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Note 11 - Minimum Regulatory Capital Requirement (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		Actual								Minimum Capital Requirement(1)								Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
		Amount				Ratio				Amount				Ratio				Amount				Ratio
December 31, 2021
Total capital (to risk weighted assets)		$	192,907				19.495	%		$	103,898				10.500	%		$	98,950				10.000	%
Tier 1 capital (to risk weighted assets)		$	185,187				18.715	%		$	84,108				8.500	%		$	79,160				8.000	%
Common Equity Tier 1 capital (to risk weighted assets)		$	185,187				18.715	%		$	69,265				7.000	%		$	64,318				6.500	%
Tier 1 capital (to average assets)		$	185,187				11.165	%		$	66,348				4.000	%		$	82,935				5.000	%

		Actual								Minimum Capital Requirement(1)								Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions
		Amount				Ratio				Amount				Ratio				Amount				Ratio
December 31, 2020
Total capital (to risk weighted assets)		$	185,937				19.943	%		$	97,898				10.500	%		$	93,236				10.000	%
Tier 1 capital (to risk weighted assets)		$	177,409				19.028	%		$	79,251				8.500	%		$	74,589				8.000	%
Common Equity Tier 1 capital (to risk weighted assets)		$	177,409				19.028	%		$	65,265				7.000	%		$	60,604				6.500	%
Tier 1 capital (to average assets)		$	177,409				12.105	%		$	58,624				4.000	%		$	73,281				5.000	%

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- Definition

Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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