Note 18 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Unrecognized tax benefits, beginning of year | $ 271 | $ 347 | $ 414 |
| Balance upon acquisition/disposition | 764 | 1,674 | |
| Increase (decrease) related to prior year positions | 37 | (47) | 14 |
| Increase related to current year tax positions | 139 | 48 | 100 |
| Statute of limitations expiration | (103) | (77) | (1,855) |
| Unrecognized tax benefits, end of year | $ 1,108 | $ 271 | $ 347 |