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Note 5 - Loans and Allowance for Loan Losses - Individually Impaired Loan (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Principal Balance	$ 18,159	$ 13,234
Recorded Investment	17,976	13,218
Related Allowance	436	0
Construction And Land Development Loans [Member]
Principal Balance, With no related allowance recorded	761	264
Recorded Investment, With no related allowance recorded	761	264
Commercial and Industrial Sector [Member]
Principal Balance, With no related allowance recorded	1,764
Recorded Investment, With no related allowance recorded	1,713
Principal Balance, With related allowance recorded	430
Recorded Investment, With related allowance recorded	412
Related Allowance, with related allowance recorded	430
Commercial Real Estate [Member]
Principal Balance, With no related allowance recorded	2,611	2,198
Recorded Investment, With no related allowance recorded	2,611	2,197
Residential Mortgage [Member]
Principal Balance, With no related allowance recorded	2,846	1,349
Recorded Investment, With no related allowance recorded	2,747	1,334
Small Business Administration Loans [Member] | Commercial Portfolio Segment [Member]
Principal Balance, With no related allowance recorded	9,695	9,423
Recorded Investment, With no related allowance recorded	9,680	9,423
Recorded Investment, With related allowance recorded		0
Related Allowance, with related allowance recorded		$ 0
Other Financing Receivables [Member]
Principal Balance, With no related allowance recorded	15
Recorded Investment, With no related allowance recorded	15
Single Family Residential Mortgages Loans [Member]
Principal Balance, With related allowance recorded	37
Recorded Investment, With related allowance recorded	37
Related Allowance, with related allowance recorded	$ 6

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- Definition

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