Note 3 - Loans and Allowance for Credit Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023
Balance	$ 7,987	$ 7,675	$ 7,724	$ 7,160
Provision for expected credit losses	15	160	380	795
Charge-offs	(138)	(56)	(381)	(253)
Recoveries	47	44	136	121
Balance	7,911	7,823	7,911	7,823
Individually evaluated for impairment					$ 0
Total ending allowance balance	7,911	7,823	7,911	7,823	7,724
Loans individually evaluated for impairment					405
Total ending loans balance	742,584		742,584		711,960
Financial Asset Acquired [Member]
Acquired loans collectively evaluated for impairment					114
Loans collectively evaluated for impairment					31,843
Financial Asset Originated [Member]
Acquired loans collectively evaluated for impairment					7,610
Loans collectively evaluated for impairment					679,712
Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			52
Total ending allowance balance					52
Commercial & Industrial [Member]
Balance	955		1,308
Provision for expected credit losses	122		224
Charge-offs	0		0
Recoveries	0		0
Balance	1,077		1,077
Total ending allowance balance	1,077		1,077		1,308
Commercial & Industrial [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			(455)
Total ending allowance balance					(455)
Commercial Real Estate Portfolio Segment [Member]
Balance	4,131	4,084	3,943	3,927
Provision for expected credit losses	(381)	(103)	(140)	53
Charge-offs	0	0	0	0
Recoveries	0	0	0	1
Balance	3,750	3,981	3,750	3,981
Individually evaluated for impairment					0
Total ending allowance balance	3,750	3,981	3,750	3,981	3,943
Loans individually evaluated for impairment					88
Total ending loans balance					342,701
Commercial Real Estate Portfolio Segment [Member] | Financial Asset Acquired [Member]
Acquired loans collectively evaluated for impairment					40
Loans collectively evaluated for impairment					6,953
Commercial Real Estate Portfolio Segment [Member] | Financial Asset Originated [Member]
Acquired loans collectively evaluated for impairment					3,903
Loans collectively evaluated for impairment					335,660
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			(53)
Total ending allowance balance					(53)
Farmland [Member]
Balance	89		0
Provision for expected credit losses	1		(3)
Charge-offs	0		0
Recoveries	0		0
Balance	90		90
Total ending allowance balance	90		90		0
Total ending loans balance	39,050		39,050
Farmland [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			93
Total ending allowance balance					93
Land Development [Member]
Balance	246		0
Provision for expected credit losses	(78)		(230)
Charge-offs	0		0
Recoveries	0		0
Balance	168		168
Total ending allowance balance	168		168		0
Total ending loans balance	12,095		12,095
Land Development [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			398
Total ending allowance balance					398
Residential Portfolio Segment [Member]
Balance	1,696	1,677	1,571	1,645
Provision for expected credit losses	276	70	233	106
Charge-offs	0	0	0	(6)
Recoveries	1	0	3	2
Balance	1,973	1,747	1,973	1,747
Individually evaluated for impairment					0
Total ending allowance balance	1,973	1,747	1,973	1,747	1,571
Loans individually evaluated for impairment					3
Total ending loans balance	192,943		192,943		190,839
Residential Portfolio Segment [Member] | Financial Asset Acquired [Member]
Acquired loans collectively evaluated for impairment					74
Loans collectively evaluated for impairment					23,038
Residential Portfolio Segment [Member] | Financial Asset Originated [Member]
Acquired loans collectively evaluated for impairment					1,497
Loans collectively evaluated for impairment					167,798
Residential Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			166
Total ending allowance balance					166
Consumer Portfolio Segment [Member]
Balance	870	908	902	628
Provision for expected credit losses	75	61	296	458
Charge-offs	(138)	(56)	(381)	(247)
Recoveries	46	44	133	118
Balance	853	957	853	957
Individually evaluated for impairment					0
Total ending allowance balance	853	957	853	957	902
Loans individually evaluated for impairment					0
Total ending loans balance	72,359		72,359		65,594
Consumer Portfolio Segment [Member] | Financial Asset Acquired [Member]
Acquired loans collectively evaluated for impairment					0
Loans collectively evaluated for impairment					1,230
Consumer Portfolio Segment [Member] | Financial Asset Originated [Member]
Acquired loans collectively evaluated for impairment					902
Loans collectively evaluated for impairment					64,364
Consumer Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance			(97)
Total ending allowance balance					(97)
Commercial Portfolio Segment [Member]
Balance		1,006	1,308	960
Provision for expected credit losses		132		178
Charge-offs		0	0	0
Recoveries		0		0
Balance		1,138		1,138
Individually evaluated for impairment					0
Total ending allowance balance		$ 1,138		$ 1,138	1,308
Loans individually evaluated for impairment					314
Total ending loans balance	$ 115,446		$ 115,446		112,826
Commercial Portfolio Segment [Member] | Financial Asset Acquired [Member]
Acquired loans collectively evaluated for impairment					0
Loans collectively evaluated for impairment					622
Commercial Portfolio Segment [Member] | Financial Asset Originated [Member]
Acquired loans collectively evaluated for impairment					1,308
Loans collectively evaluated for impairment					$ 111,890