Koss (KOSS) 10-K 30 Aug 19 2019 FY Annual report Financial data

Document And Entity Information

Document And Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2019	Aug. 19, 2019	Dec. 31, 2018
Document Information [Line Items]
Entity Registrant Name	KOSS CORP
Entity Central Index Key	0000056701
Trading Symbol	koss
Current Fiscal Year End Date	--06-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Common Stock, Shares Outstanding (in shares)		7,404,831
Entity Public Float			$ 4,995,005
Entity Shell Company	false
Document Type	10-K
Document Period End Date	Jun. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Title of 12(b) Security	Common Stock

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($)	Jun. 30, 2019	Jun. 30, 2018	[2]
Current assets:
Cash and cash equivalents	$ 2,228,282	$ 1,081,533	[1]
Accounts receivable, less allowance for doubtful accounts of $2,617 and $51,854, respectively	3,655,143	4,709,745
Inventories	6,851,448	6,138,679
Prepaid expenses and other current assets	133,889	206,776
Income taxes receivable	45,660	32,375
Total current assets	12,914,422	12,169,108
Equipment and leasehold improvements, net	890,110	1,132,105
Other assets:
Deferred income taxes	13,276		[3]
Operating lease right-of-use asset	2,847,846	3,102,263
Cash surrender value of life insurance	6,569,628	6,374,372
Total other assets	9,430,750	9,476,635
Total assets	23,235,282	22,777,848
Current liabilities:
Accounts payable	1,436,373	1,429,491
Accrued liabilities	650,513	788,961	[4]
Deferred revenue	645,470	690,905
Operating lease liability	265,443	254,418
Total current liabilities	2,997,799	3,163,775
Long-term liabilities:
Deferred compensation	2,419,962	2,394,009
Deferred revenue	163,018	168,465
Operating lease liability	2,582,402	2,847,845
Total long-term liabilities	5,165,382	5,410,319
Total liabilities	8,163,181	8,574,094
Stockholders' equity:
Common stock, $0.005 par value, authorized 20,000,000 shares; issued and outstanding 7,404,831 and 7,382,706 shares, respectively	37,024	36,914
Paid in capital	6,186,393	5,752,270
Retained earnings	8,848,684	8,414,570
Total stockholder' equity	15,072,101	14,203,754	[5]
Total liabilities and stockholders' equity	$ 23,235,282	$ 22,777,848
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606 and ASC 842
[3]	As adjusted for the retrospective adoption of ASC 606 and ASC 842
[4]	As adjusted for retrospective adoption of ASC 606
[5]	As adjusted for the retrospective adoption of ASC 606

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parentheticals) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Accounts receivable, allowance for doubtful accounts	$ 2,617	$ 55,872	[1]
Common stock, par value (in dollars per share)	$ 0.005	$ 0.005
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	7,404,831	7,382,706
Common stock, shares outstanding (in shares)	7,404,831	7,382,706
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[1]
Net sales	$ 21,842,097	$ 23,522,631	[2]
Cost of goods sold	15,022,223	16,966,633
Gross profit	6,819,874	6,555,998
Selling, general and administrative expenses	6,415,441	6,920,156
Income (loss) from operations	404,433	(364,158)
Interest (income) expense	(3,178)	5,218
Income (loss) before income tax provision	407,611	(369,376)
Income tax (benefit) provision	(26,503)	3,041,844	[3],[4]
Net income (loss)	$ 434,114	$ (3,411,220)	[5],[6]
Income (loss) per common share:
Basic (in dollars per share)	$ 0.06	$ (0.46)
Diluted (in dollars per share)	$ 0.06	$ (0.46)
Weighted-average number of shares:
Basic (in shares)	7,401,030	7,382,706
Diluted (in shares)	7,407,827	7,382,706
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606
[3]	As adjusted for the retrospective adoption of ASC 606
[4]	As adjusted for the retrospective adoption of ASC 606
[5]	As adjusted for the retrospective adoption of ASC 606
[6]	As adjusted for the retrospective adoption of ASC 606

Consolidated Statements of Cash

Consolidated Statements of Cash Flows - USD ($)		12 Months Ended
		Jun. 30, 2019		Jun. 30, 2018
Operating activities:
Net income (loss)		$ 434,114		$ (3,411,220)	[1],[2],[3]
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for (recovery of) doubtful accounts		23,422		(4,874)	[1]
Loss on disposal of equipment and leasehold improvements				343	[1]
Depreciation of equipment and leasehold improvements		429,750		526,261	[1]
Stock-based compensation expense		387,556		331,560	[1]
Deferred income taxes		(13,276)		3,041,405	[1]
Change in cash surrender value of life insurance		(72,019)		(218,224)	[1]
Change in deferred revenue		(50,882)		15,638	[1]
Change in deferred compensation accrual		175,953		249,591	[1]
Deferred compensation paid		(150,000)		(150,000)	[1]
Net changes in operating assets and liabilities (see Note 13)		246,447		650,607	[1],[4]
Cash provided by operating activities		1,411,065		1,031,087	[1]
Investing activities:
Purchase of equipment and leasehold improvements		(187,756)		(250,618)	[1]
Life insurance premiums paid		(123,237)		(131,219)	[1]
Cash used in investing activities		(310,993)		(381,837)	[1]
Financing Activities:
Exercise of common stock options		46,677			[1]
Net cash flows provided by financing activities		46,677			[1]
Net increase in cash and cash equivalents		1,146,749		649,250	[1]
Cash and cash equivalents at beginning of year	[1]	1,081,533	[5]	432,283
Cash and cash equivalents at end of year		$ 2,228,282		$ 1,081,533	[1],[5]
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606
[3]	As adjusted for the retrospective adoption of ASC 606
[4]	As adjusted for retrospective adoption of ASC 606 and ASC 842
[5]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($)		Common Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance, as originally stated (in shares) at Jun. 30, 2017		7,382,706
Balance, as originally stated at Jun. 30, 2017		$ 36,914		$ 5,420,710	$ 12,114,688	$ 17,572,312
Change due to retrospective adoption of ASC 606 at Jun. 30, 2017					(288,878)	(288,878)
Adjusted Balance at Jun. 30, 2017		36,914		5,420,710	11,825,790	17,283,414
Net income (loss)	[1]				(3,411,220)	(3,411,220)	[2],[3]
Stock-based compensation expense				331,560		$ 331,560
Exercise of common stock options (in shares)
Balance (in shares) at Jun. 30, 2018		7,382,706	[1]			7,382,706
Balance at Jun. 30, 2018	[1]	$ 36,914		5,752,270	8,414,570	$ 14,203,754	[4]
Net income (loss)					434,114	434,114
Stock-based compensation expense				387,556		$ 387,556
Exercise of common stock options (in shares)		22,125				22,125
Exercise of common stock options		$ 110		46,567		$ 46,677
Balance (in shares) at Jun. 30, 2019		7,404,831				7,404,831
Balance at Jun. 30, 2019		$ 37,024		$ 6,186,393	$ 8,848,684	$ 15,072,101
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606
[3]	As adjusted for the retrospective adoption of ASC 606
[4]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 1 - Significant Accounting

