Income Taxes (Tables)

12 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The provision for income taxes consists of the following:

	2018			2017			2016
Current:
Federal	$	-		$	-		$	-
State		9,938			7,299			11,286
Total current		9,938			7,299			11,286
Deferred:
Federal		424,038			(625,953	)		(100,174	)
State		91,789			(84,424	)		(3,495	)
Valuation Allowance		(352,727	)		739,578			393,814
Total deferred		163,100			29,201			290,145
	$	173,038		$	36,500		$	301,431

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of income taxes, with the amounts computed at the statutory federal rate is as follows:

	2018			2017			2016
Computed tax at federal statutory rate	$	(555,261	)	$	(697,736	)	$	(681,156	)
State income taxes, net of federal tax (benefit) provision		(54,471	)		(49,124	)		(38,971	)
Non deductible expenses		9,775			15,491			13,915
Federal research credit		(16,880	)		(9,661	)		(15,144	)
Net operating loss carryforward adjustment		131,244			-			-
Book tax depreciation adjustment		-			-			517,736
State NOLs		(39,979	)		39,697
Stock Options - Expired		4,424			15,308			122,508
Changes resulting from new tax law		1,080,362			-			-
Other, net		(33,449	)		(17,053	)		(11,271	)
Valuation Allowance		(352,727	)		739,578			393,814
Total	$	173,038		$	36,500		$	301,431

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The deferred tax assets and deferred tax liabilities recorded on the balance sheet as of June 30, 2018 and 2017 are as follows:

	2018			2017
Deferred tax assets
Bad debts	$	25,500		$	38,500
Intangible assets		2,530			4,620
Accrued liabilities		257,692			347,079
Accrued pension liability		-			18,031
Stock options		30,411			52,211
Net operating loss and credit carryforwards		3,511,943			4,554,491
Total Assets		3,828,076			5,014,932
Deferred tax liabilities
Prepaid expenses		11,606			9,179
Inventory		697,669			1,057,326
Depreciation		317,360			628,017
Other		81,186			84,328
Total Liabilities		1,107,821			1,778,850
Valuation Allowance		(2,199,592	)		(2,552,319	)
Total deferred taxes	$	520,663		$	683,763