscal year 2017 grant $ 4,784 Fiscal year 2019 grants $ 2,744 The Company records compensation expense over the vesting term of the related options. At March 31, 2020, not $16,066. Restricted Stock As a result of the shareholders authorizing the additional shares being added to the Plan in March 2020, 229,768, three The Company granted restricted stock in October 2018 55,147 20% first first

Note 11 - Leases

Note 11 - Leases	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Lessee, Operating and Finance Leases [Text Block]	Note 1 1 – Leases Effective October 1, 2019, 2016 02, 842 842 not In accordance with ASC 842, 1 not twelve 2 not not 842, $4.7 $4.7 842, $0.6 $0.6 The Company categorizes leases at their inception as either operating or finance leases. The Company has operating and financing leases in place for various office and warehouse properties, vehicles and certain wireless services equipment. The leases have remaining lease terms of one ten Leased assets represent the right to use an underlying asset for the lease term, and lease liabilities represent the obligation to make lease payments arising from the lease. Operating lease right-of-use assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. The Company uses a discount rate that approximates the rate of interest for a collateralized loan over a similar term as the discount rate for present value of lease payments when the rate implicit in the contract is not twelve not The components of lease expense were as follows: Three Months ended March 31, 2020 Six Months ended March 31, 2020 Operating lease cost $ 444,642 $ 736,764 Finance lease cost: Amortization of right-of-use assets $ 66,134 $ 126,364 Interest on lease liabilities 12,793 24,962 Total finance lease cost $ 78,927 $ 151,326 Supplemental cash flow information related to leases are as follows for the six March 31, 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 736,764 Operating cash flows from finance leases $ 24,962 Financing cash flows from finance leases $ 173,136 Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 1,146,700 Finance leases $ 454,066 Supplemental balance sheet information related to leases are as follows: March 31, 2020 Operating l eases Operating lease right-of-use assets $ 5,178,084 Operating lease obligations - current $ 1,219,301 Operating lease obligations 4,174,774 Total operating lease liabilities $ 5,394,075 Finance leases Property and equipment, gross $ 1,198,985 Accumulated depreciation (126,364 ) Property and equipment, net $ 1,072,621 Financing lease obligations - current $ 317,023 Financing lease obligations 708,825 Total finance lease liabilities $ 1,025,848 Weighted Average Remaining Lease Term Operating leases (years) 4.22 Finance leases (years) 3.92 Weighted Average Discount Rate Operating leases 5.05 % Finance leases 5.15 % Maturities of lease liabilities are as follows for the years ending September 30: Operating Leases Finance Leases 2020 $ 718,464 $ 211,198 2021 1,457,535 266,178 2022 1,485,072 233,461 2023 1,386,873 219,396 2024 819,018 181,237 Thereafter 151,895 21,936 Total lease payments 6,018,857 1,133,406 Less imputed interest 624,782 107,558 Total $ 5,394,075 $ 1,025,848

