Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2017

Notes Tables

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

	2017		2016
Vested Series A warrants		404,412		404,412
Unvested Series A warrants (1)		698,529		698,529
Warrants – other		3,725,782		3,725,782
Stock options		420,185		270,016
Restricted stock units		9,163		161,170
Total		5,258,071		5,259,909