Note 4 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021
Beginning balance	$ 6,471	$ 5,678
Provision for loan losses	190	130
Loans charged-off	(34)	(66)
Recoveries	50	25
Individually evaluated for impairment	3		$ 4
Total ending allowance balance	6,677	5,767	6,471
Loans individually evaluated for impairment	1,898		1,954
Total ending loans balance	578,453		567,611
Financial Asset Acquired [Member]
Collectively evaluated for impairment	168		160
Loans collectively evaluated for impairment	51,238		35,227
Financial Asset Originated [Member]
Collectively evaluated for impairment	6,506		6,307
Loans collectively evaluated for impairment	525,317		530,430
Commercial Portfolio Segment [Member]
Beginning balance	904	947
Provision for loan losses	2	15
Loans charged-off	0	(22)
Recoveries	0	0
Individually evaluated for impairment	0		1
Total ending allowance balance	906	940	904
Loans individually evaluated for impairment	429		437
Total ending loans balance	94,364		110,287
Commercial Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	1		0
Loans collectively evaluated for impairment	810		834
Commercial Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	905		903
Loans collectively evaluated for impairment	93,125		109,016
Commercial Real Estate Portfolio Segment [Member]
Beginning balance	3,949	3,623
Provision for loan losses	36	70
Loans charged-off	0	0
Recoveries	0	1
Individually evaluated for impairment	0		0
Total ending allowance balance	3,985	3,694	3,949
Loans individually evaluated for impairment	911		921
Total ending loans balance	287,009		280,026
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	67		83
Loans collectively evaluated for impairment	12,219		6,542
Commercial Real Estate Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	3,918		3,866
Loans collectively evaluated for impairment	273,879		272,563
Residential Portfolio Segment [Member]
Beginning balance	1,307	989
Provision for loan losses	110	8
Loans charged-off	0	0
Recoveries	13	0
Individually evaluated for impairment	3		3
Total ending allowance balance	1,430	997	1,307
Loans individually evaluated for impairment	558		596
Total ending loans balance	164,982		147,648
Residential Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	100		77
Loans collectively evaluated for impairment	32,402		21,363
Residential Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	1,327		1,227
Loans collectively evaluated for impairment	132,022		125,689
Consumer Portfolio Segment [Member]
Beginning balance	311	119
Provision for loan losses	42	37
Loans charged-off	(34)	(44)
Recoveries	37	24
Individually evaluated for impairment	0		0
Total ending allowance balance	356	$ 136	311
Loans individually evaluated for impairment	0		0
Total ending loans balance	32,098		29,650
Consumer Portfolio Segment [Member] \| Financial Asset Acquired [Member]
Collectively evaluated for impairment	0		0
Loans collectively evaluated for impairment	5,807		6,488
Consumer Portfolio Segment [Member] \| Financial Asset Originated [Member]
Collectively evaluated for impairment	356		311
Loans collectively evaluated for impairment	$ 26,291		$ 23,162

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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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually 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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Amount, before allowance for credit loss, of financing receivable.

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

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