Note 5 - Loans - Impaired Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Recorded investment with no related allowance recorded	$ 9,111	$ 6,965
Unpaid principal balance with no related allowance recorded	11,053	8,564
Recorded investment with related allowance recorded	1,288	4,047
Unpaid principal balance with related allowance recorded	1,289	4,209
Related allowance	324	1,237
Recorded investment	10,399	11,012
Unpaid principle balance	12,342	12,773
Commercial Portfolio Segment [Member]
Recorded investment with no related allowance recorded	94	51
Unpaid principal balance with no related allowance recorded	251	69
Recorded investment with related allowance recorded	562	2,132
Unpaid principal balance with related allowance recorded	563	2,256
Related allowance	159	748
Recorded investment	656	2,183
Unpaid principle balance	814	2,325
Commercial Real Estate Portfolio Segment [Member]
Related allowance		209
Recorded investment	3,103	1,343
Unpaid principle balance	3,103	1,343
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Recorded investment with no related allowance recorded	3,103	548
Unpaid principal balance with no related allowance recorded	3,103	548
Recorded investment with related allowance recorded		795
Unpaid principal balance with related allowance recorded		795
Related allowance		209
Residential Portfolio Segment [Member]
Related allowance	154	273
Recorded investment	6,600	7,463
Unpaid principle balance	8,385	9,082
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Recorded investment with no related allowance recorded	5,723	6,138
Unpaid principal balance with no related allowance recorded	7,386	7,676
Recorded investment with related allowance recorded	455	734
Unpaid principal balance with related allowance recorded	455	772
Related allowance	38	91
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Recorded investment with no related allowance recorded	191	185
Unpaid principal balance with no related allowance recorded	313	223
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Recorded investment with no related allowance recorded		43
Unpaid principal balance with no related allowance recorded		48
Recorded investment with related allowance recorded	231	363
Unpaid principal balance with related allowance recorded	231	363
Related allowance	116	182
Consumer Portfolio Segment [Member]
Recorded investment with related allowance recorded	40	23
Unpaid principal balance with related allowance recorded	40	23
Related allowance	11	7
Recorded investment	40	23
Unpaid principle balance	$ 40	$ 23

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
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