Note 12 - Segment Reporting

Note 12 - Segment Reporting	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	Note 1 2 – Segment Reporting The Company is reporting its financial performance based on its external reporting segments: Wireless Infrastructure Services and Telecommunications. These reportable segments are described below. Wireless Infrastructure Services (“Wireless”) The Wireless segment provides turn-key wireless infrastructure services for the four 5G. Telecommunications (“Telco”) The Company’s Telco segment sells new and refurbished telecommunications networking equipment, including both central office and customer premise equipment, to its customer base of telecommunications providers, enterprise customers and resellers located primarily in North America. This segment also offers its customers repair and testing services for telecommunications networking equipment. In addition, this segment offers its customers decommissioning services for surplus and obsolete equipment, which it in turn processes through its recycling program. The Company evaluates performance and allocates its resources based on operating income. The accounting policies of its reportable segments are the same as those described in the summary of significant accounting policies. Segment assets consist primarily of cash and cash equivalents, accounts receivable, inventory, property and equipment, goodwill and intangible assets. Three Months Ended Six Months Ended March 31, 2020 March 31, 2019 March 31, 2020 March 31, 2019 Sales Wireless $ 4,671,850 $ 4,217,924 $ 11,469,731 $ 4,217,924 Telco 7,287,275 8,672,016 14,451,752 15,482,113 Total sales $ 11,959,125 $ 12,889,940 $ 25,921,483 $ 19,700,037 Gross profit (loss) Wireless $ 175,206 $ 1,288,758 $ 2,047,762 $ 1,288,758 Telco (613,843 ) 2,187,758 1,105,583 3,911,147 Total gross profit (loss) $ (438,637 ) $ 3,476,516 $ 3,153,345 $ 5,199,905 Loss from operations Wireless $ (2,795,785 ) $ (1,113,584 ) $ (3,883,229 ) $ (1,113,584 ) Telco (11,911,258 ) (235,291 ) (12,586,535 ) (1,243,714 ) Total loss from operations $ (14,707,043 ) $ (1,348,875 ) $ (16,469,764 ) $ (2,357,298 ) March 31, 2020 September 30, 2019 Segment assets Wireless $ 7,174,283 $ 5,515,793 Telco 14,079,104 22,619,565 Non-allocated 11,861,295 8,692,986 Total assets $ 33,114,682 $ 36,828,344

Note 13 - Subsequent Events

Note 13 - Subsequent Events	6 Months Ended
	Mar. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	Note 13 On March 11, 2020, 19 March 13, 2020, 19, 19, not 19 19 19, may 19 19 may

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Mar. 31, 2020
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of presentation The unaudited consolidated condensed financial statements include the accounts of ADDvantage Technologies Group, Inc. and its subsidiaries, all of which are wholly owned (collectively, the “Company” or “we”). Intercompany balances and transactions have been eliminated in consolidation. The Company’s reportable segments are Wireless Infrastructure Services (“Wireless”) and Telecommunications (“Telco”). The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial statements and do not not six March 31, 2020 2019, not 10 September 30, 2019.
Reclassification, Comparability Adjustment [Policy Text Block]	Reclassification The Company changed its presentation of cost of sales and operating, selling, general and administrative expenses on the unaudited consolidated condensed statements of operations. During fiscal year 2020, not no
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued Accounting Standards In June 2016, 2016 13: 326 2016 13 December 15, 2019, may December 15, 2018,

Note 2 - Revenue Recognition (T

Note 2 - Revenue Recognition (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Wireless services sales $ 4,671,850 $ 4,217,924 $ 11,469,731 $ 4,217,924 Equipment sales: Telco 6,981,478 8,258,719 13,764,461 14,878,129 Intersegment ‒ (3,905 ) ‒ (44,147 ) Telco repair sales 7,792 10,400 16,202 14,000 Telco recycle sales 298,005 406,802 671,089 634,131 Total sales $ 11,959,125 $ 12,889,940 $ 25,921,483 $ 19,700,037

Note 4 - Promissory Note (Table

Note 4 - Promissory Note (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Financing Receivables, Minimum Payments [Table Text Block]	Fiscal year 2020 $ 700,000 Fiscal year 2021 1,400,000 Fiscal year 2022 940,000 Fiscal year 2023 940,000 Fiscal year 2024 2,970,000 Total proceeds 6,950,000 Less: interest to be paid (1,159,262 ) Promissory note principal balance $ 5,790,738

Note 5 - Inventories (Tables)

Note 5 - Inventories (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Inventory, Current [Table Text Block]	March 31, 2020 September 30, 2019 New equipment $ 946,878 $ 1,496,145 Refurbished and used equipment 7,859,303 7,404,428 Allowance for excess and obsolete inventory (3,400,000 ) (1,275,000 ) Total inventories, net $ 5,406,181 $ 7,625,573