Note 1 - Significant Accounting Policies	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Significant Accounting Policies [Text Block]	1. SIGNIFICANT ACCOUNTING POLICIES NATURE OF BUSINESS — Koss Corporation ("Koss"), a Delaware corporation, and its 100% one no BASIS OF CONSOLIDATION — The Consolidated Financial Statements include the accounts of Koss and its subsidiary, Koss UK, which is a 100% -owned subsidiary. All significant intercompany accounts and transactions have been eliminated. REVENUE RECOGNITION — Revenues from product sales are recognized when the customer obtains control of the product, which typically occurs upon shipment from the Company's facility. There are a very limited number of customers for which control does not pass until they have received the products at their facility. Revenue from product sales is adjusted for estimated warranty obligations and variable consideration, which are detailed below. In May 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014 - 09 (Topic 606 ), Revenue from Contracts with Customers. This new standard supersedes nearly all existing revenue recognition guidance and provides a five -step analysis to determine when and how revenue is recognized. The underlying principle is to recognize revenue when promised goods or services transfer to the customer. The amount of revenue recognized is to reflect the consideration expected to be received for those goods or services. The Company adopted the requirements of the new standard on July 1, 2018 using the full retrospective transition method. Prior period Consolidated Financial Statements were restated to reflect full retrospective adoption. See Note 3 to the Consolidated Financial Statements for additional information on revenue recognition. SHIPPING AND HANDLING FEES AND COSTS — Shipping and handling costs charged to customers have been included in net sales. Shipping and handling costs incurred by the Company have been included in cost of goods sold. RESEARCH AND DEVELOPMENT — Research and development activities charged to operations as a component of selling, general and administrative expenses in the accompanying Consolidated Statements of Operations amounted to $ 334,789 $ 427,009 2019 2018 ADVERTISING COSTS — Advertising costs included within selling, general and administrative expenses in the accompanying Consolidated Statements of Operations were $ 47,657 2019 $ 65,279 2018 INCOME TAXES — The Company operates as a C Corporation under the Internal Revenue Code (the "Code"). Amounts provided for income tax expense are based on income reported for financial statement purposes and do not bases INCOME (LOSS) PER COMMON AND COMMON STOCK EQUIVALENT SHARE — Income (loss) per common and common stock equivalent share is calculated under the provisions of Topic 260 in the Accounting Standards Codification ("ASC") which provides for calculation of “basic” and “diluted” income (loss) per share. Basic income (loss) per common and common stock equivalent share includes no dilution and is computed by dividing net income (loss) by the weighted average common shares outstanding for the period. Diluted income (loss) per common and common stock equivalent share reflects the potential dilution of securities that could share in the earnings of an entity. See Note 10 for additional information on income (loss) per common and common stock equivalent share. CASH AND CASH EQUIVALENTS — The Company considers depository accounts and investments with a maturity at the date of acquisition and expected usage of three not not ACCOUNTS RECEIVABLE — Accounts receivable consists of unsecured trade receivables due from customers. An allowance for doubtful accounts is recorded for significant past due receivable balances based on a review of the past due item and general economic conditions. INVENTORIES — Effective June 30, 2019, the Company changed its accounting principle for inventory and discontinued the use of the last-in, first -out ("LIFO") method for inventory valuation and adopted the first -in, first -out ("FIFO") method of inventory. This change in accounting principle did not change the inventory valuation as of June 30, 2018 or June 30, 2019 as the LIFO reserve was $0 as of both dates. The results of operations for the years ended June 30, 2018 and June 30, 2019 were not impacted by discontinuing the use of LIFO since the LIFO reserve was reduced to $0 effective June 30, 2017. The carrying value of inventory is reviewed for impairment on at least a quarterly basis or more frequently if warranted due to changes in market conditions. See Note 4 for additional information on inventory. EQUIPMENT AND LEASEHOLD IMPROVEMENTS — Equipment and leasehold improvements are stated at cost. Depreciation and amortization is calculated using the straight-line method over the estimated useful lives of the respective assets. Leasehold improvements are amortized using the straight-line method over the shorter of the lease term or the estimated useful life of the asset. Major expenditures for property and equipment and significant renewals are capitalized. Maintenance, repairs and minor renewals are expensed as incurred. When assets are retired or otherwise disposed of, their costs and related accumulated depreciation and amortization are removed from the accounts and any resulting gains or losses are included in operations. See Note 5 for additional information on equipment and leasehold improvements. LEASES — In February 2016, the FASB issued ASU 2016 - 02 (Topic 842 ), Leases. This new standard revises existing lease guidance and requires all operating leases to be recorded on a company's balance sheet as right-of-use ("ROU") assets and lease liabilities. The new guidance also requires additional disclosures about leases. The Company early adopted the requirements of the new standard on July 1, 2018 using the modified retrospective transition method. Prior period Consolidated Financial Statements were restated to reflect modified retrospective adoption beginning with the Quarterly Report on Form 10 -Q for the quarter ended September 30, 2018. The Company determines if a contract is a lease at the date of inception. The Company leases its facility in Milwaukee, Wisconsin from Koss Holdings, LLC, which is wholly-owned by the former chairman, and has determined that the lease is an operating lease. Operating leases are reported on the Company's Consolidated Balance Sheets as operating lease ROU assets and operating lease liabilities. Operating lease ROU assets and liabilities are valued at the present value of the future lease payment obligations. LIFE INSURANCE POLICIES — Life insurance policies are stated at cash surrender value or at the amount the Company would receive in the case of split-dollar arrangements. Increases in cash surrender value are included in selling, general and administrative expenses in the Consolidated Statements of Operations, which is where the annual premiums are recorded. DEFERRED COMPENSATION — The Company’s deferred compensation liabilities are for a current and former officer and are calculated based on compensation, years of service and mortality tables. The related expense is calculated using the net present value of the expected payments and is included in selling, general and administrative expenses in the Consolidated Statements of Operations. See Note 9 FAIR VALUE OF FINANCIAL INSTRUMENTS — Cash equivalents, accounts receivable and accounts payable approximate fair value based on the short maturity of these instruments. IMPAIRMENT OF LONG-LIVED ASSETS — The Company evaluates the recoverability of the carrying amount of long-lived assets whenever events or changes in circumstances indicate that the carrying amount of an asset may not No June 30, 2019 2018 LEGAL COSTS — All legal costs related to litigation are charged to operations as incurred, except settlements, which are expensed when a claim is probable and can be estimated. Recoveries of legal costs are recorded when the amount and items to be paid are confirmed by the insurance company. Proceeds from the settlement of legal disputes are recorded in income when the amounts are determinable and the collection is certain. STOCK-BASED COMPENSATION — The Company has a stock-based employee compensation plan, which is described more fully in Note 11. 718 USE OF ESTIMATES — The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenue and expenses during the reported period. Actual results could differ from those estimates. RECLASSIFICATIONS — Certain amounts previously reported have been reclassified to conform to the current presentation.

Note 2 - Recently Adopted Accou

Note 2 - Recently Adopted Accounting Pronouncements	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	2. RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS REVENUE RECOGNITION — In May 2014, 2014 09 606 July 1, 2018, 3 LEASES — In February 2016, 2016 02 842 July 1, 2018, not 15

Note 3 - Revenue Recognition

Note 3 - Revenue Recognition	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	3. REVENUE RECOGNITION Revenues from product sales are recognized when the customer obtains control of the product, which typically occurs upon shipment from the Company's facility. There are a very limited number of customers for which control does not May 2014, 2014 09 606 five July 1, 2018 Warranties determine the standalone selling price for one three Reserves for Variable Consideration Product Returns may Volume Rebates States may The cumulative effect of the changes made to our June 30, 2018 Consolidated Balance Sheet 606 Balance Sheet As Previously New Revenue As June 30, 2018 Reported Standard Adjustment Adjusted Current liabilities: Accrued liabilities $ 1,178,571 $ (389,610 ) $ 788,961 Deferred revenue - 690,905 690,905 Long-term liabilities: Other liabilities 155,702 (155,702 ) - Deferred revenue - 168,465 168,465 Equity: Retained earnings $ 8,728,628 $ (314,058 ) $ 8,414,570 The impact of adoption on our Consolidated Statement of Operations was as follows: Statement of Operations As Previously New Revenue As Year ended June 30, 2018 Reported Standard Adjustment Adjusted Net sales $ 23,515,441 $ 7,190 $ 23,522,631 Cost of goods sold 16,933,431 33,202 16,966,633 Income tax provision 3,042,696 (852 ) 3,041,844 Net (loss) (3,386,060 ) (25,160 ) (3,411,220 ) (Loss) per common share: Basic $ (0.46 ) $ $ (0.46 ) Diluted (0.46 ) - (0.46 ) The impact of adoption on our Consolidated Statement of Cash Flows was as follows: Statement of Cash Flows As Previously New Revenue As Year ended June 30, 2018 Reported Standard Adjustment Adjusted Operating activities: Net (loss) $ (3,386,060 ) $ (25,160 ) $ (3,411,220 ) Deferred income taxes 3,042,257 (852 ) 3,041,405 Change in deferred revenue 15,638 15,638 Net changes in operating assets and liabilities 640,233 10,374 650,607 Cash provided by operating activities $ 1,031,087 - $ 1,031,087 Disaggregation of Revenue The Company disaggregates it's net sales by geographical location as it believes it best depicts how the nature, timing and uncertainty of net sales and cash flows are affected by economic factors. The following table summarizes net sales by geographical location 2019 2018* United States $ 15,255,741 $ 16,584,115 Export 6,586,3 Net Sales $ 21,842,097 $ 23,522,631 *As adjusted for the retrospective adoption of ASC 606

