Note 8 - Goodwill and Intangibles - Core Deposit Intangible Assets (Details) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Core Deposits [Member] | ||
| Gross carrying amount | $ 3,315 | $ 3,315 |
| Less: accumulated amortization | (1,101) | (527) |
| Net carrying amount | 2,214 | 2,788 |
| Net carrying amount | $ 2,214 | $ 2,788 |