Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Available-for-sale securities, amortized cost	$ 302,424	$ 300,666
Available-for-sale securities, gross unrealized gains	695	142
Available-for-sale securities, gross unrealized losses	(29,244)	(36,006)
Available-for-sale securities, fair value	273,875	264,802
Held-to-maturity, fair value	5,026	5,530
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	2,991	6,471
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(54)	(219)
Available-for-sale securities, fair value	2,937	6,252
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	84,120	85,917
Held-to-maturity, amortized cost	5,167	6,054
Available-for-sale securities, gross unrealized gains	24	46
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(8,685)	(8,233)
Held-to-maturity, gross unrecognized losses	(141)	(524)
Available-for-sale securities, fair value	75,459	77,730
Held-to-maturity, fair value	5,026	5,530
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	26,117	28,019
Available-for-sale securities, gross unrealized gains	47	4
Available-for-sale securities, gross unrealized losses	(2,427)	(3,356)
Available-for-sale securities, fair value	23,737	24,667
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	91,676	94,303
Available-for-sale securities, gross unrealized gains	96	0
Available-for-sale securities, gross unrealized losses	(11,440)	(14,936)
Available-for-sale securities, fair value	80,332	79,367
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,567	8,584
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,461)	(1,752)
Available-for-sale securities, fair value	7,106	6,832
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	71,134	60,333
Available-for-sale securities, gross unrealized gains	470	92
Available-for-sale securities, gross unrealized losses	(4,543)	(5,757)
Available-for-sale securities, fair value	67,061	54,668
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	17,819	17,039
Available-for-sale securities, gross unrealized gains	58	0
Available-for-sale securities, gross unrealized losses	(634)	(1,753)
Available-for-sale securities, fair value	$ 17,243	$ 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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