Note 6 - Intangible Assets (Tab

Note 6 - Intangible Assets (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Intangible Assets and Goodwill [Table Text Block]	March 31, 2020 Gross Accumulated Amortization Impairment Net Intangible assets: Customer relationships – 10 years $ 8,396,000 $ (3,964,306 ) $ (3,894,121 ) $ 537,573 Trade name – 10 years 2,119,000 (1,072,224 ) ‒ 1,046,776 Non-compete agreements – 3 years 374,000 (374,000 ) ‒ ‒ Total intangible assets $ 10,889,000 $ (5,410,530 ) $ (3,894,121 ) $ 1,584,349 September 30, 2019 Gross Accumulated Amortization Net Intangible assets: Customer relationships – 10 years $ 8,396,000 $ (3,547,389 ) $ 4,848,611 Trade name – 10 years 2,119,000 (966,280 ) 1,152,720 Non-compete agreements – 3 years 374,000 (372,333 ) 1,667 Total intangible assets $ 10,889,000 $ (4,886,002 ) $ 6,002,998

Note 9 - Earnings Per Share (Ta

Note 9 - Earnings Per Share (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Loss from continuing operations $ (14,661,081 ) $ (1,211,159 ) $ (16,378,773 ) $ (2,414,470 ) Discontinued operations, net of tax − (4,704 ) − 159,626 Net loss attributable to common shareholders $ (14,661,081 ) $ (1,215,863 ) $ (16,378,773 ) $ (2,254,844 ) Basic weighted average shares 10,423,514 10,361,292 10,392,404 10,361,292 Effect of dilutive securities: Stock options ‒ ‒ ‒ ‒ Diluted weighted average shares 10,423,514 10,361,292 10,392,404 10,361,292 Earnings (loss) per common share: Basic: Continuing operations $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.24 ) Discontinued operations − (0.00 ) − 0.02 Net loss $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.22 ) Diluted: Continuing operations $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.24 ) Discontinued operations − (0.00 ) − 0.02 Net loss $ (1.41 ) $ (0.12 ) $ (1.58 ) $ (0.22 )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Stock options excluded 543,000 620,000 543,000 620,000 Weighted average exercise price of stock options $ 1.75 $ 1.83 $ 1.75 $ 1.83 Average market price of common stock $ 2.79 $ 1.40 $ 2.52 $ 1.37

Note 10 - Stock-based Compens_2

Note 10 - Stock-based Compensation (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Shares Wtd. Avg. Ex. Price Aggregate Intrinsic Value Outstanding at September 30, 2019 770,000 $ 1.73 $ 352,700 Granted ‒ ‒ ‒ Exercised (110,000 ) $ 1.57 $ 282,833 Expired – – – Forfeited (116,667 ) $ 1.31 $ 130,667 Outstanding at March 31, 2020 543,333 $ 1.85 $ 394,266 Exercisable at March 31, 2020 410,001 $ 1.98 $ 265,334
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]	Six Months Ended March 31, 2020 Fiscal year 2017 grant $ 4,784 Fiscal year 2019 grants $ 2,744

Note 11 - Leases (Tables)

