Note 4 - Loans - Major Classifications (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021
Loans Receivable, Gross	$ 637,318	$ 611,567
Net deferred loan fees and costs	283	276
Allowance for loan losses	(7,546)	(7,160)	$ (6,677)	$ (6,471)
Net loans	630,055	604,683
Commercial Portfolio Segment [Member]
Loans Receivable, Gross	91,340	87,008
Allowance for loan losses	(1,021)	(960)	(906)	(904)
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan losses	(4,072)	(3,927)	(3,985)	(3,949)
Commercial Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	15,038	15,158
Commercial Real Estate Portfolio Segment [Member] \| Other Commercial Real Estate Loans [Member]
Loans Receivable, Gross	299,758	291,847
Residential Portfolio Segment [Member]
Allowance for loan losses	(1,676)	(1,645)	(1,430)	(1,307)
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Loans Receivable, Gross	6,320	4,317
Residential Portfolio Segment [Member] \| Residential Real Estate Owner Occupied Loans [Member]
Loans Receivable, Gross	145,359	142,244
Residential Portfolio Segment [Member] \| Residential Real Estate Non-owner Occupied Loans [Member]
Loans Receivable, Gross	24,627	26,029
Consumer Portfolio Segment [Member]
Loans Receivable, Gross	54,876	44,964
Allowance for loan losses	$ (777)	$ (628)	$ (356)	$ (311)

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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