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Note 5 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Loans and Allowance for Loan Losses by Evaluation Method (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for loan losses, Individually evaluated for impairment	$ 0	$ 75
Allowance for loan losses, Collectively evaluated for impairment	7,674	8,406
Allowance for loan losses	7,674	8,481	$ 6,863
Individually evaluated for impairment	5,878	4,903
Non-impaired gross loans	797,851	765,124
Total	803,729	770,027
Real Estate Construction Portfolio Segment[Member]
Allowance for loan losses, Collectively evaluated for impairment	422	503
Allowance for loan losses	422	503	400
Individually evaluated for impairment		0
Non-impaired gross loans	48,841	42,266
Total	48,841	42,266
Consumer Real Estate Portfolio Segment [Member]
Allowance for loan losses, Individually evaluated for impairment	0	2
Allowance for loan losses, Collectively evaluated for impairment	1,930	2,163
Allowance for loan losses	1,930	2,165	1,895
Individually evaluated for impairment	191	194
Non-impaired gross loans	208,786	181,588
Total	208,977	181,782
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses, Collectively evaluated for impairment	3,121	3,853
Allowance for loan losses	3,121	3,853	2,559
Individually evaluated for impairment	5,386	3,856
Non-impaired gross loans	400,336	389,259
Total	405,722	393,115
Commercial Non Real Estate Segment [Member]
Allowance for loan losses, Individually evaluated for impairment	0	73
Allowance for loan losses, Collectively evaluated for impairment	1,099	597
Allowance for loan losses	1,099	670	555
Individually evaluated for impairment	301	851
Non-impaired gross loans	59,963	77,920
Total	60,264	78,771
Public Sector and IDA Portfolio Segment[Member]
Allowance for loan losses, Collectively evaluated for impairment	297	339
Allowance for loan losses	297	339	478
Individually evaluated for impairment		0
Non-impaired gross loans	47,899	40,983
Total	47,899	40,983
Consumer Non Real Estate Portfolio Segment [Member]
Allowance for loan losses, Collectively evaluated for impairment	444	555
Allowance for loan losses	444	555	650
Individually evaluated for impairment	0	2
Non-impaired gross loans	32,026	33,108
Total	32,026	33,110
Unallocated Financing Receivables [Member]
Allowance for loan losses, Collectively evaluated for impairment	361	396
Allowance for loan losses	361	396	$ 326
Individually evaluated for impairment		0
Non-impaired gross loans	0	0
Total	$ 0	$ 0

X

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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