Note 4 - Inventories

Note 4 - Inventories	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Inventory Disclosure [Text Block]	4. INVENTORIES Effective June 30, 2019, last-in, first first first inventory not June 30, 2018 June 30, 2019 $0 June 30, 2018 June 30, 2019 not $0 June 30, 2017 As of June 30, 2019 2018 ’s inventory was recorded using the lower of net realizable value June 30, 2019 2018 2019 2018 Raw materials $ 1,848,340 $ 2,717,862 Finished goods 6,604,408 6,057,703 8,452,748 8,775,565 Reserve for obsolete inventory (1,601,300 ) (2,636,886 ) Total inventories $ 6,851,448 $ 6,138,679

Note 5 - Equipment and Leasehol

Note 5 - Equipment and Leasehold Improvements	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	5. EQUIPMENT AND LEASEHOLD IMPROVEMENTS The major categories of equipment and leasehold improvements at June 30, 2019 2018 Estimated useful lives (in years) 2019 2018 Machinery and equipment 5 - 10 $ 593,595 $ 593,595 Furniture and office equipment 5 - 10 357,351 357,351 Tooling 5 4,261,077 4,308,967 Computer equipment 3 - 5 758,819 758,820 Leasehold improvements 3 - 10 2,517,226 2,457,006 Assets in progress N/A 118,737 19,500 8,606,805 8,495,239 Less: accumulated depreciation and amortization 7,716,695 7,363,134 Equipment and leasehold improvements, net $ 890,110 $ 1,132,105

Note 6 - Income Taxes

Note 6 - Income Taxes	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Income Tax Disclosure [Text Block]	6. INCOME TAXES The Company utilizes the liability method of accounting for income taxes. The liability method measures the expected income tax impact of future taxable income and deductions implicit in the Consolidated Balance Sheets. The income tax 2019 2018 Year Ended June 30, 2019 2018* Current: Federal $ (13,277 ) $ 414 State 25 25 Deferred (13,251 ) 3,041,405 Total income tax (benefit) provision $ (26,503 ) $ 3,041,844 *As adjusted for the retrospective adoption of ASC 606 On December 22, 2017, 35% 21% January 1, 2018. second June 30, 2018 $713,826 of n The 2019 2018 Year Ended June 30, 2019 2018* Federal income tax liability (benefit) at statutory rate $ 85,599 $ (101,578 ) State income tax liability (benefit), net of federal income tax effect 20 (9,518 ) (Decrease) increase in valuation allowance (328,541 ) 2,266,219 Stock-based compensation - 91,179 Adjustment to deferred tax assets 189,186 - Remeasurement of deferred income taxes - 713,826 Other 27,233 81,716 Total income tax (benefit) provision $ (26,503 ) $ 3,041,844 *As adjusted for the retrospective adoption of ASC 606 Temporary differences which give rise to deferred income tax assets and liabilities at June 30, 2019 June 30, 2018 2019 2018* Deferred income tax assets: Deferred compensation $ 642,424 $ 635,936 Stock-based compensation 228,981 420,204 Accrued expenses and reserves 705,828 997,924 Federal and state net operating loss carryforwards 697,621 630,344 Equipment and leasehold improvements 122,714 26,568 Valuation allowance (2,382,087 ) (2,710,628 ) Total deferred income tax assets 15,481 348 Deferred income tax liabilities: Other (2,205 ) (348 ) Net deferred income tax assets $ 13,276 $ - *As adjusted for the retrospective adoption of ASC 606 842 Deferred income tax balances reflect the effects of temporary differences between the tax bases of assets and liabilities and their carrying amounts. These differences are stated at enacted tax rates expected to be in effect when taxes are actually paid or recovered. The recognition of these deferred tax balances will be realized through normal recurring operations and, as such, the Company has recorded the value of such expected benefits. The Company has federal net operating loss carryforwards totaling $317,531 2037 $312,272 $6,500,000 2026 2039 ASC Topic 740 no June 30, 2019 Additionally, ASC Topic 740 No June 30, 2019 2018 The Company does not June 30, 2019 2018 June 30, 2019 2018 have impacted The Company files income tax returns in the United States federal jurisdiction and in several state jurisdictions. The Company’s federal tax returns for tax years beginning July 1, 2015 June 30, 2014 The following are the changes in the valuation allowance, which are net of the impact for the remeasurement due to the TCJA: Balance, Decrease (Increase) beginning in valuation Balance, Year Ended June 30, of year allowance end of year 2019 $ (2,710,628 ) $ 328,541 $ (2,382,087 ) 2018 $ (444,409 ) $ (2,266,219 ) $ (2,710,628 )

Note 7 - Credit Facility

Note 7 - Credit Facility	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Debt Disclosure [Text Block]	7. CREDIT FACILITY On May 12, 2010, ("JPMorgan Credit Agreement") w i $8,000,000 0.0% 0.75% 2.0% 3.0% 0.3% 0.45% June 29, 2017, $4,000,000 May 9, 2018, July 31, 2019. may, $2,000,000 may May 12, 2010, JPMorgan June 30, 2018 no The Company’s credit facility with JPMorgan was terminated on May 14, 2019 no On May 14, 2019, ("Credit Agreement two May 14, 2021. $5,000,000 1.50% $1,000,000 no May 14, 2019 fundamental changes, certain investments, disposition of assets, mergers and liquidations June 30, 2019 no The Company incurs interest expense primarily related to its secured credit facility. Interest expense was $5,218 June 30, 2018 no June 30, 2019

Note 8 - Accrued Liabilities

Note 8 - Accrued Liabilities	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Accounts Payable and Accrued Liabilities Disclosure [Text Block]	8. ACCRUED LIABILITIES Accrued liabilities as of June 30, 2019 2018 2019 2018* Cooperative advertising and promotion allowances $ 188,985 $ 292,873 Customer credit balances 65,937 53,365 Current deferred compensation 150,000 150,000 Employee benefits 60,178 60,739 Legal and professional fees 65,914 81,000 Bonus and profit-sharing 18,694 17,975 Sales commissions and bonuses 51,026 74,078 Other 49,779 58,931 Total accrued liabilities $ 650,513 $ 788,961 *As adjusted for retrospective adoption of ASC 606

Note 9 - Deferred Compensation

Note 9 - Deferred Compensation	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	9. DEFERRED COMPENSATION The Company has deferred compensation agreements with a former and current officer. The related expense is calculated using the net present value of the expected payments and is included in selling, general and administrative expenses in the Consolidated Statements of Operations. The Company's current and non-current deferred compensation obligations are included in accrued liabilities and deferred compensation, respectively, in the Consolidated Balance Sheets. The net present value was calculated for the former officer using a discount factor of 2.60% June 30, 2019 2018 4.80% June 30, 2019 2018 The Board of Directors entered into an agreement to continue the 1991 June 30, 2015, $150,000 June 30, 2019 2018 $540,379 $672,884 June 30, 2019 2018 $17,495 $102,293 2019 2018 The Board of Directors has approved a supplemental retirement plan for 2% $2,029,583 $1,871,125 June 30, 2019 2018 $158,458 $147,298 2019 2018

Note 10 - Income (Loss) Per Com

Note 10 - Income (Loss) Per Common and Common Stock Equivalent Share	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Earnings Per Share [Text Block]	10. INCOME (LOSS) PER COMMON AND COMMON STOCK EQUIVALENT SHARE Basic income (loss) per share is computed based on the weighted-average number of common shares outstanding. The weighted-average number of common shares outstanding was 7,401,030 June 30, 2019 7,382,706 June 30, 2018 June 30, 2019 2018 2,523,513 2,405,000

