Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025
Available-for-sale securities, amortized cost	$ 293,274	$ 302,424
Held-to-maturity, amortized cost	5,058
Available-for-sale securities, gross unrealized gains	835	695
Available-for-sale securities, gross unrealized losses	(25,209)	(29,244)
Available-for-sale securities, fair value	268,900	273,875
Held-to-maturity, fair value	5,011	5,026
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	2,995	2,991
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(29)	(54)
Available-for-sale securities, fair value	2,966	2,937
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	83,812	84,120
Held-to-maturity, amortized cost	5,058	5,167
Available-for-sale securities, gross unrealized gains	86	24
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(6,643)	(8,685)
Held-to-maturity, gross unrecognized losses	(47)	(141)
Available-for-sale securities, fair value	77,255	75,459
Held-to-maturity, fair value	5,011	5,026
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	25,583	26,117
Available-for-sale securities, gross unrealized gains	29	47
Available-for-sale securities, gross unrealized losses	(2,219)	(2,427)
Available-for-sale securities, fair value	23,393	23,737
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	88,880	91,676
Available-for-sale securities, gross unrealized gains	168	96
Available-for-sale securities, gross unrealized losses	(10,562)	(11,440)
Available-for-sale securities, fair value	78,486	80,332
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,563	8,567
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,343)	(1,461)
Available-for-sale securities, fair value	7,220	7,106
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	68,152	71,134
Available-for-sale securities, gross unrealized gains	432	470
Available-for-sale securities, gross unrealized losses	(4,102)	(4,543)
Available-for-sale securities, fair value	64,482	67,061
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	15,289	17,819
Available-for-sale securities, gross unrealized gains	120	58
Available-for-sale securities, gross unrealized losses	(311)	(634)
Available-for-sale securities, fair value	$ 15,098	$ 17,243

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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