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, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020
Loans and Leases Receivable, Gross, Total	$ 623,386		$ 568,680
Net deferred loan fees and costs	(379)		(2,253)
Allowance for loan losses	(6,932)	$ (6,677)	(6,471)	$ (5,912)	$ (5,767)	$ (5,678)
Net loans	616,075		559,956
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	116,940		112,337
Allowance for loan losses	(976)	(906)	(904)	(858)	(940)	(947)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(4,049)	(3,985)	(3,949)	(3,817)	(3,694)	(3,623)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross, Total	21,457		10,525
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans and Leases Receivable, Gross, Total	282,601		269,679
Residential Portfolio Segment [Member]
Allowance for loan losses	(1,490)	(1,430)	(1,307)	(1,028)	(997)	(989)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans and Leases Receivable, Gross, Total	6,854		9,073
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans and Leases Receivable, Gross, Total	137,288		118,269
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans and Leases Receivable, Gross, Total	21,618		19,151
Consumer Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	36,628		29,646
Allowance for loan losses	$ (417)	$ (356)	$ (311)	$ (209)	$ (136)	$ (119)