Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Statement of Financial Position [Abstract]
Debt securities available for sale, at fair value, amortized cost	$ 108,130	$ 154,493
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock authorized shares	10,000,000	10,000,000
Preferred stock issued shares	0	0
Preferred stock shares outstanding	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized	60,000,000	60,000,000
Common stock shares issued	15,978,262	16,636,483
Common stock shares outstanding	15,978,262	16,636,483