Note 3 - Stock Based Compensation - Summary of the Award Activity of the Stock Option Plans (Details) |
3 Months Ended |
|---|---|
|
Sep. 30, 2016
$ / shares
shares
| |
| Shares outstanding (in shares) | shares | 275,169 |
| Weighted-average exercise price, outstanding (in dollars per share) | $ / shares | $ 9.30 |
| Granted (in shares) | shares | |
| Granted (in dollars per share) | $ / shares | |
| Shares outstanding (in shares) | shares | 275,169 |
| Weighted-average exercise price, outstanding (in dollars per share) | $ / shares | $ 9.30 |
| Exercisable at September 30, 2016 (in shares) | shares | 275,169 |
| Exercisable at September 30, 2016 (in dollars per share) | $ / shares | $ 9.30 |