Note 13 - Income Taxes - Deferred Tax Assets Expiration With Respect to Net Operating Losses (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Jun. 30, 2020
USD ($)
| |
| Domestic Tax Authority [Member] | |
| Various U.S. state net operating losses, expiring between 2025 and 2040 | $ 1,383 |
| Net Operating Loss Carryforwards | 25,501 |
| Foreign Tax Authority [Member] | |
| Various U.S. state net operating losses, expiring between 2025 and 2040 | 619 |
| Net Operating Loss Carryforwards | $ 2,335 |