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Note 4 - Loans Receivable and Credit Disclosures - Allowance for Loan Losses Impairment Analysis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Ending balance: Individually evaluated for impairment	$ 1,392	$ 1,819
Ending balance: Collectively evaluated for impairment	15,229	15,396
Ending balance	16,621	17,215
Construction Real Estate [Member]
Ending balance: Individually evaluated for impairment	0	0
Ending balance: Collectively evaluated for impairment	675	725
Ending balance	675	725
Family Residential Real Estate 1-4 [Member]
Ending balance: Individually evaluated for impairment	40	150
Ending balance: Collectively evaluated for impairment	2,712	2,431
Ending balance	2,752	2,581
Commercial Real Estate Portfolio Segment [Member]
Ending balance: Individually evaluated for impairment	1,139	1,486
Ending balance: Collectively evaluated for impairment	7,267	7,444
Ending balance	8,406	8,930
Agriculture Real Estate [Member]
Ending balance: Individually evaluated for impairment	0	0
Ending balance: Collectively evaluated for impairment	1,584	1,595
Ending balance	1,584	1,595
Commercial Portfolio Segment [Member]
Ending balance: Individually evaluated for impairment	60	115
Ending balance: Collectively evaluated for impairment	1,110	1,338
Ending balance	1,170	1,453
Agriculture [Member]
Ending balance: Individually evaluated for impairment	132	40
Ending balance: Collectively evaluated for impairment	1,704	1,656
Ending balance	1,836	1,696
Consumer and Other [Member]
Ending balance: Individually evaluated for impairment	21	28
Ending balance: Collectively evaluated for impairment	177	207
Ending balance	$ 198	$ 235

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

+ References

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- Definition

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+ References

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