Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Jun. 30, 2025
Available-for-sale securities, amortized cost	$ 281,802	$ 302,424
Held-to-maturity, amortized cost	4,651
Available-for-sale securities, gross unrealized gains	580	695
Available-for-sale securities, gross unrealized losses	(24,011)	(29,244)
Available-for-sale securities, fair value	258,371	273,875
Debt Securities, Held-to-Maturity, Fair Value	4,556	5,026
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	998	2,991
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(12)	(54)
Available-for-sale securities, fair value	986	2,937
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	84,793	84,120
Held-to-maturity, amortized cost	4,651	5,167
Available-for-sale securities, gross unrealized gains	110	24
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(6,449)	(8,685)
Held-to-maturity, gross unrecognized losses	(95)	(141)
Available-for-sale securities, fair value	78,454	75,459
Debt Securities, Held-to-Maturity, Fair Value	4,556	5,026
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	23,386	26,117
Available-for-sale securities, gross unrealized gains	10	47
Available-for-sale securities, gross unrealized losses	(2,055)	(2,427)
Available-for-sale securities, fair value	21,341	23,737
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	85,684	91,676
Available-for-sale securities, gross unrealized gains	69	96
Available-for-sale securities, gross unrealized losses	(9,738)	(11,440)
Available-for-sale securities, fair value	76,015	80,332
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,553	8,567
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,291)	(1,461)
Available-for-sale securities, fair value	7,262	7,106
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	66,466	71,134
Available-for-sale securities, gross unrealized gains	295	470
Available-for-sale securities, gross unrealized losses	(4,251)	(4,543)
Available-for-sale securities, fair value	62,510	67,061
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	11,922	17,819
Available-for-sale securities, gross unrealized gains	96	58
Available-for-sale securities, gross unrealized losses	(215)	(634)
Available-for-sale securities, fair value	$ 11,803	$ 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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