Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Jun. 30, 2025
Available-for-sale securities, amortized cost	$ 283,872	$ 302,424
Held-to-maturity, amortized cost	4,651
Available-for-sale securities, gross unrealized gains	997	695
Available-for-sale securities, gross unrealized losses	(22,522)	(29,244)
Available-for-sale securities, fair value	262,347	273,875
Debt Securities, Held-to-Maturity, Fair Value	4,605	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	(17)	(54)
Available-for-sale securities, fair value	981	2,937
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	84,110	84,120
Held-to-maturity, amortized cost	4,651	5,167
Available-for-sale securities, gross unrealized gains	203	24
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(5,170)	(8,685)
Held-to-maturity, gross unrecognized losses	(46)	(141)
Available-for-sale securities, fair value	79,143	75,459
Debt Securities, Held-to-Maturity, Fair Value	4,605	5,026
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	25,424	26,117
Available-for-sale securities, gross unrealized gains	34	47
Available-for-sale securities, gross unrealized losses	(2,038)	(2,427)
Available-for-sale securities, fair value	23,420	23,737
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	85,123	91,676
Available-for-sale securities, gross unrealized gains	175	96
Available-for-sale securities, gross unrealized losses	(9,815)	(11,440)
Available-for-sale securities, fair value	75,483	80,332
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,558	8,567
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,297)	(1,461)
Available-for-sale securities, fair value	7,261	7,106
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	66,742	71,134
Available-for-sale securities, gross unrealized gains	463	470
Available-for-sale securities, gross unrealized losses	(3,915)	(4,543)
Available-for-sale securities, fair value	63,290	67,061
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	12,917	17,819
Available-for-sale securities, gross unrealized gains	122	58
Available-for-sale securities, gross unrealized losses	(270)	(634)
Available-for-sale securities, fair value	$ 12,769	$ 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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