Note 12 - Income Taxes - Significant Components on the Provision for Income Taxes (Details) - USD ($) $ 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 |
|
| Current tax provision: | |||||||||||
| Federal | $ 2,651 | $ 445 | $ 655 | ||||||||
| State | 421 | 211 | 195 | ||||||||
| Total current tax provision | 3,072 | 656 | 850 | ||||||||
| Deferred tax provision: | |||||||||||
| Federal | 5,906 | 5,755 | 4,646 | ||||||||
| State | 643 | 1,731 | 562 | ||||||||
| Total deferred tax provision | 6,549 | 7,486 | 5,208 | ||||||||
| Net provision for income taxes | $ 1,510 | $ 3,191 | $ 3,046 | $ 1,874 | $ 1,952 | $ 2,092 | $ 2,273 | $ 1,825 | $ 9,621 | $ 8,142 | $ 6,058 |