Note 11 - Leases (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Lease, Cost [Table Text Block]	Three Months ended March 31, 2020 Six Months ended March 31, 2020 Operating lease cost $ 444,642 $ 736,764 Finance lease cost: Amortization of right-of-use assets $ 66,134 $ 126,364 Interest on lease liabilities 12,793 24,962 Total finance lease cost $ 78,927 $ 151,326
Lessee, Operating and Finance Lease, Supplemental Cash Flow Information [Table Text Block]	March 31, 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 736,764 Operating cash flows from finance leases $ 24,962 Financing cash flows from finance leases $ 173,136 Right-of-use assets obtained in exchange for lease obligations: Operating leases $ 1,146,700 Finance leases $ 454,066
Lessee, Operating and Finance Lease, Supplemental Balance Sheet Information [Table Text Block]	March 31, 2020 Operating l eases Operating lease right-of-use assets $ 5,178,084 Operating lease obligations - current $ 1,219,301 Operating lease obligations 4,174,774 Total operating lease liabilities $ 5,394,075 Finance leases Property and equipment, gross $ 1,198,985 Accumulated depreciation (126,364 ) Property and equipment, net $ 1,072,621 Financing lease obligations - current $ 317,023 Financing lease obligations 708,825 Total finance lease liabilities $ 1,025,848 Weighted Average Remaining Lease Term Operating leases (years) 4.22 Finance leases (years) 3.92 Weighted Average Discount Rate Operating leases 5.05 % Finance leases 5.15 %
Operating and Finance Lease, Liability, Maturity [Table Text Block]	Operating Leases Finance Leases 2020 $ 718,464 $ 211,198 2021 1,457,535 266,178 2022 1,485,072 233,461 2023 1,386,873 219,396 2024 819,018 181,237 Thereafter 151,895 21,936 Total lease payments 6,018,857 1,133,406 Less imputed interest 624,782 107,558 Total $ 5,394,075 $ 1,025,848

Note 12 - Segment Reporting (Ta

Note 12 - Segment Reporting (Tables)	6 Months Ended
	Mar. 31, 2020
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended Six Months Ended March 31, 2020 March 31, 2019 March 31, 2020 March 31, 2019 Sales Wireless $ 4,671,850 $ 4,217,924 $ 11,469,731 $ 4,217,924 Telco 7,287,275 8,672,016 14,451,752 15,482,113 Total sales $ 11,959,125 $ 12,889,940 $ 25,921,483 $ 19,700,037 Gross profit (loss) Wireless $ 175,206 $ 1,288,758 $ 2,047,762 $ 1,288,758 Telco (613,843 ) 2,187,758 1,105,583 3,911,147 Total gross profit (loss) $ (438,637 ) $ 3,476,516 $ 3,153,345 $ 5,199,905 Loss from operations Wireless $ (2,795,785 ) $ (1,113,584 ) $ (3,883,229 ) $ (1,113,584 ) Telco (11,911,258 ) (235,291 ) (12,586,535 ) (1,243,714 ) Total loss from operations $ (14,707,043 ) $ (1,348,875 ) $ (16,469,764 ) $ (2,357,298 ) March 31, 2020 September 30, 2019 Segment assets Wireless $ 7,174,283 $ 5,515,793 Telco 14,079,104 22,619,565 Non-allocated 11,861,295 8,692,986 Total assets $ 33,114,682 $ 36,828,344

Note 2 - Revenue Recognition (D

Note 2 - Revenue Recognition (Details Textual) - USD ($)	3 Months Ended		6 Months Ended				18 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019	Mar. 31, 2020	Sep. 30, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 11,959,125	$ 12,889,940	$ 25,921,483	$ 25,921,483	$ 19,700,037	$ 19,700,037
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Largest Customer [Member]
Concentration Risk, Percentage			10.00%
Wireless Sales in Central America, South America, and International Regions [Member]
Revenue from Contract with Customer, Including Assessed Tax	400,000	$ 500,000	$ 800,000		$ 1,000,000
International Regions Excluding Central America and South America [Member]
Contract with Customer, Asset, after Allowance for Credit Loss, Total	1,700,000		1,700,000	1,700,000			$ 1,700,000	$ 2,700,000
Contract with Customer, Liability, Total	$ 1,000,000		$ 1,000,000	$ 1,000,000			1,000,000	$ 100,000
Contract with Customer, Liability, Revenue Recognized							$ 100,000

