Note 11 - Minimum Regulatory Capital Requirement (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

December 31, 2022	Actual					Minimum Capital Requirement(1)					Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total Capital (to Risk Weighted Assets)	$	191,883		17.57	%	$	114,671		10.50	%	$	109,210		10.00	%
Tier 1 Capital (to Risk Weighted Assets)	$	183,623		16.81	%	$	92,829		8.50	%	$	87,368		8.00	%
Common Equity Tier 1 Capital (to Risk Weighted Assets)	$	183,623		16.81	%	$	76,447		7.00	%	$	70,987		6.50	%
Tier 1 Capital (to Average Assets)	$	183,623		10.50	%	$	69,925		4.00	%	$	87,406		5.00	%

December 31, 2021	Actual					Minimum Capital Requirement(1)					Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
	Amount		Ratio			Amount		Ratio			Amount		Ratio
Total Capital (to Risk Weighted Assets)	$	192,907		19.50	%	$	103,898		10.50	%	$	98,950		10.00	%
Tier 1 Capital (to Risk Weighted Assets)	$	185,187		18.72	%	$	84,108		8.50	%	$	79,160		8.00	%
Common Equity Tier 1 Capital (to Risk Weighted Assets)	$	185,187		18.72	%	$	69,265		7.00	%	$	64,318		6.50	%
Tier 1 Capital (to Average Assets)	$	185,187		11.16	%	$	66,348		4.00	%	$	82,935		5.00	%