Note 10 - Income Taxes (Tables)

12 Months Ended

Jun. 30, 2016

Notes Tables

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

	2016			2015
Expected income tax benefit at statutory rate	$	(1,537,000	)	$	(1,918,000	)
State taxes, net of federal benefit		(138,000	)		(173,000	)
Permanent differences and other		(13,000	)		(19,000	)
Change in valuation allowance		1,688,000			2,110,000
Income tax benefit	$	-		$	-

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

	2016			2015
NOLs – noncurrent	$	19,705,000		$	19,083,000
Stock-based compensation - current		5,392,000			5,255,000
Property and equipment – noncurrent		2,014,000			1,390,000
Deferred compensation - noncurrent		1,688,000			1,383,000
Gross deferred tax assets		28,799,000			27,111,000
Valuation allowance		(28,799,000	)		(27,111,000	)
Net deferred tax assets	$	-		$	-