Note 18 - Stock-Based Compensation - Equity Compensation Expenses Related to Performance-based Shares (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Stock-based compensation expense | $ 1,207 | $ 1,527 | $ 1,450 |
| Performance Shares [Member] | |||
| Stock-based compensation expense | 599 | 805 | 872 |
| Performance Shares [Member] | Granted Within the Fiscal Year Ended June 30, 2022 [Member] | |||
| Stock-based compensation expense | 0 | 0 | 384 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2023 [Member] | |||
| Stock-based compensation expense | 0 | 317 | 321 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2024 [Member] | |||
| Stock-based compensation expense | 191 | 196 | 167 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2025 [Member] | |||
| Stock-based compensation expense | 247 | 292 | 0 |
| Performance Shares [Member] | Granted Within The Fiscal Year Ended June 30, 2026 [Member] | |||
| Stock-based compensation expense | $ 161 | $ 0 | $ 0 |