Note 17 - Share-based Compensation - Equity-based Compensation Expenses Related to Performance-based Shares (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Total expense | $ 1,300 | $ 300 | $ 100 |
| Performance Shares [Member] | |||
| Total expense | 870 | 160 | (131) |
| Granted Within the Fiscal Year Ended June 30, 2016 [Member] | Performance Shares [Member] | |||
| Total expense | 0 | 0 | 5 |
| Granted Within the Fiscal Year Ended June 30, 2017 [Member] | Performance Shares [Member] | |||
| Total expense | 0 | 0 | 0 |
| Granted Within the Fiscal Year Ended June 30, 2018 [Member] | Performance Shares [Member] | |||
| Total expense | 0 | 0 | (457) |
| Granted Within the Fiscal Year Ended June 30, 2019 [Member] | Performance Shares [Member] | |||
| Total expense | 335 | 101 | 321 |
| Granted Within the Fiscal Year Ended June 30, 2020 [Member] | Performance Shares [Member] | |||
| Total expense | 234 | 59 | 0 |
| Granted Within the Fiscal Year Ended June 30, 2021 [Member] | Performance Shares [Member] | |||
| Total expense | $ 301 | $ 0 | $ 0 |