Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Note 4 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021
Loans and Leases Receivable, Gross	$ 664,682		$ 611,567
Net deferred loan fees and costs	(287)		(276)
Allowance for loan losses	(7,675)	$ (7,546)	(7,160)	$ (6,932)	$ (6,677)	$ (6,471)
Net loans	657,294		604,683
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross	103,513		87,008
Allowance for loan losses	(1,006)	(1,021)	(960)	(976)	(906)	(904)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(4,084)	(4,072)	(3,927)	(4,049)	(3,985)	(3,949)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross	16,656		15,158
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Gross	301,646		291,847
Residential Portfolio Segment [Member]
Allowance for loan losses	(1,677)	(1,676)	(1,645)	(1,490)	(1,430)	(1,307)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross	7,707		4,317
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans and Leases Receivable, Gross	149,177		142,244
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans and Leases Receivable, Gross	23,513		26,029
Consumer Portfolio Segment [Member]
Loans and Leases Receivable, Gross	62,470		44,964
Allowance for loan losses	$ (908)	$ (777)	$ (628)	$ (417)	$ (356)	$ (311)