Note 4 - Loans and ACL for Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Beginning balance	$ 79,374	$ 73,531	$ 53,898
Loans, individually evaluated for impairment	30,898	30,842
Provision for credit losses	8,800	12,471	9,682
Initial Allowance on PCD Loans			9,950
Charge-offs	(2,776)	(7,512)	(2,307)
Recoveries	1,545	884	2,308
Charge-offs	(2,776)	(7,512)	(2,307)
Ending balance	86,943	79,374	73,531
Recoveries	1,545	884	2,308
Allowance for loans, individually evaluated for impairment	3,848	3,833
Real Estate [Member]
Loans, individually evaluated for impairment	26,204	26,318
Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	4,262	4,189
Other Collateral [Member]
Loans, individually evaluated for impairment	432	335
Commercial Real Estate Portfolio Segment [Member]
Beginning balance	33,800	33,468	25,555
Loans, individually evaluated for impairment	15,246	18,005
Provision for credit losses	(9,785)	232	2,112
Initial Allowance on PCD Loans			5,629
Charge-offs	0	0	(78)
Recoveries	112	100	250
Charge-offs	0	0	(78)
Ending balance	24,127	33,800	33,468
Recoveries	112	100	250
Allowance for loans, individually evaluated for impairment	1,839	2,416
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	15,246	18,005
Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Commercial and Industrial Portfolio Segment [Member]
Beginning balance	20,854	19,380
Loans, individually evaluated for impairment	5,427	7,272
Provision for credit losses	7,354	7,189
Charge-offs	(1,303)	(5,931)
Recoveries	875	216
Charge-offs	(1,303)	(5,931)
Ending balance	27,780	20,854	19,380
Recoveries	875	216
Allowance for loans, individually evaluated for impairment	655	1,085
Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	1,089	3,083
Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	4,262	4,189
Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	76	0
Residential Real Estate Portfolio Segment [Member]
Beginning balance	13,598	10,314	7,993
Loans, individually evaluated for impairment	9,488	4,763
Provision for credit losses	6,346	3,280	1,702
Initial Allowance on PCD Loans			590
Charge-offs	(356)	(43)	(57)
Recoveries	34	47	86
Charge-offs	(356)	(43)	(57)
Ending balance	19,622	13,598	10,314
Recoveries	34	47	86
Allowance for loans, individually evaluated for impairment	1,300	314
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	9,488	4,763
Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Total Commercial and Industrial Portfolio Segment [Member]
Beginning balance		19,380	13,379
Provision for credit losses			2,410
Initial Allowance on PCD Loans			3,232
Charge-offs			(924)
Recoveries			1,283
Charge-offs			(924)
Ending balance			19,380
Recoveries			1,283
Construction and Development [Member]
Beginning balance	7,593	7,186	4,789
Loans, individually evaluated for impairment	311	0
Provision for credit losses	3,388	407	2,050
Initial Allowance on PCD Loans			419
Charge-offs	0	0	(72)
Recoveries	0	0	0
Charge-offs	0	0	(72)
Ending balance	10,981	7,593	7,186
Recoveries	0	0	0
Allowance for loans, individually evaluated for impairment	20	0
Construction and Development [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	311	0
Construction and Development [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Construction and Development [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Consumer Portfolio Segment [Member]
Beginning balance	1,407	1,158	772
Loans, individually evaluated for impairment	356	335
Provision for credit losses	1,424	628	750
Initial Allowance on PCD Loans			78
Charge-offs	(785)	(865)	(1,080)
Recoveries	485	486	638
Charge-offs	(785)	(865)	(1,080)
Ending balance	2,531	1,407	1,158
Recoveries	485	486	638
Allowance for loans, individually evaluated for impairment	34	18
Consumer Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	0	0
Consumer Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Consumer Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	356	335
Finance Leases Portfolio Segment [Member]
Beginning balance	220	201	204
Loans, individually evaluated for impairment	0	0
Provision for credit losses	150	19	(3)
Initial Allowance on PCD Loans			0
Charge-offs	0	0	0
Recoveries	0	0	0
Charge-offs	0	0	0
Ending balance	370	220	201
Recoveries	0	0	0
Allowance for loans, individually evaluated for impairment	0	0
Finance Leases Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	0	0
Finance Leases Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Finance Leases Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member]
Beginning balance	22,133	22,641	15,960
Loans, individually evaluated for impairment	11,699	15,419
Provision for credit losses	(8,217)	(599)	3,173
Initial Allowance on PCD Loans			3,508
Charge-offs	0	0	(37)
Recoveries	19	91	37
Charge-offs	0	0	(37)
Ending balance	13,935	22,133	22,641