Note 11 - Stock Options

Note 11 - Stock Options	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	11. STOCK OPTIONS In 2012, 2012 “2012 1990 "1990 2012 2,000,000 2012 1990 July 25, 2012, 2012 June 30, 2019 899,308 three five with a maximum term of five ten The fair value of each stock option grant was estimated as of the date of grant using the Black-Scholes pricing model. The resulting compensation cost for fixed awards with graded vesting schedules is amortized on a straight-line basis over the vesting period for the entire award. The expected term of awards granted is determined based on historical experience with similar awards, giving consideration to the expected term and vesting schedules. The expected volatility is determined based on the Company’s historical stock prices over the most recent period commensurate with the expected term of the award. The risk-free interest rate is based on U.S. Treasury zero As of June 30, 2019 $1,334,370 2012 1990 2.83 $387,556 $331,560 2019 2018 Options are granted at a price equal to or greater than the market value of the common stock on the date of grant. The per share weighted average fair value of the stock options granted during the years ended June 30, 2019 2018 $1.57 $0.85 2019 2018 2019 2018 Expected stock price volatility 66 % 54 % Risk free interest rate 2.86 % 1.91 % Expected dividend yield — % — % Expected forfeitures 29.68 % 24.40 % Expected life of options (years) 5.8 5.6 The following table identifies options granted, exercised, canceled, or available for exercise pursuant to the 1990 2012 Aggregate Weighted Intrinsic Weighted Average Value of Stock Average Remaining In-The- Number of Options Exercise Contractual Money Shares Price Range Price Life - Years Options Shares under option at June 30, 2017 2,180,000 $2.05 - $7.76 $ 3.93 3.47 $ — Granted 510,000 $1.77 - $1.95 $ 1.89 Exercised — — $ — Expired (285,000) $5.47 - $7.76 $ 5.55 Forfeited — — $ — Shares under option at June 30, 2018 2,405,000 $1.77 - $6.28 $ 3.31 3.61 $ — Granted 585,000 $2.63 - $2.92 $ 2.79 Exercised (22,125) $1.77 - $2.24 $ 2.11 Expired (302,000) $1.77 - $5.83 $ 5.62 Forfeited (73,000) $1.77 - $2.65 $ 2.22 Shares under option at June 30, 2019 2,592,875 $1.77 - $6.28 $ 2.96 4.23 $ 48,280 Exercisable as of June 30, 2018 1,215,082 $2.05 - $6.28 $ 4.27 2.31 $ 10,750 Exercisable as of June 30, 2019 1,320,291 $1.77 - $6.28 $ 3.45 2.20 $ 9,788 The aggregate intrinsic value of outstanding and exercisable stock options is defined as the difference between the market value of the Company's stock on June 30, 2019 A summary of intrinsic value and cash received from stock option exercises and fair value of vested stock options for the fiscal years ended June 30, 2019 2018 2019 2018 Total intrinsic value of stock options exercised $ 34,797 $ — Cash received from stock option exercises $ 46,677 $ — Total fair value of stock options vested $ 374,639 $ 399,595 Total recognized tax benefit $ 9,198 $ — Weighted Average Grant Date Shares Fair Value Non-vested as of June 30, 2017 1,074,834 0.96 Granted 510,000 0.85 Vested (394,916 ) 1.01 Forfeited - - Non-vested as of June 30, 2018 1,189,918 0.90 Granted 585,000 1.57 Vested (429,334 ) 0.87 Forfeited (73,000 ) 1.33 Non-vested as of June 30, 2019 1,272,584 1.19

Note 12 - Stock Repurchase Prog

Note 12 - Stock Repurchase Program	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Stock Purchase Derivative Liability and Treasury Stock [Text Block]	12. STOCK REPURCHASE PROGRAM In April 1995, $2,000,00 June 30, 2019 $45,500,000 $43,360,247 No 2019 2018 The Company has an agreement with the former chairman, in the event of his death, at the request of the executor of his estate, to repurchase his Company common stock from his estate. The Company does not As of June 30, 2018 June 30, 2019 not no may 95% $2,500,000 may may 25% four $1,150,000

Note 13 - Additional Cash Flow

Note 13 - Additional Cash Flow Information	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Cash Flow, Supplemental Disclosures [Text Block]	13. ADDITIONAL CASH FLOW INFORMATION The net changes in cash as a result of changes in operating assets and liabilities consist of the following: 2019 2018* Accounts receivable $ 1,031,180 $ (773,330 ) Inventories (712,769 ) 2,206,664 Prepaid expenses and other current assets 72,887 (381 ) Income taxes receivable (13,285 ) 439 Accounts payable 6,882 (813,619 ) Accrued liabilities (138,448 ) 30,834 Net change $ 246,447 $ 650,607 Net cash paid (refunded) Income taxes $ 1,620 $ 3,182 Interest expense $ - $ 5,218 *As adjusted for retrospective adoption of ASC 606 842

Note 14 - Deferred Revenue

Note 14 - Deferred Revenue	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Contract with Customer, Liability [Text Block]	14. DEFERRED REVENUE Deferred revenue relates primarily to consumer and customer warranties. These constitute future performance obligations and the Company defers revenue $497,351 $480,375 twelve June 30, 2019 2018,

Note 15 - Leases

Note 15 - Leases	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	15. LEASES The Company leases its facility in Milwaukee, Wisconsin from Koss Holdings, LLC, which is wholly-owned by the former Chairman. On January 5, 2017 five June 30, 2023 $380,000 five June 30, 2028 The Company used its incremental borrowing rate as of July 1, 2017, 2016 02 842 five not Adoption of the standard related to leases impacted the Company's previously reported results by adding the following line items to the Company's Balance Sheet As June 30, 2018 Adjusted Assets: Operating lease right-of-use asset $ 3,102,263 Current liabilities: Operating lease liability 254,418 Long-term liabilities: Operating lease liability $ 2,847,845 Supplemental information related to lease expense and valuation of the ROU asset and liability was as follows: Year Ended 2019 2018 Operating lease cost $ 380,000 $ 380,000 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ (380,000 ) $ (380,000 ) Weighted-average remaining lease term (in years) 9 10 Weighted-average discount rate 4.25 % 4.25 % The maturity schedule of future minimum lease payments and reconciliation to the operating lease liabilities Year Ending June 30, 2020 $ 380,000 2021 380,000 2022 380,000 2023 380,000 2024 380,000 Thereafter 1,520,000 Total lease payments 3,420,000 Present value adjustment (572,155 ) Total lease liabilities $ 2,847,845

Note 16 - Employee Benefit Plan

Note 16 - Employee Benefit Plans	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Compensation and Employee Benefit Plans [Text Block]	16. EMPLOYEE BENEFIT PLANS Substantially all domestic employees are participants in the Koss Employee Stock Ownership Trust ("KESOT") under which an annual contribution in either cash or common stock may No 2019 2018 The Company maintains a retirement savings plan under Section 401 one 2019 2018 50% 75% $160,171 $276,217 2019 2018

Note 17 - Concentrations

Note 17 - Concentrations	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Concentration Risk Disclosure [Text Block]	17. CONCENTRATIONS The Company’s sales to its largest single customer, Wal-Mart, were approximately 18% 21% 2019 2018 five 45% 47% 2019 2018 June 30, 2019 June 30, 2018 33% 34% 10% 26% June 30, 2019 2018 The Company uses contract manufacturing facilities in the People’s Republic of China. The majority of the contract manufacturing is done by four one 75%

Note 18 - Legal Matters

Note 18 - Legal Matters	12 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Legal Matters and Contingencies [Text Block]	18. LEGAL MATTERS As of June 30, 2019 matte s • On or around July 13, 2018, August 10, 2018, • The Company has launched a program focused on enforcing its intellectual property and, in particular, certain of its patent portfolio. The Company has incurred costs and will continue to incur costs related to enforcing this program. These costs primarily relate to legal fees and other costs involved with the underlying efforts to enforce this portfolio. Depending on the response to and the underlying results of the enforcement program, the Company may The ultimate resolution of these matters is not We also are subject to a variety of other claims and suits that arise from time to time in the ordinary course of our business. Although management currently believes that resolving these claims against us, individually or in aggregate, will not may

