Note 7 - Loans and Related Allowance for Credit Losses - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 31, 2025		Mar. 31, 2024	Dec. 31, 2024
Beginning balance	$ 22,447	[1],[2]	$ 21,693	$ 21,693
Charge-offs	(54)		(7)
Recoveries	263		75
Provision	(255)		(692)
Ending balance	22,401	[1],[2]	21,069	22,447	[1],[2]
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member]
Beginning balance	2,100		2,668	2,668
Charge-offs	0		0	(45)
Recoveries	13		11
Provision	175		(619)
Ending balance	2,288		2,060	2,100
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member]
Beginning balance	8,364		4,480	4,480
Charge-offs	0		0	(1,341)
Recoveries	7		0
Provision	(3,273)		3,288
Ending balance	5,098		7,768	8,364
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Beginning balance	1,310		1,796	1,796
Charge-offs	0		0	0
Recoveries	0		0
Provision	(142)		(592)
Ending balance	1,168		1,204	1,310
Residential Portfolio Segment [Member]
Beginning balance	5,236		5,450	5,450
Charge-offs	(1)		0	0
Recoveries	36		0
Provision	379		(676)
Ending balance	5,650		4,774	5,236
Commercial And Industrial [Member]
Beginning balance	2,427		4,377	4,377
Charge-offs	(5)		0	(215)
Recoveries	169		8
Provision	380		(2,347)
Ending balance	2,971		2,038	2,427
Home Equity Lines of Credit [Member]
Beginning balance	897		750	750
Charge-offs	(4)		(7)	(7)
Recoveries	8		0
Provision	19		42
Ending balance	920		785	897
Construction and Other [Member]
Beginning balance	2,052		1,990	1,990
Charge-offs	0		0	0
Recoveries	0		0
Provision	2,181		383
Ending balance	4,233		2,373	2,052
Consumer Portfolio Segment [Member]
Beginning balance	61		182	182
Charge-offs	(44)		0	(38)
Recoveries	30		56
Provision	26		(171)
Ending balance	$ 73		$ 67	$ 61

[1] Accrued interest of $5.5 million and $5.5 million at March 31, 2025 and December 31, 2024, respectively, is excluded from amortized cost and presented in "accrued interest receivable and other assets" on the Consolidated Balance Sheets.

[2] Unearned income, including net deferred loan fees and costs and unamortized premiums and discounts, totaled $7.7 million and $8.2 million at March 31, 2025 and December 31, 2024, respectively.