Employee Stock Ownership Plan (Narrative) (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2017 USD ($) h shares	Dec. 31, 2016 USD ($) shares
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
ESOP compensation expense	$ 89,578	$ 108,167	$ 179,038	$ 216,876
Employee Stock Ownership Plan [Member]
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]
Number of hours worked per year to quality for the plan | h			1,000
Shares repurchased | shares	4,798	1,663	4,798	1,663
Value of shares repurchased	$ 109,694	$ 44,335	$ 109,694	$ 44,335