Note 2 - Revenue Recognition -

Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019
Sales	$ 11,959,125	$ 12,889,940	$ 25,921,483	$ 25,921,483	$ 19,700,037	$ 19,700,037
Telco [Member] | Operating Segments [Member]
Sales	7,287,275	8,672,016	14,451,752		15,482,113
Wireless Services [Member]
Sales	4,671,850	4,217,924	11,469,731		4,217,924
Equipment Sales [Member] | Intersegment Eliminations [Member]
Sales		(3,905)			(44,147)
Equipment Sales [Member] | Telco [Member] | Operating Segments [Member]
Sales	6,981,478	8,258,719	13,764,461		14,878,129
Telco Repair [Member]
Sales	7,792	10,400	16,202		14,000
Telco Recycle [Member]
Sales	$ 298,005	$ 406,802	$ 671,089		$ 634,131

Note 3 - Accounts Receivable _2

Note 3 - Accounts Receivable Agreements (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Restricted Cash, Total	$ 104,300		$ 104,300		$ 351,909
Certain Receivables to Unrelated Third-parties [Member]
Accounts Receivable Agreement, Percent of Sold Receivables Advanced	90.00%		90.00%
Accounts Receivable Agreement, Reserve of Sold Receivables	10.00%		10.00%
Restricted Cash, Total	$ 100,000		$ 100,000
Accounts Receivable, after Allowance for Credit Loss, Total	800,000		800,000
Sale of Receivables, Maximum Limit of Receivables Uncollected	4,000,000		4,000,000
Proceeds from Collection of Finance Receivables			11,400,000	$ 2,900,000
Certain Receivables to Unrelated Third-parties [Member] | Other Nonoperating Income (Expense) [Member]
Cost of Selling Receivables	$ 100,000	$ 100,000	$ 200,000	$ 100,000
Certain Receivables to Unrelated Third-parties [Member] | Minimum [Member]
Receivables, Cost of Sales, Percent			1.00%	1.70%
Certain Receivables to Unrelated Third-parties [Member] | Maximum [Member]
Receivables, Cost of Sales, Percent			1.80%	1.90%

Note 4 - Promissory Note (Detai

Note 4 - Promissory Note (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2019	Mar. 10, 2020
Loan Agreement with Primary Financial Leader [Member]
Debt Instrument, Face Amount		$ 3.5
Leveling 8 [Member] | Promissory Note [Member]
Proceeds from Collection of Notes Receivable, Gross	$ 0.7
Proceeds from Collection of Notes Receivable, Interest	$ 0.1
Notes Receivable, Interest Rate	6.00%

Note 4 - Promissory Note - Repa

Note 4 - Promissory Note - Repayment Installments (Details)	Mar. 31, 2020USD ($)
Fiscal year 2020	$ 700,000
Fiscal year 2021	1,400,000
Fiscal year 2022	940,000
Fiscal year 2023	940,000
Fiscal year 2024	2,970,000
Total proceeds	6,950,000
Less: interest to be paid	(1,159,262)
Promissory note principal balance	$ 5,790,738

Note 5 - Inventories (Details T

Note 5 - Inventories (Details Textual) - USD ($)	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Sep. 30, 2019
Inventory Write-down		$ 2,125,000	$ 77,889
Inventory Valuation Reserves, Ending Balance	$ 3,400,000	3,400,000		$ 1,275,000
Telco [Member]
Inventory Write-down	2,100,000
Inventory Valuation Reserves, Ending Balance	$ 3,400,000	$ 3,400,000		$ 1,300,000

Note 5 - Inventories - Schedule

Note 5 - Inventories - Schedule of Inventory (Details) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Allowance for excess and obsolete inventory	$ (3,400,000)	$ (1,275,000)
Total inventories, net	5,406,181	7,625,573
New Inventory [Member]
Inventory	946,878	1,496,145
Inventory	946,878	1,496,145
Refurbished and Used Inventory [Member]
Inventory	7,859,303	7,404,428
Inventory	$ 7,859,303	$ 7,404,428

Note 6 - Intangible Assets (Det

Note 6 - Intangible Assets (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2020USD ($)
Telco [Member] | COVID-19 Pandemic [Member] | Customer Relationships [Member]
Impairment of Intangible Assets, Finite-lived	$ 3.9

