Note 10 - Income Taxes - Components of Income Tax (Benefit) Expense (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 | $ 134 | $ (75) | $ 326 | ||||||||
| Deferred | 1,968 | 2,297 | 3,799 | ||||||||
| Change in valuation allowance | (355) | (29,981) | (3,799) | ||||||||
| Income tax expense (benefit) | $ 136 | $ 724 | $ 661 | $ 226 | $ (27,719) | $ 22 | $ (62) | $ 1,747 | $ (27,759) | $ 326 | |