Employee Benefit Plans, Employee Stock Ownership Plan ("ESOP") (Details) - USD ($)	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Employee Stock Ownership Plan [Abstract]
Payment authorized for purchase of additional shares for ESOP	$ 130,000	$ 120,000
ESOP expense	$ 127,100	$ 115,000
Employee Stock Ownership Plan [Member]
Employee Stock Ownership Plan [Abstract]
Award vesting period	3 years