Note 24 - Fair Value of Financial Instruments - Assets and Liabilities Measured On a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Securities available for sale	$ 278,193	$ 309,516
Fair Value, Recurring [Member]
Mortgage Loans Held for Sale	251	58
Total	278,444	309,574
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Mortgage Loans Held for Sale
Total
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Mortgage Loans Held for Sale	251	58
Total	271,857	301,190
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Mortgage Loans Held for Sale
Total	6,587	8,384
US Government Agencies Debt Securities [Member]
Securities available for sale	15,937	17,439
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available for sale	15,937	17,439
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	15,937	17,439
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale
Corporate Debt Securities [Member]
Securities available for sale	23,714	12,692
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available for sale	23,714	12,692
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	23,714	12,692
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale
Collateralized Mortgage Backed Securities [Member]
Securities available for sale	139,459	165,618
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member]
Securities available for sale	139,459	165,618
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	139,459	165,618
Collateralized Mortgage Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale	99,083	113,767
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available for sale	99,083	113,767
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available for sale
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale	92,496	105,383
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available for sale	$ 6,587	$ 8,384