Fair Value of Assets and Liabilities - Financial Instruments (Details) - USD ($)	Dec. 31, 2022	Jun. 30, 2022
Financial Assets
Available for sale debt securities, at fair value	$ 9,414,015	$ 10,617,238
Held to maturity debt securities	390,093	419,000
Carrying Value
Financial Assets
Cash and due from banks	3,073,229	2,418,041
Federal funds sold	16,384,000	6,010,000
Interest bearing deposits in other financial institutions	599,291	1,945,073
Available for sale debt securities, at fair value	9,414,015	10,617,238
Held to maturity debt securities	521,228	532,363
Loans, net	192,621,976	185,629,872
Investment in restricted stock	770,273	323,000
Interest receivable	607,402	565,929
Financial Liabilities
Deposits	203,024,188	188,100,448
Accrued interest payable	27,817	31,071
Fair Value.
Financial Assets
Cash and due from banks	3,073,229	2,418,041
Federal funds sold	16,384,000	6,010,000
Interest bearing deposits in other financial institutions	599,291	1,945,073
Available for sale debt securities, at fair value	9,414,015	10,617,238
Held to maturity debt securities	390,093	419,000
Loans, net	173,785,000	178,080,000
Investment in restricted stock	770,273	323,000
Interest receivable	607,402	565,929
Financial Liabilities
Deposits	186,506,000	172,922,000
Accrued interest payable	$ 27,817	$ 31,071