Note 8 - Income Taxes (Tables)

12 Months Ended

Jun. 30, 2017

Notes Tables

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

	2017			2016
Expected income tax benefit at statutory rate	$	(836,000	)	$	(1,537,000	)
State taxes, net of federal benefit		(75,000	)		(138,000	)
Permanent differences and other		3,000			(13,000	)
Change in valuation allowance		908,000			1,688,000
Income tax benefit	$	-		$	-

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

	2017			2016
NOLs – noncurrent	$	20,087,000		$	19,705,000
Stock-based compensation - current		5,589,000			5,392,000
Property and equipment – noncurrent		2,014,000			2,014,000
Deferred compensation - noncurrent		2,017,000			1,688,000
Gross deferred tax assets		29,707,000			28,799,000
Valuation allowance		(29,707,000	)		(28,799,000	)
Net deferred tax assets	$	-		$	-