Recoveries	19	91	37
Allowance for loans, individually evaluated for impairment	1,075	1,604
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	11,699	15,419
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Non-owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member]
Beginning balance	4,282	3,597	3,677
Loans, individually evaluated for impairment	2,974	558
Provision for credit losses	865	683	(75)
Initial Allowance on PCD Loans			0
Charge-offs	0	0	(27)
Recoveries	7	2	22
Charge-offs	0	0	(27)
Ending balance	5,154	4,282	3,597
Recoveries	7	2	22
Allowance for loans, individually evaluated for impairment	852	116
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	2,974	558
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Non-owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member]
Beginning balance	11,667	10,827	9,595
Loans, individually evaluated for impairment	3,547	2,586
Provision for credit losses	(1,568)	831	(1,061)
Initial Allowance on PCD Loans			2,121
Charge-offs	0	0	(41)
Recoveries	93	9	213
Charge-offs	0	0	(41)
Ending balance	10,192	11,667	10,827
Recoveries	93	9	213
Allowance for loans, individually evaluated for impairment	764	812
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	3,547	2,586
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Owner Occupied [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member]
Beginning balance	9,316	6,717	4,316
Loans, individually evaluated for impairment	6,514	4,205
Provision for credit losses	5,481	2,597	1,777
Initial Allowance on PCD Loans			590
Charge-offs	(356)	(43)	(30)
Recoveries	27	45	64
Charge-offs	(356)	(43)	(30)
Ending balance	14,468	9,316	6,717
Recoveries	27	45	64
Allowance for loans, individually evaluated for impairment	448	198
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	6,514	4,205
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Owner Occupied [Member] | Residential Real Estate Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Term [Member] | Commercial and Industrial Portfolio Segment [Member]
Beginning balance	14,359	12,991	8,577
Loans, individually evaluated for impairment	4,878	4,390
Provision for credit losses	7,264	3,607	2,497
Initial Allowance on PCD Loans			1,358
Charge-offs	(748)	(2,298)	(724)
Recoveries	409	59	1,283
Charge-offs	(748)	(2,298)	(724)
Ending balance	21,284	14,359	12,991
Recoveries	409	59	1,283
Allowance for loans, individually evaluated for impairment	516	377
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	740	302
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	4,062	4,088
Term [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	76	0
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member]
Beginning balance	6,495	6,389	4,802
Loans, individually evaluated for impairment	549	2,882
Provision for credit losses	90	3,582	(87)
Initial Allowance on PCD Loans			1,874
Charge-offs	(555)	(3,633)	(200)
Recoveries	466	157	0
Charge-offs	(555)	(3,633)	(200)
Ending balance	6,496	6,495	6,389
Recoveries	466	157	0
Allowance for loans, individually evaluated for impairment	139	708
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	349	2,781
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	200	101
Lines of Credit [Member] | Commercial and Industrial Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Home Equity Line of Credit [Member]
Beginning balance	1,660	1,613	1,044
Loans, individually evaluated for impairment	70	467
Provision for credit losses	(283)	59	567
Initial Allowance on PCD Loans			2
Charge-offs	(107)	(12)	0
Recoveries	7	0	0
Charge-offs	(107)	(12)	0
Ending balance	1,277	1,660	1,613
Recoveries	7	0	0
Allowance for loans, individually evaluated for impairment	0	0
Home Equity Line of Credit [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	70	467
Home Equity Line of Credit [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Home Equity Line of Credit [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	0	0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member]
Beginning balance	242	211	162
Loans, individually evaluated for impairment	0	0
Provision for credit losses	206	657	94
Initial Allowance on PCD Loans			0
Charge-offs	(225)	(661)	(96)
Recoveries	32	35	51
Charge-offs	(225)	(661)	(96)
Ending balance	255	242	211
Recoveries	32	35	$ 51
Allowance for loans, individually evaluated for impairment	0	0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Real Estate [Member]
Loans, individually evaluated for impairment	0	0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Accounts Receivable and Equipment [Member]
Loans, individually evaluated for impairment	0	0
Credit Card Receivable [Member] | Commercial Portfolio Segment [Member] | Other Collateral [Member]
Loans, individually evaluated for impairment	$ 0	$ 0