Available for Sale Securities - Company’s available for sale securities portfolio (Details) - Obligations of states and political subdivisions - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Debt Securities, Available-for-sale [Line Items]
Continuous Unrealized Losses Existing for Less Than 12 Months, Fair Value	$ 1,573,342	$ 208,583
Continuous Unrealized Losses Existing for Less Than 12 Months, Unrealized Losses	23,737	22
Continuous Unrealized Losses Existing for 12 Months or Greater, Fair Value	1,095,636	2,935,133
Continuous Unrealized Losses Existing for 12 Months or Greater, Unrealized Losses	41,429	58,592
Total, Fair Value	2,668,978	3,143,716
Total, Unrealized Losses	$ 65,166	$ 58,614