Note 15 - Earnings Per Share (Details Textual) - shares |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Share-Based Payment Arrangement, Option [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 65,545 | 46,827 | 403,106 |
| Performance Shares [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 89,969 | 251,867 | 199,107 |