Income Taxes - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Deferred tax assets:
Loan origination fees	$ 172	$ 184
Allowance for loan losses	784	809
Deferred director's fees	271	278
Deferred compensation	478	470
Purchase accounting adjustments	593	811
NOL carry forward	631	1,022
Net unrealized loss on securities	4,587	19
Other	227	138
Total deferred tax assets	7,743	3,731
Deferred tax liabilities:
Premises and equipment	(284)	(157)
Total deferred tax liabilities	(284)	(157)
Net deferred tax asset	$ 7,459	$ 3,574