Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	2015			2014
Common stock equivalents of convertible debentures		8,088,235			--
Warrants – initial close		12,033,068	(1)		--
Warrants – second close		21,654,412	(2)		--
Warrants – other		5,052,400			5,052,400
Stock options		2,936,750			2,394,035
Restricted stock units		1,197,072			623,009
Total		50,961,937			8,069,444