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Note 17 - Regulatory Capital and Oversight (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]

		Actual								Required to be Adequately Capitalized								Capital in Excess of Minimum Requirements								To Be Well Capitalized Under Prompt Corrective Action Provisions
(Dollars in thousands)		Amount				Percent of Assets⁽¹⁾				Amount				Percent of Assets⁽¹⁾				Amount				Percent of Assets⁽¹⁾				Amount				Percent of Assets⁽¹⁾
December 31, 2023
Common equity Tier 1 capital		$	104,005				11.54	%		$	40,542				4.50	%		$	63,463				7.04	%		$	58,560				6.50	%
Tier 1 leverage			104,005				9.08				45,823				4.00				58,182				5.08				57,279				5.00
Tier 1 risk-based capital			104,005				11.54				54,056				6.00				49,949				5.54				72,074				8.00
Total risk-based capital			115,274				12.80				72,074				8.00				43,200				4.80				90,093				10.00

December 31, 2022
Common equity Tier 1 capital		$	100,250				11.48	%		$	39,312				4.50	%		$	60,938				6.98	%		$	56,784				6.50	%
Tier 1 leverage			100,250				9.14				43,883				4.00				56,367				5.14				54,854				5.00
Tier 1 risk-based capital			100,250				11.48				52,416				6.00				47,834				5.48				69,888				8.00
Total risk-based capital			110,527				12.65				69,888				8.00				40,639				4.65				87,360				10.00