Fair Value of Assets and Liabilities - Financial Instruments (Details) - USD ($)	Mar. 31, 2022	Jun. 30, 2021
Financial Assets
Available for sale debt securities, at fair value	$ 11,216,706	$ 10,909,764
Held to maturity debt securities	519,521	770,438
Carrying Value
Financial Assets
Cash and due from banks	1,736,677	1,989,643
Federal funds sold	29,462,000	44,059,000
Interest bearing deposits in other financial institutions	1,333,204	2,062,463
Available for sale debt securities, at fair value	11,216,706	10,909,764
Held to maturity debt securities	552,174	708,949
Loans, net	163,809,742	144,169,318
Investment in restricted stock	262,200	262,200
Interest receivable	505,737	552,516
Financial Liabilities
Deposits	188,991,609	171,956,117
Payroll protection program lending facility		10,372,148
Accrued interest payable	25,598	10,152
Fair Value.
Financial Assets
Cash and due from banks	1,736,677	1,989,643
Federal funds sold	29,462,000	44,059,000
Interest bearing deposits in other financial institutions	1,333,204	2,062,463
Available for sale debt securities, at fair value	11,216,706	10,909,764
Held to maturity debt securities	519,521	770,438
Loans, net	161,499,000	145,596,000
Investment in restricted stock	262,200	262,200
Interest receivable	505,737	552,516
Financial Liabilities
Deposits	182,771,000	174,555,000
Payroll protection program lending facility		10,372,148
Accrued interest payable	$ 25,598	$ 10,152