Consolidated Balance Sheet (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Investment securities available-for-sale, amortized cost	$ 136,126	$ 150,886
Investment securities held-to-maturity, fair value	9,545	15,592
Mortgage-backed securities held-to-maturity, fair value	125,924	82,659
Net loans receivable, allowance for loan losses	$ 513	$ 565
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares oustanding (in shares)	0	0
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	3,805,636	3,805,636
Treasury stock, shares (in shares)	1,925,854	1,921,522