Note 10 - Share-based Compensation - Nonvested Share Activity (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
| Granted (in shares) | 20,153 | ||
| Granted (in dollars per share) | $ 8.30 | $ 11.53 | $ 11.30 |
| Canceled (forfeited/expired) (in shares) | (32,756) | ||
| Non-Vested [Member] | |||
| Nonvested June 30, 2016 (in shares) | 353,702 | ||
| Nonvested June 30, 2016 (in dollars per share) | $ 11.28 | ||
| Nonvested at June 30, 2017 (in dollars per share) | $ 11.18 | $ 11.28 | |
| Granted (in shares) | 20,153 | ||
| Granted (in dollars per share) | $ 8.30 | ||
| Vested (in shares) | (71,904) | ||
| Vested (in dollars per share) | $ 10.67 | ||
| Canceled (forfeited/expired) (in shares) | (16,667) | ||
| Canceled (forfeited/expired) (in dollars per share) | $ 11.25 | ||
| Nonvested at June 30, 2017 (in shares) | 285,284 | 353,702 | |