Significant Accounting Policies

Significant Accounting Policies (Policies)	12 Months Ended
	Jun. 30, 2019
Accounting Policies [Abstract]
Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block]	BASIS OF CONSOLIDATION — The Consolidated Financial Statements include the accounts of Koss and its subsidiary, Koss UK, which is a 100%
Revenue from Contract with Customer [Policy Text Block]	REVENUE RECOGNITION — Revenues from product sales are recognized when the customer obtains control of the product, which typically occurs upon shipment from the Company's facility. There are a very limited number of customers for which control does not May 2014, 2014 09 606 five July 1, 2018 3
Shipping and Handling, Fees and Costs [Policy Text Block]	SHIPPING AND HANDLING FEES AND COSTS — Shipping and handling costs charged to customers have been included in net sales. Shipping and handling costs incurred by the Company have been included in cost of goods sold.
Research and Development Expense, Policy [Policy Text Block]	RESEARCH AND DEVELOPMENT — Research and development activities charged to operations as a component of selling, general and administrative expenses in the accompanying Consolidated Statements of Operations amounted to $ 334,789 $ 427,009 2019 2018
Advertising Cost [Policy Text Block]	ADVERTISING COSTS — Advertising costs included within selling, general and administrative expenses in the accompanying Consolidated Statements of Operations were $ 47,657 2019 $ 65,279 2018
Income Tax, Policy [Policy Text Block]	INCOME TAXES — The Company operates as a C Corporation under the Internal Revenue Code (the "Code"). Amounts provided for income tax expense are based on income reported for financial statement purposes and do not bases
Earnings Per Share, Policy [Policy Text Block]	INCOME (LOSS) (loss) 260 (loss) (loss) no (loss) (loss) 10 (loss)
Cash and Cash Equivalents, Policy [Policy Text Block]	CASH AND CASH EQUIVALENTS — The Company considers depository accounts and investments with a maturity at the date of acquisition and expected usage of three not not
Accounts Receivable [Policy Text Block]	ACCOUNTS RECEIVABLE — Accounts receivable consists of unsecured trade receivables due from customers. An allowance for doubtful accounts is recorded for significant past due receivable balances based on a review of the past due item and general economic conditions.
Inventory, Policy [Policy Text Block]	INVENTORIES June 30, 2019, last-in, first first first not June 30, 2018 June 30, 2019 $0 June 30, 2018 June 30, 2019 not $0 June 30, 2017. 4
Property, Plant and Equipment, Policy [Policy Text Block]	EQUIPMENT AND LEASEHOLD IMPROVEMENTS — Equipment and leasehold improvements are stated at cost. Depreciation and amortization is 5
Lessee, Leases [Policy Text Block]	LEASES February 2016, 2016 02 842 July 1, 2018 10 September 30, 2018. The Company determines if a contract is a lease at the date of inception. The Company leases its facility in Milwaukee, Wisconsin from Koss Holdings, LLC, which is wholly-owned by the former chairman, and has determined that the lease is an operating lease. Operating leases are reported on the Company's Consolidated Balance Sheets
Life Insurance Policies [Policy Text Block]	LIFE INSURANCE POLICIES — Life insurance policies are stated at cash surrender value or at the amount the Company would receive in the case of split-dollar arrangements. Increases in cash surrender value are included in selling, general and administrative expenses in the Consolidated Statements of Operations, which is where the annual premiums are recorded.
Compensation Related Costs, Policy [Policy Text Block]	DEFERRED COMPENSATION — The Company’s deferred compensation liabilities are for a current and former officer and are calculated based on compensation, years of service and mortality tables. The related expense is calculated using the net present value of the expected payments and is included in selling, general and administrative expenses in the Consolidated Statements of Operations. See Note 9
Fair Value of Financial Instruments, Policy [Policy Text Block]	FAIR VALUE OF FINANCIAL INSTRUMENTS — Cash equivalents, accounts receivable and accounts payable approximate fair value based on the short maturity of these instruments.
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]	IMPAIRMENT OF LONG-LIVED ASSETS — The Company evaluates the recoverability of the carrying amount of long-lived assets whenever events or changes in circumstances indicate that the carrying amount of an asset may not No June 30, 2019 2018
Legal Costs, Policy [Policy Text Block]	LEGAL COSTS — All legal costs related to litigation are charged to operations as incurred, except settlements, which are expensed when a claim is probable and can be estimated. Recoveries of legal costs are recorded when the amount and items to be paid are confirmed by the insurance company. Proceeds from the settlement of legal disputes are recorded in income when the amounts are determinable and the collection is certain.
Share-based Payment Arrangement [Policy Text Block]	STOCK-BASED COMPENSATION — The Company has a stock-based employee compensation plan, which is described more fully in Note 11. 718
Use of Estimates, Policy [Policy Text Block]	USE OF ESTIMATES — The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and the reported amounts of revenue and expenses during the reported period. Actual results could differ from those estimates.
Reclassification, Policy [Policy Text Block]	RECLASSIFICATIONS — Certain amounts previously reported have been reclassified to conform to the current presentation.

Note 3 - Revenue Recognition (T

Note 3 - Revenue Recognition (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]	Balance Sheet As Previously New Revenue As June 30, 2018 Reported Standard Adjustment Adjusted Current liabilities: Accrued liabilities $ 1,178,571 $ (389,610 ) $ 788,961 Deferred revenue - 690,905 690,905 Long-term liabilities: Other liabilities 155,702 (155,702 ) - Deferred revenue - 168,465 168,465 Equity: Retained earnings $ 8,728,628 $ (314,058 ) $ 8,414,570 Statement of Operations As Previously New Revenue As Year ended June 30, 2018 Reported Standard Adjustment Adjusted Net sales $ 23,515,441 $ 7,190 $ 23,522,631 Cost of goods sold 16,933,431 33,202 16,966,633 Income tax provision 3,042,696 (852 ) 3,041,844 Net (loss) (3,386,060 ) (25,160 ) (3,411,220 ) (Loss) per common share: Basic $ (0.46 ) $ $ (0.46 ) Diluted (0.46 ) - (0.46 ) Statement of Cash Flows As Previously New Revenue As Year ended June 30, 2018 Reported Standard Adjustment Adjusted Operating activities: Net (loss) $ (3,386,060 ) $ (25,160 ) $ (3,411,220 ) Deferred income taxes 3,042,257 (852 ) 3,041,405 Change in deferred revenue 15,638 15,638 Net changes in operating assets and liabilities 640,233 10,374 650,607 Cash provided by operating activities $ 1,031,087 - $ 1,031,087
Disaggregation of Revenue [Table Text Block]	2019 2018* United States $ 15,255,741 $ 16,584,115 Export 6,586,3 Net Sales $ 21,842,097 $ 23,522,631

Note 4 - Inventories (Tables)

Note 4 - Inventories (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Inventory, Current [Table Text Block]	2019 2018 Raw materials $ 1,848,340 $ 2,717,862 Finished goods 6,604,408 6,057,703 8,452,748 8,775,565 Reserve for obsolete inventory (1,601,300 ) (2,636,886 ) Total inventories $ 6,851,448 $ 6,138,679

Note 5 - Equipment and Leaseh_2

Note 5 - Equipment and Leasehold Improvements (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Property, Plant and Equipment [Table Text Block]	Estimated useful lives (in years) 2019 2018 Machinery and equipment 5 - 10 $ 593,595 $ 593,595 Furniture and office equipment 5 - 10 357,351 357,351 Tooling 5 4,261,077 4,308,967 Computer equipment 3 - 5 758,819 758,820 Leasehold improvements 3 - 10 2,517,226 2,457,006 Assets in progress N/A 118,737 19,500 8,606,805 8,495,239 Less: accumulated depreciation and amortization 7,716,695 7,363,134 Equipment and leasehold improvements, net $ 890,110 $ 1,132,105

Note 6 - Income Taxes (Tables)

Note 6 - Income Taxes (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	Year Ended June 30, 2019 2018* Current: Federal $ (13,277 ) $ 414 State 25 25 Deferred (13,251 ) 3,041,405 Total income tax (benefit) provision $ (26,503 ) $ 3,041,844
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	Year Ended June 30, 2019 2018* Federal income tax liability (benefit) at statutory rate $ 85,599 $ (101,578 ) State income tax liability (benefit), net of federal income tax effect 20 (9,518 ) (Decrease) increase in valuation allowance (328,541 ) 2,266,219 Stock-based compensation - 91,179 Adjustment to deferred tax assets 189,186 - Remeasurement of deferred income taxes - 713,826 Other 27,233 81,716 Total income tax (benefit) provision $ (26,503 ) $ 3,041,844
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	2019 2018* Deferred income tax assets: Deferred compensation $ 642,424 $ 635,936 Stock-based compensation 228,981 420,204 Accrued expenses and reserves 705,828 997,924 Federal and state net operating loss carryforwards 697,621 630,344 Equipment and leasehold improvements 122,714 26,568 Valuation allowance (2,382,087 ) (2,710,628 ) Total deferred income tax assets 15,481 348 Deferred income tax liabilities: Other (2,205 ) (348 ) Net deferred income tax assets $ 13,276 $ -
Summary of Valuation Allowance [Table Text Block]	Balance, Decrease (Increase) beginning in valuation Balance, Year Ended June 30, of year allowance end of year 2019 $ (2,710,628 ) $ 328,541 $ (2,382,087 ) 2018 $ (444,409 ) $ (2,266,219 ) $ (2,710,628 )

