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Note 3 - Allowance for Loan Losses, Nonperforming Assets and Impaired Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Balance			$ 8,481	$ 6,863	$ 6,863
Charge-offs			(586)	(540)	(720)
Recoveries			128	154	347
Provision for loan losses	$ 4	$ 1,352	54	1,831	1,991
Balance	8,077	8,308	8,077	8,308	8,481
Real Estate Construction Portfolio Segment[Member]
Balance			503	400	400
Provision for loan losses			(18)	(15)	103
Balance	485	385	485	385	503
Consumer Real Estate Portfolio Segment [Member]
Balance			2,165	1,895	1,895
Charge-offs			(13)	(62)	(85)
Recoveries			0		18
Provision for loan losses			(144)	417	337
Balance	2,008	2,266	2,008	2,266	2,165
Commercial Real Estate Portfolio Segment [Member]
Balance			3,853	2,559	2,559
Charge-offs			0	(15)
Recoveries			25	24	145
Provision for loan losses			(427)	808	1,164
Balance	3,451	3,376	3,451	3,376	3,853
Commercial Non Real Estate Segment [Member]
Balance			670	555	555
Charge-offs			(485)	(347)	(372)
Recoveries			27	1	9
Provision for loan losses			655	457	478
Balance	867	666	867	666	670
Public Sector and IDA Portfolio Segment[Member]
Balance			339	478	478
Provision for loan losses			37	85	(139)
Balance	376	563	376	563	339
Consumer Non Real Estate Portfolio Segment [Member]
Balance			555	650	650
Charge-offs			(88)	(116)	(248)
Recoveries			76	113	175
Provision for loan losses			(26)	10	(22)
Balance	517	657	517	657	555
Unallocated Financing Receivables [Member]
Balance			396	326	326
Provision for loan losses			(23)	69	70
Balance	$ 373	$ 395	$ 373	$ 395	$ 396

X

- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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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.

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