Note 4 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Beginning balance	$ 7,546	$ 6,677	$ 7,160	$ 6,471
Provision for loan losses	225	270	635	460
Loans charged-off	(119)	(53)	(197)	(87)
Recoveries	23	38	77	88
Total ending allowance balance	7,675	6,932	7,675	6,932
Individually evaluated for impairment	0		0		$ 0
Total ending allowance balance	7,675	6,932	7,675	6,932	7,160
Loans individually evaluated for impairment	402		402		473
Total ending loans balance	666,463		666,463		613,057
Financial Asset Acquired [Member]
Collectively evaluated for impairment	128		128		148
Loans collectively evaluated for impairment	35,461		35,461		41,542
Financial Asset Originated [Member]
Collectively evaluated for impairment	7,547		7,547		7,012
Loans collectively evaluated for impairment	630,600		630,600		571,042
Commercial Portfolio Segment [Member]
Beginning balance	1,021	906	960	904
Provision for loan losses	(15)	49	46	51
Loans charged-off	0	0	0	0
Recoveries	0	21	0	21
Total ending allowance balance	1,006	976	1,006	976
Individually evaluated for impairment	0		0		0
Total ending allowance balance	1,006	976	1,006	976	960
Loans individually evaluated for impairment	315		315		276
Total ending loans balance	103,793		103,793		87,251
Commercial Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	0		0		1
Loans collectively evaluated for impairment	674		674		665
Commercial Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	1,006		1,006		959
Loans collectively evaluated for impairment	102,804		102,804		86,310
Commercial Real Estate Portfolio Segment [Member]
Beginning balance	4,072	3,985	3,927	3,949
Provision for loan losses	11	62	156	98
Loans charged-off	0	0	0	0
Recoveries	1	2	1	2
Total ending allowance balance	4,084	4,049	4,084	4,049
Individually evaluated for impairment	0		0		0
Total ending allowance balance	4,084	4,049	4,084	4,049	3,927
Loans individually evaluated for impairment	40		40		42
Total ending loans balance	318,324		318,324		306,913
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	51		51		62
Loans collectively evaluated for impairment	7,706		7,706		10,095
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	4,033		4,033		3,865
Loans collectively evaluated for impairment	310,578		310,578		296,776
Residential Portfolio Segment [Member]
Beginning balance	1,676	1,430	1,645	1,307
Provision for loan losses	1	97	36	207
Loans charged-off	0	(40)	(6)	(40)
Recoveries	0	3	2	16
Total ending allowance balance	1,677	1,490	1,677	1,490
Individually evaluated for impairment	0		0		0
Total ending allowance balance	1,677	1,490	1,677	1,490	1,645
Loans individually evaluated for impairment	47		47		155
Total ending loans balance	181,883		181,883		173,944
Residential Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	77		77		85
Loans collectively evaluated for impairment	25,052		25,052		27,731
Residential Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	1,600		1,600		1,560
Loans collectively evaluated for impairment	156,784		156,784		146,058
Consumer Portfolio Segment [Member]
Beginning balance	777	356	628	311
Provision for loan losses	228	62	397	104
Loans charged-off	(119)	(13)	(191)	(47)
Recoveries	22	12	74	49
Total ending allowance balance	908	417	908	417
Individually evaluated for impairment	0		0		0
Total ending allowance balance	908	$ 417	908	$ 417	628
Loans individually evaluated for impairment	0		0		0
Total ending loans balance	62,463		62,463		44,949
Consumer Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	0		0		0
Loans collectively evaluated for impairment	2,029		2,029		3,051
Consumer Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	908		908		628
Loans collectively evaluated for impairment	$ 60,434		$ 60,434		$ 41,898

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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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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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amount of expense related to estimated loss from loan and lease transactions.

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