Note 2 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Available-for-sale securities, amortized cost	$ 280,190	$ 302,424
Available-for-sale securities, gross unrealized gains	621	695
Available-for-sale securities, gross unrealized losses	(23,227)	(29,244)
Available-for-sale securities, fair value	257,584	273,875
Held-to-maturity, fair value	4,229	5,026
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	999	2,991
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(6)	(54)
Available-for-sale securities, fair value	993	2,937
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	85,451	84,120
Held-to-maturity, amortized cost	4,308	5,167
Available-for-sale securities, gross unrealized gains	260	24
Held-to-maturity, gross unrecognized gains	0	0
Available-for-sale securities, gross unrealized losses	(5,286)	(8,685)
Held-to-maturity, gross unrecognized losses	(79)	(141)
Available-for-sale securities, fair value	80,425	75,459
Held-to-maturity, fair value	4,229	5,026
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	22,664	26,117
Available-for-sale securities, gross unrealized gains	1	47
Available-for-sale securities, gross unrealized losses	(2,086)	(2,427)
Available-for-sale securities, fair value	20,579	23,737
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	82,801	91,676
Available-for-sale securities, gross unrealized gains	38	96
Available-for-sale securities, gross unrealized losses	(9,909)	(11,440)
Available-for-sale securities, fair value	72,930	80,332
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	9,866	8,567
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(1,337)	(1,461)
Available-for-sale securities, fair value	8,529	7,106
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	64,065	71,134
Available-for-sale securities, gross unrealized gains	193	470
Available-for-sale securities, gross unrealized losses	(4,353)	(4,543)
Available-for-sale securities, fair value	59,905	67,061
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	14,344	17,819
Available-for-sale securities, gross unrealized gains	129	58
Available-for-sale securities, gross unrealized losses	(250)	(634)
Available-for-sale securities, fair value	$ 14,223	$ 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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