Note 15 - Equity Incentive Plans - Stock Compensation Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Total stock-based compensation expense | $ 2,373 | $ 5,722 |
| Cost of Sales [Member] | ||
| Total stock-based compensation expense | 2 | 28 |
| Research and Development Expense [Member] | ||
| Total stock-based compensation expense | 6 | 30 |
| Selling and Marketing Expense [Member] | ||
| Total stock-based compensation expense | 0 | 23 |
| General and Administrative Expense [Member] | ||
| Total stock-based compensation expense | $ 2,365 | $ 5,641 |