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Note 17 - Regulatory Capital and Oversight (Tables)

12 Months Ended

Dec. 31, 2022

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, 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

December 31, 2021
Common equity Tier 1 capital		$	97,710				13.18	%		$	33,368				4.50	%		$	64,342				8.68	%		$	48,199				6.50	%
Tier 1 leverage			97,710				9.47				41,283				4.00				56,427				5.47				51,603				5.00
Tier 1 risk-based capital			97,710				13.18				44,491				6.00				53,219				7.18				59,322				8.00
Total risk-based capital			106,979				14.43				59,322				8.00				47,657				6.43				74,152				10.00