Note 8 - Accrued Liabilities (T

Note 8 - Accrued Liabilities (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Accrued Liabilities [Table Text Block]	2019 2018* Cooperative advertising and promotion allowances $ 188,985 $ 292,873 Customer credit balances 65,937 53,365 Current deferred compensation 150,000 150,000 Employee benefits 60,178 60,739 Legal and professional fees 65,914 81,000 Bonus and profit-sharing 18,694 17,975 Sales commissions and bonuses 51,026 74,078 Other 49,779 58,931 Total accrued liabilities $ 650,513 $ 788,961

Note 11 - Stock Options (Tables

Note 11 - Stock Options (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2019 2018 Expected stock price volatility 66 % 54 % Risk free interest rate 2.86 % 1.91 % Expected dividend yield — % — % Expected forfeitures 29.68 % 24.40 % Expected life of options (years) 5.8 5.6
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Aggregate Weighted Intrinsic Weighted Average Value of Stock Average Remaining In-The- Number of Options Exercise Contractual Money Shares Price Range Price Life - Years Options Shares under option at June 30, 2017 2,180,000 $2.05 - $7.76 $ 3.93 3.47 $ — Granted 510,000 $1.77 - $1.95 $ 1.89 Exercised — — $ — Expired (285,000) $5.47 - $7.76 $ 5.55 Forfeited — — $ — Shares under option at June 30, 2018 2,405,000 $1.77 - $6.28 $ 3.31 3.61 $ — Granted 585,000 $2.63 - $2.92 $ 2.79 Exercised (22,125) $1.77 - $2.24 $ 2.11 Expired (302,000) $1.77 - $5.83 $ 5.62 Forfeited (73,000) $1.77 - $2.65 $ 2.22 Shares under option at June 30, 2019 2,592,875 $1.77 - $6.28 $ 2.96 4.23 $ 48,280 Exercisable as of June 30, 2018 1,215,082 $2.05 - $6.28 $ 4.27 2.31 $ 10,750 Exercisable as of June 30, 2019 1,320,291 $1.77 - $6.28 $ 3.45 2.20 $ 9,788
Intrinsic Value and Cash Received from Stock Option Exercises and Fair Value of Vested Stock Options [Table Text Block]	2019 2018 Total intrinsic value of stock options exercised $ 34,797 $ — Cash received from stock option exercises $ 46,677 $ — Total fair value of stock options vested $ 374,639 $ 399,595 Total recognized tax benefit $ 9,198 $ —
Schedule of Nonvested Option Activity [Table Text Block]	Weighted Average Grant Date Shares Fair Value Non-vested as of June 30, 2017 1,074,834 0.96 Granted 510,000 0.85 Vested (394,916 ) 1.01 Forfeited - - Non-vested as of June 30, 2018 1,189,918 0.90 Granted 585,000 1.57 Vested (429,334 ) 0.87 Forfeited (73,000 ) 1.33 Non-vested as of June 30, 2019 1,272,584 1.19

Note 13 - Additional Cash Flo_2

Note 13 - Additional Cash Flow Information (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]	2019 2018* Accounts receivable $ 1,031,180 $ (773,330 ) Inventories (712,769 ) 2,206,664 Prepaid expenses and other current assets 72,887 (381 ) Income taxes receivable (13,285 ) 439 Accounts payable 6,882 (813,619 ) Accrued liabilities (138,448 ) 30,834 Net change $ 246,447 $ 650,607 Net cash paid (refunded) Income taxes $ 1,620 $ 3,182 Interest expense $ - $ 5,218

Note 15 - Leases (Tables)

Note 15 - Leases (Tables)	12 Months Ended
	Jun. 30, 2019
Notes Tables
Assets and Liabilities Lessee [Table Text Block]	Balance Sheet As June 30, 2018 Adjusted Assets: Operating lease right-of-use asset $ 3,102,263 Current liabilities: Operating lease liability 254,418 Long-term liabilities: Operating lease liability $ 2,847,845
Lease, Cost [Table Text Block]	Year Ended 2019 2018 Operating lease cost $ 380,000 $ 380,000 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ (380,000 ) $ (380,000 ) Weighted-average remaining lease term (in years) 9 10 Weighted-average discount rate 4.25 % 4.25 %
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	Year Ending June 30, 2020 $ 380,000 2021 380,000 2022 380,000 2023 380,000 2024 380,000 Thereafter 1,520,000 Total lease payments 3,420,000 Present value adjustment (572,155 ) Total lease liabilities $ 2,847,845

Note 1 - Significant Accounti_2

Note 1 - Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Inventory, LIFO Reserve	$ 0	$ 0	$ 0
Impairment of Long-Lived Assets Held-for-use	0	0
Selling, General and Administrative Expenses [Member]
Research and Development Expense, Total	334,789	427,009
Advertising Expense	$ 47,657	$ 65,279

Note 3 - Revenue Recognition -

Note 3 - Revenue Recognition - Cumulative Effect of Changes for Adoption of ASC 606 (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Accrued liabilities	$ 650,513	$ 788,961	[1],[2]
Deferred revenue	645,470	690,905	[2]
Other liabilities
Deferred revenue	163,018	168,465	[2]
Retained earnings	8,848,684	8,414,570	[2]
Net Sales	21,842,097	23,522,631	[3],[4]
Cost of goods sold	15,022,223	16,966,633	[3]
Income tax provision	(26,503)	3,041,844	[3],[5],[6]
Net (loss)	$ 434,114	$ (3,411,220)	[3],[7],[8]
Basic (in dollars per share)	$ 0.06	$ (0.46)	[3]
Diluted (in dollars per share)	$ 0.06	$ (0.46)	[3]
Deferred income taxes	$ (13,276)	$ 3,041,405	[7]
Change in deferred revenue	(50,882)	15,638	[7]
Net changes in operating assets and liabilities		650,607
Cash provided by operating activities	$ 1,411,065	1,031,087	[7]
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Accrued liabilities		1,178,571
Deferred revenue
Other liabilities		155,702
Deferred revenue
Retained earnings		8,728,628
Net Sales		23,515,441
Cost of goods sold		16,933,431
Income tax provision		3,042,696
Net (loss)		$ (3,386,060)
Basic (in dollars per share)		$ (0.46)
Diluted (in dollars per share)		$ (0.46)
Deferred income taxes		$ 3,042,257
Change in deferred revenue
Net changes in operating assets and liabilities		640,233
Cash provided by operating activities		1,031,087
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Accrued liabilities		(389,610)
Deferred revenue		690,905
Other liabilities		(155,702)
Deferred revenue		168,465
Retained earnings		(314,058)
Net Sales		7,190
Cost of goods sold		33,202
Income tax provision		(852)
Net (loss)		$ (25,160)
Basic (in dollars per share)
Diluted (in dollars per share)
Deferred income taxes		$ (852)
Change in deferred revenue		15,638
Net changes in operating assets and liabilities		10,374
Cash provided by operating activities
[1]	As adjusted for retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606 and ASC 842
[3]	As adjusted for the retrospective adoption of ASC 606
[4]	As adjusted for the retrospective adoption of ASC 606
[5]	As adjusted for the retrospective adoption of ASC 606
[6]	As adjusted for the retrospective adoption of ASC 606
[7]	As adjusted for the retrospective adoption of ASC 606
[8]	As adjusted for the retrospective adoption of ASC 606

