Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2016

Notes Tables

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

	2016			2015
Common stock equivalents of convertible debentures		--			404,412
Vested Series A warrants		404,410			404,410
Unvested Series A warrants		698,529	(1)		698,529	(1)
Vested Series B warrants		--			197,242
Unvested Series B warrants		--			384,191
Warrants – other		3,725,782			252,620
Stock options		321,868			146,838
Restricted stock units		65,148			59,854
Total		5,215,737			2,548,096