Note 6 - Intangible Assets - Sc

Note 6 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Gross	$ 10,889,000	$ 10,889,000
Accumulated Amortization	(5,410,530)	(4,886,002)
Impairment	(3,894,121)
Net	1,584,349	6,002,998
Customer Relationships [Member]
Gross	8,396,000	8,396,000
Accumulated Amortization	(3,964,306)	(3,547,389)
Impairment	(3,894,121)
Net	537,573	4,848,611
Trade Names [Member]
Gross	2,119,000	2,119,000
Accumulated Amortization	(1,072,224)	(966,280)
Impairment
Net	1,046,776	1,152,720
Noncompete Agreements [Member]
Gross	374,000	374,000
Accumulated Amortization	(374,000)	(372,333)
Impairment
Net		$ 1,667

Note 6 - Intangible Assets - _2

Note 6 - Intangible Assets - Schedule of Intangible Assets (Details) (Parentheticals)	6 Months Ended
	Mar. 31, 2020
Customer Relationships [Member]
Finite-lived intangible asset, useful life (Year)	10 years
Trade Names [Member]
Finite-lived intangible asset, useful life (Year)	10 years
Noncompete Agreements [Member]
Finite-lived intangible asset, useful life (Year)	3 years

Note 7 - Goodwill (Details Text

Note 7 - Goodwill (Details Textual) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2020USD ($)	Mar. 31, 2020
Number of Reporting Units		2
COVID-19 Pandemic [Member] | Telco [Member]
Goodwill, Impairment Loss	$ 4.8

Note 8 - Notes Payable and Li_2

Note 8 - Notes Payable and Line of Credit (Details Textual)	1 Months Ended
	May 14, 2020USD ($)	Mar. 31, 2020USD ($)	Mar. 10, 2020USD ($)
Subsequent Event [Member]
Proceeds from Paycheck Protection Program Under CARES Act	$ 2,900,000
Paycheck Protection Program Under CARES Act, Monthly Payments	$ 164,045
Loan Agreement [Member]
Debt Instrument, Face Amount			$ 3,500,000
Debt Instrument, Interest Rate, Stated Percentage			6.00%
New Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 4,000,000
Debt Instrument, Interest Rate, Effective Percentage		4.25%
Long-term Line of Credit, Total		$ 3,500,000
Percentage of Qualified Accounts Receivable Used in Determination of Maximum Borrowing Capacity of Line of Credit		80.00%
Percentage of Qualified Inventory Used in Determination of Maximum Borrowing Capacity of Line of Credit		25.00%
Line of Credit Facility, Current Borrowing Capacity		$ 3,600,000
Loan Agreement with Primary Financial Leader [Member]
Debt Instrument, Face Amount			$ 3,500,000
Fixed Charge Coverage Ratio, Minimum Requirement			1.25

Note 9 - Earnings Per Share - B

Note 9 - Earnings Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019
Loss from continuing operations	$ (14,661,081)	$ (1,211,159)	$ (16,378,773)	$ (16,378,773)	$ (2,414,470)	$ (2,414,470)
Discontinued operations, net of tax		(4,704)			159,626	$ 159,626
Net loss attributable to common shareholders	$ (14,661,081)	$ (1,215,863)	$ (16,378,773)		$ (2,254,844)
Basic (in shares)	10,423,514	10,361,292	10,392,404	10,392,404	10,361,292	10,361,292
Stock options (in shares)
Diluted weighted average shares (in shares)	10,423,514	10,361,292	10,392,404	10,392,404	10,361,292	10,361,292
Continuing operations (in dollars per share)	$ (1.41)	$ (0.12)	$ (1.58)	$ (1.58)	$ (0.24)	$ (0.24)
Discontinued operations (in dollars per share)		0			0.02	0.02
Net loss (in dollars per share)	(1.41)	(0.12)	(1.58)	(1.58)	(0.22)	(0.22)
Continuing operations (in dollars per share)	(1.41)	(0.12)	(1.58)	(1.58)	(0.24)	(0.24)
Discontinued operations (in dollars per share)		0			0.02	0.02
Net loss (in dollars per share)	$ (1.41)	$ (0.12)	$ (1.58)	$ (1.58)	$ (0.22)	$ (0.22)

