Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Available-for-sale securities, amortized cost	$ 298,808	$ 300,666
Held-to-maturity, amortized cost	5,948	6,054
Available-for-sale securities, gross unrealized gains	581	142
Available-for-sale securities, gross unrealized losses	(26,632)	(36,006)
Available-for-sale securities, fair value	272,757	264,802
Held-to-maturity, fair value	5,625	5,530
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	83,247	85,917
Held-to-maturity, amortized cost	5,948	6,054
Available-for-sale securities, gross unrealized gains	52	46
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(5,880)	(8,233)
Held-to-maturity, gross unrecognized losses	(323)	(524)
Available-for-sale securities, fair value	77,419	77,730
Held-to-maturity, fair value	5,625	5,530
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	6,476	6,471
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(112)	(219)
Available-for-sale securities, fair value	6,364	6,252
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	27,596	28,019
Available-for-sale securities, gross unrealized gains	37	4
Available-for-sale securities, gross unrealized losses	(2,569)	(3,356)
Available-for-sale securities, fair value	25,064	24,667
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	90,975	94,303
Available-for-sale securities, gross unrealized gains	17	0
Available-for-sale securities, gross unrealized losses	(11,248)	(14,936)
Available-for-sale securities, fair value	79,744	79,367
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,581	8,584
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,407)	(1,752)
Available-for-sale securities, fair value	7,174	6,832
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	64,673	60,333
Available-for-sale securities, gross unrealized gains	475	92
Available-for-sale securities, gross unrealized losses	(4,436)	(5,757)
Available-for-sale securities, fair value	60,712	54,668
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	17,260	17,039
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(980)	(1,753)
Available-for-sale securities, fair value	$ 16,280	$ 15,286

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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