Note 16 - Earnings Per Share - Calculation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Net income | $ 1,524 | $ 2,017 | $ 1,625 | $ 1,143 | $ 29,209 | $ 2,337 | $ 819 | $ 3,475 | $ 6,309 | $ 35,840 | $ 13,420 |
| Basic (in shares) | 16,571,262 | 16,499,622 | 16,472,660 | ||||||||
| Plus: common share equivalents (in shares) | 1,433 | 0 | 211 | ||||||||
| Diluted weighted-average number of common shares outstanding (in shares) | 16,572,695 | 16,499,622 | 16,472,871 | ||||||||
| Basic (in dollars per share) | $ 0.09 | $ 0.12 | $ 0.10 | $ 0.07 | $ 1.77 | $ 0.14 | $ 0.05 | $ 0.21 | $ 0.38 | $ 2.17 | $ 0.81 |
| Diluted (in dollars per share) | $ 0.09 | $ 0.12 | $ 0.10 | $ 0.07 | $ 1.77 | $ 0.14 | $ 0.05 | $ 0.21 | $ 0.38 | $ 2.17 | $ 0.81 |