Note 12 - Income Taxes (Tables)

12 Months Ended

Jun. 30, 2021

Notes Tables

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

	2021			2020
Expected income tax benefit at statutory rate	$	(724,000	)	$	(955,000	)
State taxes, net of federal benefit		(126,000	)		(166,000	)
RTP – Excess Business Interest		115,000			(103,000	)
Permanent differences and other		8,000			9,000
Expiration of net operating allowances		802,000			71,000
Change in valuation allowance		(75,000	)		1,144,000
Income tax benefit	$	-		$	-

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

	2021			2020
NOL Carryforwards (Federal and State)	$	11,784,000		$	11,975,000
Stock-based compensation		5,350,000			5,073,000
Impairment		1,340,000			1,340,000
Business interest		264,000			217,000
Deferred compensation		986,000			1,194,000
Gross deferred tax assets		19,724,000			19,799,000
Valuation allowance		(19,724,000	)		(19,799,000	)
Net deferred tax assets	$	-		$	-