Note 11 - Subordinated Notes (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 06, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2012 |
|
| Debt Instrument, Face Amount | $ 15,000 | ||||
| Proceeds from Issuance of Subordinated Long-term Debt | $ 29,500 | $ 29,456 | |||
| Subordinated Debt [Member] | |||||
| Debt Instrument, Face Amount | $ 30,000 | ||||
| Debt Instrument, Redemption Price, Percentage | 100.00% | ||||
| Subordinated Debt [Member] | Interest Rate From Date of Issuance Until August 14, 2020 [Member] | |||||
| Debt Instrument, Interest Rate, Stated Percentage | 4.75% | ||||
| Subordinated Debt [Member] | Interest Rate From Date of Issuance Until August 14, 2020 [Member] | London Interbank Offered Rate (LIBOR) [Member] | |||||
| Debt Instrument, Basis Spread on Variable Rate | 3.068% | ||||