Note 18 - Stock-Based Compensation - Equity Compensation Expenses Related to Performance-based Shares (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Stock-based compensation expense | $ 1,527 | $ 1,450 | $ 1,288 |
| Performance Shares [Member] | |||
| Stock-based compensation expense | 805 | 872 | 833 |
| Performance Shares [Member] | Granted Within the Fiscal Year Ended June 30, 2021 [Member] | |||
| Stock-based compensation expense | 0 | 384 | 317 |
| Performance Shares [Member] | Granted Within the Fiscal Year Ended June 30, 2022 [Member] | |||
| Stock-based compensation expense | 317 | 321 | 280 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2023 [Member] | |||
| Stock-based compensation expense | 196 | 167 | 0 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2024 [Member] | |||
| Stock-based compensation expense | $ 292 | $ 0 | $ 0 |