Note 11 - Income Taxes - Deferred Tax Assets Expiration With Respect to Net Operating Losses (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Jun. 30, 2017
USD ($)
| |
| Domestic Tax Authority [Member] | |
| Net Operating Loss Carryforwards | $ 23,760 |
| Deferred Income Tax Assets | 1,110 |
| Foreign Tax Authority [Member] | |
| Net Operating Loss Carryforwards | 7,622 |
| Deferred Income Tax Assets | $ 2,577 |