Note 11 - Income Taxes (Tables)

12 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

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

	2015			2014
Expected income tax benefit at statutory rate	$	(1,918,000	)	$	(1,959,000	)
State taxes, net of federal benefit		(173,000	)		(177,000	)
Permanent differences and other		(19,000	)		(19,000	)
Change in valuation allowance		2,110,000			2,155,000
Income tax benefit	$	-		$	-

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

	2015			2014
NOLs – noncurrent	$	19,083,000		$	18,392,000
Stock-based compensation - current		5,255,000			4,832,000
Property and equipment – noncurrent		1,390,000			741,000
Deferred compensation - noncurrent		1,383,000			1,036,000
		27,111,000			25,001,000
Valuation allowance		(27,111,000	)		(25,001,000	)
Net deferred tax assets	$	-		$	-