Note 15 - Earnings Per Share (Details Textual) - shares |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Stock Options And Restricted Stock [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 403,106 | 231,717 | 195,318 |
| Performance Shares [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 199,107 | 187,882 | 210,836 |