Note 4 - Loans - Impaired Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Recorded investment with no related allowance recorded	$ 17,111	$ 6,965
Unpaid principal balance with no related allowance recorded	18,746	8,564
Recorded investment with related allowance recorded	4,104	4,047
Unpaid principal balance with related allowance recorded	4,283	4,209
Related allowance	1,366	1,237
Recorded investment	21,215	11,012
Unpaid principle balance	23,029	12,773
Commercial Portfolio Segment [Member]
Recorded investment with no related allowance recorded	47	51
Unpaid principal balance with no related allowance recorded	65	69
Recorded investment with related allowance recorded	2,158	2,132
Unpaid principal balance with related allowance recorded	2,299	2,256
Related allowance	923	748
Recorded investment	2,205	2,183
Unpaid principle balance	2,364	2,325
Commercial Real Estate Portfolio Segment [Member]
Related allowance	169	209
Recorded investment	11,671	1,343
Unpaid principle balance	11,671	1,343
Commercial Real Estate Portfolio Segment [Member] \| Commercial Non-owner Occupied [Member]
Recorded investment with no related allowance recorded	10,878	548
Unpaid principal balance with no related allowance recorded	10,878	548
Recorded investment with related allowance recorded	793	795
Unpaid principal balance with related allowance recorded	793	795
Related allowance	169	209
Residential Portfolio Segment [Member]
Related allowance	267	273
Recorded investment	7,316	7,463
Unpaid principle balance	8,971	9,082
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Individual Tax Identification Number Loan [Member]
Recorded investment with no related allowance recorded	5,962	6,138
Unpaid principal balance with no related allowance recorded	7,534	7,676
Recorded investment with related allowance recorded	772	734
Unpaid principal balance with related allowance recorded	810	772
Related allowance	88	91
Residential Portfolio Segment [Member] \| Real Estate Loan [Member] \| Mortgage Receivable [Member]
Recorded investment with no related allowance recorded	182	185
Unpaid principal balance with no related allowance recorded	221	223
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Recorded investment with no related allowance recorded	42	43
Unpaid principal balance with no related allowance recorded	48	48
Recorded investment with related allowance recorded	358	363
Unpaid principal balance with related allowance recorded	358	363
Related allowance	179	182
Consumer Portfolio Segment [Member]
Recorded investment with related allowance recorded	23	23
Unpaid principal balance with related allowance recorded	23	23
Related allowance	7	7
Recorded investment	23	23
Unpaid principle balance	$ 23	$ 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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