Note 11 - Income Taxes - Deferred Tax Assets Expiration With Respect to Net Operating Losses (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Jun. 30, 2018
USD ($)
| |
| Domestic Tax Authority [Member] | |
| Deferred Income Tax Assets | $ 1,340 |
| Net Operating Loss Carryforwards | 23,831 |
| Foreign Tax Authority [Member] | |
| Deferred Income Tax Assets | 2,619 |
| Net Operating Loss Carryforwards | $ 7,745 |