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Note 8 - Loans and Related Allowance for Loan and Lease Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Individually evaluated for impairment	$ 959		$ 959		$ 490
Collectively evaluated for impairment	13,275		13,275		12,969
Less: allowance for loan and lease losses	14,234	$ 11,359	14,234	$ 11,359	13,459
Beginning balance	14,200	10,210	13,459	6,768
Charge-offs	(50)	(3,043)	(442)	(3,758)
Recoveries	84	192	317	609
Provision	0	4,000	900	7,740
Ending balance	14,234	11,359	14,234	11,359
Non-owner occupied Loan [Member]
Provision				1,300
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member]
Individually evaluated for impairment	5		5		10
Collectively evaluated for impairment	1,547		1,547		1,332
Less: allowance for loan and lease losses	1,552	1,103	1,552	1,103	1,342
Beginning balance	1,525	1,038	1,342	801
Charge-offs	0	0	0	(50)
Recoveries	1	1	44	15
Provision	26	64	166	337
Ending balance	1,552	1,103	1,552	1,103
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member]
Individually evaluated for impairment	739		739		371
Collectively evaluated for impairment	6,961		6,961		6,446
Less: allowance for loan and lease losses	7,700	5,405	7,700	5,405	6,817
Beginning balance	7,624	5,159	6,817	3,382
Charge-offs	(50)	(3,021)	(313)	(3,022)
Recoveries	0	0	0	73
Provision	126	3,267	1,196	4,972
Ending balance	7,700	5,405	7,700	5,405
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	398		398		461
Less: allowance for loan and lease losses	398	346	398	346	461
Beginning balance	449	291	461	340
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(51)	55	(63)	6
Ending balance	398	346	398	346
Residential Portfolio Segment [Member]
Individually evaluated for impairment	17		17		20
Collectively evaluated for impairment	1,658		1,658		1,663
Less: allowance for loan and lease losses	1,675	1,371	1,675	1,371	1,683
Beginning balance	1,792	1,167	1,683	726
Charge-offs	0	0	(27)	(51)
Recoveries	1	0	4	30
Provision	(118)	204	15	666
Ending balance	1,675	1,371	1,675	1,371
Commercial And Industrial [Member]
Individually evaluated for impairment	102		102		48
Collectively evaluated for impairment	1,057		1,057		1,305
Less: allowance for loan and lease losses	1,159	1,503	1,159	1,503	1,353
Beginning balance	1,123	1,105	1,353	456
Charge-offs	0	(16)	0	(185)
Recoveries	19	29	70	268
Provision	17	385	(264)	964
Ending balance	1,159	1,503	1,159	1,503
Home Equity Lines of Credit [Member]
Individually evaluated for impairment	96		96		41
Collectively evaluated for impairment	1,232		1,232		1,364
Less: allowance for loan and lease losses	1,328	1,326	1,328	1,326	1,405
Beginning balance	1,261	1,203	1,405	932
Charge-offs	0	0	0	(54)
Recoveries	3	49	55	65
Provision	64	74	(132)	383
Ending balance	1,328	1,326	1,328	1,326
Construction and Other [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	391		391		378
Less: allowance for loan and lease losses	391	293	391	293	378
Beginning balance	408	236	378	103
Charge-offs	0	0	0	0
Recoveries	18	111	46	146
Provision	(35)	(54)	(33)	44
Ending balance	391	293	391	293
Consumer Portfolio Segment [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	31		31		20
Less: allowance for loan and lease losses	31	12	31	12	$ 20
Beginning balance	18	11	20	28
Charge-offs	0	(6)	(102)	(396)
Recoveries	42	2	98	12
Provision	(29)	5	15	368
Ending balance	$ 31	$ 12	$ 31	$ 12

X

- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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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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