Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Fair Value Measurements (Details Textual)

v3.6.0.2
Note 8 - Fair Value Measurements (Details Textual) - Warrant [Member] - USD ($)
Dec. 31, 2016
Jun. 30, 2016
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 3,000 $ 24,000
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 3,000 $ 24,000