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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Individually evaluated for impairment	$ 666		$ 666		$ 740
Collectively evaluated for impairment	13,866		13,866		13,602
Less: allowance for loan and lease losses	14,532	$ 14,234	14,532	$ 14,234	14,342
Beginning balance	14,550	14,200	14,342	13,459
Charge-offs	(150)	(50)	(251)	(442)
Recoveries	132	84	441	317
Provision	0	0	0	900
Ending balance	14,532	14,234	14,532	14,234
Commercial Real Estate Portfolio Segment [Member] \| Owner Occupied Loan [Member]
Individually evaluated for impairment	36		36		10
Collectively evaluated for impairment	1,848		1,848		1,826
Less: allowance for loan and lease losses	1,884	1,552	1,884	1,552	1,836
Beginning balance	1,803	1,525	1,836	1,342
Charge-offs	0	0	0	0
Recoveries	1	1	4	44
Provision	80	26	44	166
Ending balance	1,884	1,552	1,884	1,552
Commercial Real Estate Portfolio Segment [Member] \| Non-owner occupied Loan [Member]
Individually evaluated for impairment	310		310		655
Collectively evaluated for impairment	5,388		5,388		6,776
Less: allowance for loan and lease losses	5,698	7,700	5,698	7,700	7,431
Beginning balance	7,347	7,624	7,431	6,817
Charge-offs	(150)	(50)	(150)	(313)
Recoveries	0	0	0	0
Provision	(1,499)	126	(1,583)	1,196
Ending balance	5,698	7,700	5,698	7,700
Commercial Real Estate Portfolio Segment [Member] \| Multifamily Loan [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	623		623		454
Less: allowance for loan and lease losses	623	398	623	398	454
Beginning balance	416	449	454	461
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	207	(51)	169	(63)
Ending balance	623	398	623	398
Residential Portfolio Segment [Member]
Individually evaluated for impairment	13		13		17
Collectively evaluated for impairment	2,236		2,236		1,723
Less: allowance for loan and lease losses	2,249	1,675	2,249	1,675	1,740
Beginning balance	1,853	1,792	1,740	1,683
Charge-offs	0	0	0	(27)
Recoveries	34	1	61	4
Provision	362	(118)	448	15
Ending balance	2,249	1,675	2,249	1,675
Commercial And Industrial [Member]
Individually evaluated for impairment	306		306		42
Collectively evaluated for impairment	1,426		1,426		840
Less: allowance for loan and lease losses	1,732	1,159	1,732	1,159	882
Beginning balance	1,213	1,123	882	1,353
Charge-offs	0	0	(30)	0
Recoveries	61	19	269	70
Provision	458	17	611	(264)
Ending balance	1,732	1,159	1,732	1,159
Home Equity Lines of Credit [Member]
Individually evaluated for impairment	1		1		16
Collectively evaluated for impairment	1,892		1,892		1,436
Less: allowance for loan and lease losses	1,893	1,328	1,893	1,328	1,452
Beginning balance	1,495	1,261	1,452	1,405
Charge-offs	0	0	(25)	0
Recoveries	0	3	0	55
Provision	398	64	466	(132)
Ending balance	1,893	1,328	1,893	1,328
Construction and Other [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	429		429		533
Less: allowance for loan and lease losses	429	391	429	391	533
Beginning balance	399	408	533	378
Charge-offs	0	0	0	0
Recoveries	0	18	0	46
Provision	30	(35)	(104)	(33)
Ending balance	429	391	429	391
Consumer Portfolio Segment [Member]
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	24		24		14
Less: allowance for loan and lease losses	24	31	24	31	$ 14
Beginning balance	24	18	14	20
Charge-offs	0	0	(46)	(102)
Recoveries	36	42	107	98
Provision	(36)	(29)	(51)	15
Ending balance	$ 24	$ 31	$ 24	$ 31

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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