Note 9 - Income Taxes (Tables)

12 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

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

	2013			2012
Expected income tax benefit at statutory rate	$	(2,805,000	)	$	(2,198,000	)
State taxes, net of federal benefit		(252,000	)		(198,000	)
Permanent differences and other		(28,000	)		12,000
Expiration of NOLs		-			280,000
Change in valuation allowance		3,085,000			2,104,000
Income tax benefit	$	-		$	-

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

	2013			2012
NOLs - noncurrent	$	17,479,000		$	16,265,000
Stock-based compensation - current		4,684,000			3,102,000
Deferred compensation - noncurrent		683,000			395,000
		22,846,000			19,762,000
Valuation allowance		(22,846,000	)		(19,762,000	)
Net deferred tax assets	$	-		$	-