Note 13 - Stock Compensation Plans/Subsequent Event - Options Outstanding (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2016
$ / shares
shares
| |
| Lower range of exercise price (in dollars per share) | $ 10.81 |
| Upper range of exercise price (in dollars per share) | $ 16.90 |
| Options Outstanding, Number (in shares) | shares | 37,700 |
| Options Outstanding, Weighted average remaining contractual life (Year) | 1 year 208 days |
| Options Outstanding, Weighted average exercise price (in dollars per share) | $ 13.15 |
| Options Exercisable, Number (in shares) | shares | 37,700 |
| Options Exercisable, Weighted average exercise price (in dollars per share) | $ 13.15 |