Note 3 - Revenue Recognition _2

Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[2]
Net Sales	$ 21,842,097	$ 23,522,631	[1]
UNITED STATES
Net Sales	15,255,741	16,584,115
Non-US [Member]
Net Sales	$ 6,586,356	$ 6,938,516
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606

Note 4 - Inventories (Details T

Note 4 - Inventories (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Inventory, LIFO Reserve, Period Charge	$ 0	$ 0	$ 0

Note 4 - Inventories - Componen

Note 4 - Inventories - Components of Inventories (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018
Raw materials	$ 1,848,340	$ 2,717,862
Finished goods	6,604,408	6,057,703
	8,452,748	8,775,565
Reserve for obsolete inventory	(1,601,300)	(2,636,886)
Total inventories	$ 6,851,448	$ 6,138,679	[1]
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 5 - Equipment and Leaseh_3

Note 5 - Equipment and Leasehold Improvements - Major Categories of Equipment and Leasehold Improvements (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Equipment and leasehold improvements, gross	$ 8,606,805	$ 8,495,239
Less: accumulated depreciation and amortization	7,716,695	7,363,134
Equipment and leasehold improvements, net	890,110	1,132,105	[1]
Machinery and Equipment [Member]
Equipment and leasehold improvements, gross	$ 593,595	593,595
Machinery and Equipment [Member] | Minimum [Member]
Estimated useful life (Year)	5 years
Machinery and Equipment [Member] | Maximum [Member]
Estimated useful life (Year)	10 years
Furniture and Fixtures [Member]
Equipment and leasehold improvements, gross	$ 357,351	357,351
Furniture and Fixtures [Member] | Minimum [Member]
Estimated useful life (Year)	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Estimated useful life (Year)	10 years
Tooling [Member]
Estimated useful life (Year)	5 years
Equipment and leasehold improvements, gross	$ 4,261,077	4,308,967
Computer Equipment [Member]
Equipment and leasehold improvements, gross	$ 758,819	758,820
Computer Equipment [Member] | Minimum [Member]
Estimated useful life (Year)	3 years
Computer Equipment [Member] | Maximum [Member]
Estimated useful life (Year)	5 years
Leasehold Improvements [Member]
Equipment and leasehold improvements, gross	$ 2,517,226	2,457,006
Leasehold Improvements [Member] | Minimum [Member]
Estimated useful life (Year)	3 years
Leasehold Improvements [Member] | Maximum [Member]
Estimated useful life (Year)	10 years
Asset under Construction [Member]
Equipment and leasehold improvements, gross	$ 118,737	$ 19,500
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 6 - Income Taxes (Details

Note 6 - Income Taxes (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ 713,826		$ 713,826	[1]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		317,531
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration		312,272
Income Tax Examination, Penalties and Interest Expense, Total		0	0
Unrecognized Tax Benefits, Ending Balance		0	$ 0
State and Local Jurisdiction [Member] | Wisconsin Department of Revenue [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		$ 6,500,000
[1]	As adjusted for the retrospective adoption of ASC 606

Note 6 - Income Taxes - Income

Note 6 - Income Taxes - Income Tax Provision (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[1]
Federal	$ (13,277)	$ 414
State	25	25
Deferred	(13,251)	3,041,405
Total income tax (benefit) provision	$ (26,503)	$ 3,041,844	[2],[3]
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606
[3]	As adjusted for the retrospective adoption of ASC 606

Note 6 - Income Taxes - Effecti

Note 6 - Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	[1]
Federal income tax liability (benefit) at statutory rate		$ 85,599	$ (101,578)
State income tax liability (benefit), net of federal income tax effect		20	(9,518)
(Decrease) increase in valuation allowance		(328,541)	2,266,219
Stock-based compensation			91,179
Adjustment to deferred tax assets		189,186
Remeasurement of deferred income taxes	$ 713,826		713,826
Other		27,233	81,716
Total income tax (benefit) provision		$ (26,503)	$ 3,041,844	[2],[3]
[1]	As adjusted for the retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606
[3]	As adjusted for the retrospective adoption of ASC 606

Note 6 - Income Taxes - Deferre

Note 6 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018	[1]	Jun. 30, 2017
Deferred compensation	$ 642,424	$ 635,936
Stock-based compensation	228,981	420,204
Accrued expenses and reserves	705,828	997,924
Federal and state net operating loss carryforwards	697,621	630,344
Equipment and leasehold improvements	122,714	26,568
Valuation allowance	(2,382,087)	(2,710,628)		$ (444,409)
Total deferred income tax assets	15,481	348
Other	(2,205)	(348)
Net deferred income tax assets	$ 13,276		[2]
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842
[2]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 6 - Income Taxes - Changes

Note 6 - Income Taxes - Changes in the Valuation Allowance (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019		Jun. 30, 2018
Balance, beginning of year	$ (2,710,628)	[1]	$ (444,409)
Decrease (Increase) in valuation allowance	328,541		(2,266,219)
Balance, end of year	$ (2,382,087)		$ (2,710,628)	[1]
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 7 - Credit Facility (Detai

Note 7 - Credit Facility (Details Textual) - USD ($)	May 14, 2019	May 12, 2010	Jun. 30, 2019	Jun. 30, 2018	Jun. 29, 2017
Interest Expense, Debt, Total			$ 0	$ 5,218
JP Morgan Chase Bank [Member] | Credit Agreement [Member]
Line of Credit, Current			$ 0
Long-term Line of Credit, Total	$ 0
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 8,000,000			$ 4,000,000
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.30%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] | Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.00%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		2.00%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.45%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] | Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		0.75%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		3.00%
JP Morgan Chase Bank [Member] | Credit Agreement [Member] | Standby Letters of Credit [Member]
Line of Credit Facility, Capacity Available for Trade Purchases		$ 2,000,000
Town Bank [Member] | Credit Agreement [Member]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.00%
Long-term Line of Credit, Total	$ 0
Debt Instrument, Term	2 years
Town Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000,000
Town Bank [Member] | Credit Agreement [Member] | Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.50%
Town Bank [Member] | Credit Agreement [Member] | Letter of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000,000

Note 8 - Accrued Liabilities -

Note 8 - Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018	[1]
Cooperative advertising and promotion allowances	$ 188,985	$ 292,873
Customer credit balances	65,937	53,365
Current deferred compensation	150,000	150,000
Employee benefits	60,178	60,739
Legal and professional fees	65,914	81,000
Bonus and profit-sharing	18,694	17,975
Sales commissions and bonuses	51,026	74,078
Other	49,779	58,931
Total accrued liabilities	$ 650,513	$ 788,961	[2]
[1]	As adjusted for retrospective adoption of ASC 606
[2]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 9 - Deferred Compensation

Note 9 - Deferred Compensation (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Deferred Compensation Arrangement with Individual, Distribution Paid	$ 150,000	$ 150,000	[1]
Former Board of Directors Chairman [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	2.60%
Deferred Compensation Arrangement with Individual, Distribution Paid	$ 150,000	150,000
Deferred Compensation Arrangement with Individual, Recorded Liability	540,379	672,884
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 17,495	102,293
Officer [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.80%
Deferred Compensation Arrangement with Individual, Recorded Liability	$ 2,029,583	1,871,125
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 158,458	$ 147,298
Deferred Compensation, Cash Compensation, Percent of Base Salary Times Number of Years of Service	2.00%
[1]	As adjusted for the retrospective adoption of ASC 606

Note 10 - Income (Loss) Per C_2

Note 10 - Income (Loss) Per Common and Common Stock Equivalent Share (Details Textual) - shares	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Weighted Average Number of Shares Outstanding, Basic, Total	7,401,030	7,382,706	[1]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,523,513	2,405,000
[1]	As adjusted for the retrospective adoption of ASC 606

Note 11 - Stock Options (Detail

Note 11 - Stock Options (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.57	$ 0.85
The 2012 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized			2,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	899,308
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1,334,370
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 302 days
Stock or Unit Option Plan Expense	$ 387,556	$ 331,560
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 1.57	$ 0.85
The 2012 Omnibus Incentive Plan [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	5 years
The 2012 Omnibus Incentive Plan [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years

Note 11 - Stock Options - Weigh

Note 11 - Stock Options - Weighted-Average Assumptions (Details)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Expected stock price volatility	66.00%	54.00%
Risk free interest rate	2.86%	1.91%
Expected dividend yield
Expected forfeitures	29.68%	24.40%
Expected life of options (Year)	5 years 292 days	5 years 219 days

