Commitments and Contingencies (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Commitments to extend credit to borrowers
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 15,783,409	$ 18,708,308
Sold loan commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	6,751,499	17,437,885
Credit card commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Financial instruments whose contract amounts represent credit risk	$ 642,775	$ 639,878