Note 11 - Income Taxes (Details) - Table of Estimated Deferred Tax Assets and Liabilities - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Table of Estimated Deferred Tax Assets and Liabilities [Abstract]
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	$ 0	$ 0