Note 3 - Securities - Amortized Cost and Fair Value of Securities Available-for-sale and Securities Held-to-maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Available-for-sale securities, amortized cost	$ 324,329	$ 203,267
Available-for-sale securities, gross unrealized gains	143	5,331
Available-for-sale securities, gross unrealized losses	(28,125)	(838)
Available-for-sale securities, fair value	296,347	207,760
Held-to-maturity, amortized cost	7,874	7,996
Held-to-maturity, fair value	7,831	8,352
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	8,909
Available-for-sale securities, gross unrealized gains	0
Available-for-sale securities, gross unrealized losses	(462)
Available-for-sale securities, fair value	8,447
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	105,977	73,013
Available-for-sale securities, gross unrealized gains	129	3,561
Available-for-sale securities, gross unrealized losses	(8,749)	(75)
Available-for-sale securities, fair value	97,357	76,499
Held-to-maturity, amortized cost	7,874	7,996
Held-to-maturity, gross unrecognized gains	47	356
Held-to-maturity, gross unrecognized losses	(90)	0
Held-to-maturity, fair value	7,831	8,352
US Government-sponsored Enterprises Debt Securities [Member]
Available-for-sale securities, amortized cost	28,689	14,746
Available-for-sale securities, gross unrealized gains	0	301
Available-for-sale securities, gross unrealized losses	(2,424)	(14)
Available-for-sale securities, fair value	26,265	15,033
Residential Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	113,812	90,065
Available-for-sale securities, gross unrealized gains	13	1,136
Available-for-sale securities, gross unrealized losses	(11,642)	(684)
Available-for-sale securities, fair value	102,183	90,517
Commercial Mortgage-Backed Securities [Member]
Available-for-sale securities, amortized cost	8,623	8,641
Available-for-sale securities, gross unrealized gains	0	204
Available-for-sale securities, gross unrealized losses	(1,322)	0
Available-for-sale securities, fair value	7,301	8,845
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, amortized cost	40,952	16,302
Available-for-sale securities, gross unrealized gains	1	129
Available-for-sale securities, gross unrealized losses	(2,774)	(57)
Available-for-sale securities, fair value	38,179	16,374
Other Debt Obligations [Member]
Available-for-sale securities, amortized cost	17,367	500
Available-for-sale securities, gross unrealized gains	0	0
Available-for-sale securities, gross unrealized losses	(752)	(8)
Available-for-sale securities, fair value	$ 16,615	$ 492

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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