Note 9 - Earnings Per Share - A

Note 9 - Earnings Per Share - Anti-dilutive Securities (Details) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Stock options excluded (in shares)	543,000	620,000	543,000	620,000
Weighted average exercise price of stock options (in dollars per share)	$ 1.75	$ 1.83	$ 1.75	$ 1.83
Average market price of common stock (in dollars per share)	$ 2.79	$ 1.40	$ 2.52	$ 1.37

Note 10 - Stock-based Compens_3

Note 10 - Stock-based Compensation (Details Textual) - USD ($)	1 Months Ended		6 Months Ended
	Mar. 31, 2020	Oct. 31, 2018	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 16,066		$ 16,066
Nonqualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)			0
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate			0.00%
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			4 years
Employees [Member] | Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)			10 years
Employees [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			5 years
Board Of Directors [Member] | Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)			10 years
Board of Directors Chairman [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	229,768	55,147
Board of Directors Chairman [Member] | Restricted Stock [Member] | Vest 20% Per Year [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		20.00%
Board of Directors Chairman [Member] | Maximum [Member] | Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
The 2015 Incentive Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)	1,000,000
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	2,100,415		2,100,415
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	894,053		894,053

Note 10 - Stock-based Compens_4

Note 10 - Stock-based Compensation - Summary of the Status of the Company's Stock Options (Details)	6 Months Ended
	Mar. 31, 2020USD ($)$ / sharesshares	Sep. 30, 2019USD ($)
Outstanding (in shares) | shares	770,000
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 1.73
Outstanding, aggregate intrinsic value | $	$ 394,266	$ 352,700
Granted (in shares) | shares
Granted, weighted average exercise price (in dollars per share) | $ / shares
Exercised (in shares) | shares	110,000
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 1.57
Exercised, aggregate intrinsic value | $	$ 282,833
Expired (in shares) | shares
Expired, weighted average exercise price (in dollars per share) | $ / shares
Forfeited (in shares) | shares	(116,667)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 1.31
Forfeited, aggregate intrinsic value | $	$ 130,667
Outstanding (in shares) | shares	543,333
Outstanding, weighted average exercise price (in dollars per share) | $ / shares	$ 1.85
Exercisable (in shares) | shares	410,001
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 1.98
Exercisable, aggregate intrinsic value | $	$ 265,334

Note 10 - Stock-based Compens_5

Note 10 - Stock-based Compensation - Compensation Expense Related to Stock Options (Details) - Share-based Payment Arrangement, Option [Member]	6 Months Ended
	Mar. 31, 2020USD ($)
Fiscal Year 2017 [Member]
Compensation expense	$ 4,784
Fiscal Year 2019 [Member]
Compensation expense	$ 2,744

Note 11 - Leases (Details Textu

Note 11 - Leases (Details Textual) - USD ($)	6 Months Ended
	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019
Operating Lease, Right-of-Use Asset	$ 5,178,084
Operating Lease, Liability, Total	5,394,075
Finance Lease, Right-of-Use Asset	1,198,985
Finance Lease, Liability, Total	$ 1,025,848
Minimum [Member]
Lessee, Operating and Finance Lease, Remaining Lease Term (Year)	1 year
Maximum [Member]
Lessee, Operating and Finance Lease, Remaining Lease Term (Year)	10 years
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		$ 4,700,000
Operating Lease, Liability, Total		4,700,000
Finance Lease, Right-of-Use Asset		600,000
Finance Lease, Liability, Total		$ 600,000

Note 11 - Leases - Components o

Note 11 - Leases - Components of Lease Expense (Details) - USD ($)	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2020
Operating lease cost	$ 444,642	$ 736,764
Amortization of right-of-use assets	66,134	126,364
Interest on lease liabilities	12,793	24,962
Total finance lease cost	$ 78,927	$ 151,326

