Income Taxes - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Deferred tax assets:
Loan origination fees	$ 150	$ 172
Allowance for loan losses	762	784
Deferred director's fees	261	271
Deferred compensation	357	478
Purchase accounting adjustments	499	593
NOL carry forward	231	631
Net unrealized loss on securities	6,983	4,587
Stock based compensation	234
Other	344	227
Total deferred tax assets	9,821	7,743
Deferred tax liabilities:
Premises and equipment	(336)	(284)
Total deferred tax liabilities	(336)	(284)
Net deferred tax asset	$ 9,485	$ 7,459