Note 2 - Summary of Significant Accounting Policies - Estimated Useful Lives (Details) |
12 Months Ended |
---|---|
Jun. 30, 2019 | |
Equipment [Member] | Minimum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 3 years |
Equipment [Member] | Maximum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 7 years |
Office Equipment [Member] | Minimum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 2 years |
Office Equipment [Member] | Maximum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 5 years |
Furniture and Fixtures [Member] | Minimum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 2 years |
Furniture and Fixtures [Member] | Maximum [Member] | |
Property, Plant and Equipment, Useful Life (Year) | 5 years |