Note 11 - Stock Options - Optio

Note 11 - Stock Options - Options Granted, Exercised, Cancelled or Available for Exercise (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Shares under option, number of shares (in shares)	2,405,000	2,180,000
Shares under option, stock options price range, lower limit (in dollars per share)	$ 1.77	$ 1.77	$ 2.05
Shares under option, stock options price range, upper limit (in dollars per share)	6.28	6.28	$ 7.76
Shares under option, weighted average exercise price (in dollars per share)	$ 3.31	$ 3.93
Shares under option, weighted average remaining contractual life (Year)	4 years 83 days	3 years 222 days	3 years 171 days
Granted, number of shares (in shares)	585,000	510,000
Granted, stock options price range, lower limit (in dollars per share)	$ 2.63	$ 1.77
Granted, stock options price range, upper limit (in dollars per share)	2.92	1.95
Granted, weighted average exercise price (in dollars per share)	$ 2.79	$ 1.89
Exercised, number of shares (in shares)	(22,125)
Exercised, stock options price range, lower limit (in dollars per share)	$ 1.77
Exercised, stock options price range, upper limit (in dollars per share)	2.24
Exercised, weighted average exercise price (in dollars per share)	$ 2.11
Expired, number of shares (in shares)	(302,000)	(285,000)
Expired, stock options price range, lower limit (in dollars per share)	$ 1.77	$ 5.47
Expired, stock options price range, upper limit (in dollars per share)	5.83	7.76
Expired, weighted average exercise price (in dollars per share)	$ 5.62	$ 5.55
Forfeited, number of shares (in shares)	(73,000)
Forfeited, stock options price range, lower limit (in dollars per share)	$ 1.77
Forfeited, stock options price range, upper limit (in dollars per share)	2.65	5.30
Forfeited, weighted average exercise price (in dollars per share)	$ 2.22
Shares under option, number of shares (in shares)	2,592,875	2,405,000	2,180,000
Shares under option, weighted average exercise price (in dollars per share)	$ 2.96	$ 3.31	$ 3.93
Shares under option, aggregate intrinsic value of in-the-money options	$ 48,280
Exercisable, number of shares (in shares)	1,320,291	1,215,082
Exercisable, stock options price range, lower limit (in dollars per share)	$ 1.77	$ 2.05
Exercisable, stock options price range, upper limit (in dollars per share)	6.28	6.28
Exercisable, weighted average exercise price (in dollars per share)	$ 3.45	$ 4.27
Exercisable, weighted average remaining contractual life (Year)	2 years 73 days	2 years 113 days
Exercisable, aggregate intrinsic value of in-the-money options	$ 9,788	$ 10,750

Note 11 - Stock Options - Summa

Note 11 - Stock Options - Summary of Intrinsic Value and Cash Received From Stock Option Exercises and Fair Value of Vested Stock Options (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Total intrinsic value of stock options exercised	$ 34,797
Cash received from stock option exercises	46,677		[1]
Total fair value of stock options vested	374,639	399,595
Total recognized tax benefit	$ 9,198
[1]	As adjusted for the retrospective adoption of ASC 606

Note 11 - Stock Options - Nonve

Note 11 - Stock Options - Nonvested Option (Details) - $ / shares	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Non-vested (in shares)	1,189,918	1,074,834
Non-vested, weighted average grant date fair value (in dollars per share)	$ 0.90	$ 0.96
Granted (in shares)	585,000	510,000
Granted, weighted average grant date fair value (in dollars per share)	$ 1.57	$ 0.85
Vested (in shares)	(429,334)	(394,916)
Vested, weighted average grant date fair value (in dollars per share)	$ 0.87	$ 1.01
Forfeited (in shares)	73,000
Forfeited, weighted average grant date fair value (in dollars per share)	$ 1.33
Non-vested (in shares)	1,272,584	1,189,918
Non-vested, weighted average grant date fair value (in dollars per share)	$ 1.19	$ 0.90

Note 12 - Stock Repurchase Pr_2

Note 12 - Stock Repurchase Program (Details Textual) - USD ($)	12 Months Ended			290 Months Ended
	Jun. 30, 2019	Jun. 30, 2018		Jun. 30, 2019	Apr. 30, 1995
Stock Repurchase Program, Authorized Amount	$ 45,500,000			$ 45,500,000	$ 200,000
Stock Repurchased and Retired During Period, Shares	0	0		43,360,247
Cash Surrender Value of Life Insurance	$ 6,569,628	$ 6,374,372	[1]	$ 6,569,628
Estate of Former Chairman [Member]
Treasury Stock, Repurchase Price, Percentage of Fair Value of Common Stock	95.00%			95.00%
Stock Repurchase Program, Amount to Provide Proceeds Limitation	$ 2,500,000			$ 2,500,000
Percentage of Promissory Note Due To Execute A	25.00%			25.00%
Contingent Promissory Note Term	4 years
Cash Surrender Value of Life Insurance	$ 1,150,000			$ 1,150,000
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 13 - Additional Cash Flo_3

Note 13 - Additional Cash Flow Information - Changes in Operating Assets and Liabilities (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	[1]
Accounts receivable	$ 1,031,180	$ (773,330)
Inventories	(712,769)	2,206,664
Prepaid expenses and other current assets	72,887	(381)
Income taxes receivable	(13,285)	439
Accounts payable	6,882	(813,619)
Accrued liabilities	(138,448)	30,834
Net change	246,447	650,607	[2]
Income taxes	1,620	3,182
Interest expense		$ 5,218
[1]	As adjusted for retrospective adoption of ASC 606 and ASC 842
[2]	As adjusted for the retrospective adoption of ASC 606

Note 14 - Deferred Revenue (Det

Note 14 - Deferred Revenue (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Contract with Customer, Liability, Revenue Recognized	$ 497,351	$ 480,375

Note 15 - Leases (Details Textu

Note 15 - Leases (Details Textual)	12 Months Ended
	Jun. 30, 2019USD ($)
Lease Extension Per Year	$ 380,000
Lessee, Operating Lease, Renewal Term	5 years

Note 15 - Leaes - Adoption of S

Note 15 - Leaes - Adoption of Standard Related to Leases (Details) - USD ($)	Jun. 30, 2019	Jun. 30, 2018	[1]
Operating lease right-of-use asset	$ 2,847,846	$ 3,102,263
Operating lease liability	265,443	254,418
Operating lease liability	$ 2,582,402	$ 2,847,845
[1]	As adjusted for the retrospective adoption of ASC 606 and ASC 842

Note 15 - Leases - Lease Expens

Note 15 - Leases - Lease Expense (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating lease cost	$ 380,000	$ 380,000
Operating cash flows from operating leases	$ (380,000)	$ (380,000)
Weighted-average remaining lease term (Year)	9 years	10 years
Weighted-average discount rate	4.25%	4.25%

Note 15 - Leases - Schedule of

Note 15 - Leases - Schedule of Future Minimum Lease Payments (Details)	Jun. 30, 2019USD ($)
2020	$ 380,000
2021	380,000
2022	380,000
2023	380,000
2024	380,000
Thereafter	1,520,000
Total lease payments	3,420,000
Present value adjustment	(572,155)
Total lease liabilities	$ 2,847,845

Note 16 - Employee Benefit Pl_2

Note 16 - Employee Benefit Plans (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Employee Stock Ownership Plan (ESOP), Cash Contributions to ESOP	$ 0	$ 0
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	50.00%	75.00%
Defined Contribution Plan, Cost	$ 160,171	$ 276,217

Note 17 - Concentrations (Detai

Note 17 - Concentrations (Details Textual)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Major Customers	5
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Largest Single Customer [Member]
Concentration Risk, Percentage	18.00%	21.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Five Largest Customers [Member]
Concentration Risk, Percentage	45.00%	47.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Largest Single Customer [Member]
Concentration Risk, Percentage	33.00%	34.00%
Accounts Receivable [Member] | Geographic Concentration Risk [Member] | Non-US [Member]
Concentration Risk, Percentage	10.00%	26.00%
Manufacturing Costs Benchmark [Member] | Supplier Concentration Risk [Member]
Concentration Risk, Percentage	75.00%
Number of Major Vendors	1