Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares shares in Thousands |
Dec. 31, 2021 |
Jun. 30, 2021 |
|---|---|---|
| Preferred stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized (in shares) | 1,055 | 1,055 |
| Preferred stock, shares issued (in shares) | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized (in shares) | 150,000 | 150,000 |
| Common stock, shares issues (in shares) | 49,336 | 49,240 |
| Common stock, shares outstanding (in shares) | 25,301 | 25,237 |
| Treasury stock, shares (in shares) | 24,035 | 24,003 |