Note 11 - Leases - Supplemental

Note 11 - Leases - Supplemental Cash Flow Information (Details) - USD ($)	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019
Operating cash flows from operating leases	$ 736,764
Operating cash flows from finance leases	24,962
Financing cash flows from finance leases	173,136	$ 173,136
Right-of-use assets obtained in exchange for operating leases	1,146,700
Right-of-use assets obtained in exchange for finance leases	$ 454,066

Note 11 - Leases - Supplement_2

Note 11 - Leases - Supplemental Balance Sheet Information (Details) - USD ($)	Mar. 31, 2020	Sep. 30, 2019
Right-of-use operating lease assets	$ 5,178,084
Operating lease obligations – current	1,219,301
Operating lease obligations	4,174,774
Total operating lease liabilities	5,394,075
Property and equipment, gross	1,198,985
Accumulated depreciation	(126,364)
Property and equipment, net	1,072,621
Financing lease obligations – current	317,023
Financing lease obligations	708,825
Total finance lease liabilities	$ 1,025,848
Weighted Average Remaining Lease Term, Operating leases (Year)	4 years 80 days
Weighted Average Remaining Lease Term, Finance leases (Year)	3 years 335 days
Weighted Average Discount Rate, Operating leases	5.05%
Weighted Average Discount Rate, Finance leases	5.15%

Note 11 - Leases - Maturities o

Note 11 - Leases - Maturities of Lease Liabilities (Details)	Mar. 31, 2020USD ($)
2020, operating leases	$ 718,464
2020, finance leases	211,198
2021, operating leases	1,457,535
2021, finance leases	266,178
2022, operating leases	1,485,072
2022, finance leases	233,461
2023, operating leases	1,386,873
2023, finance leases	219,396
2024, operating leases	819,018
2024, finance leases	181,237
Thereafter, operating leases	151,895
Thereafter, finance leases	21,936
Total lease payments, operating leases	6,018,857
Total lease payments, finance leases	1,133,406
Less imputed interest, operating leases	624,782
Less imputed interest, finance leases	107,558
Total, operating leases	5,394,075
Total, finance leases	$ 1,025,848

Note 12 - Segment Reporting - S

Note 12 - Segment Reporting - Segment Reporting Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2019	Sep. 30, 2019
Sales	$ 11,959,125	$ 12,889,940	$ 25,921,483	$ 25,921,483	$ 19,700,037	$ 19,700,037
Gross profit	(438,637)	3,476,516	3,153,345	3,153,345	5,199,905	5,199,905
Operating income (loss)	(14,707,043)	(1,348,875)	(16,469,764)	(16,469,764)	(2,357,298)	$ (2,357,298)
Segment assets	33,114,682		33,114,682	33,114,682			$ 36,828,344
Operating Segments [Member] | Wireless [Member]
Sales	4,671,850	4,217,924	11,469,731		4,217,924
Gross profit	175,206	1,288,758	2,047,762		1,288,758
Operating income (loss)	(2,795,785)	(1,113,584)	(3,883,229)		(1,113,584)
Operating Segments [Member] | Wireless [Member] | Continuing Operations [Member]
Segment assets	7,174,283		7,174,283	7,174,283			5,515,793
Operating Segments [Member] | Telco [Member]
Sales	7,287,275	8,672,016	14,451,752		15,482,113
Gross profit	(613,843)	2,187,758	1,105,583		3,911,147
Operating income (loss)	(11,911,258)	$ (235,291)	(12,586,535)		$ (1,243,714)
Operating Segments [Member] | Telco [Member] | Continuing Operations [Member]
Segment assets	14,079,104		14,079,104	14,079,104			22,619,565
Segment Reconciling Items [Member]
Segment assets	$ 11,861,295		$ 11,861,295	$ 11,861,295			$ 8,692,986