Note 15 - Fair Values (Details) - Fair Value of Financial Instruments (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financial assets
Securities available-for-sale	$ 189,379	$ 216,640
Securities held-to-maturity	36,816
Financial liabilities
Federal Home Loan Bank advances	75,000
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and cash equivalents	46,423	58,515
Federal Home Loan Bank Stock	6,432	4,531
Fair Value, Inputs, Level 2 [Member]
Financial assets
Securities available-for-sale	189,379	216,640
Securities held-to-maturity	36,816	34,025
Financial liabilities
Deposits	767,601	746,332
Federal Home Loan Bank advances	75,000	75,000
Subordinated debenture	8,424	8,754
Derivatives	3,123	2,890
Fair Value, Inputs, Level 3 [Member]
Financial assets
Portfolio loans, net	641,568	591,315
Promissory note due from the former mortgage subsidiary		2,607
Reported Value Measurement [Member]
Financial assets
Cash and cash equivalents	46,423	58,515
Securities available-for-sale	189,379	216,640
Securities held-to-maturity	36,888	36,696
Portfolio loans, net	639,479	584,126
Promissory note due from the former mortgage subsidiary		2,607
Federal Home Loan Bank Stock	6,432	4,531
Financial liabilities
Deposits	767,520	746,293
Federal Home Loan Bank advances	75,000	75,000
Subordinated debenture	15,465	15,465
Derivatives	3,123	2,890
Estimate of Fair Value Measurement [Member]
Financial assets
Cash and cash equivalents	46,423	58,515
Securities available-for-sale	189,379	216,640
Securities held-to-maturity	36,816	34,025
Portfolio loans, net	641,568	591,315
Promissory note due from the former mortgage subsidiary		2,607
Federal Home Loan Bank Stock	6,432	4,531
Financial liabilities
Deposits	767,601	746,332
Federal Home Loan Bank advances	75,000	75,000
Subordinated debenture	8,424	8,754
Derivatives	$ 3,123	$ 2,890