Employee Stock Ownership Plan (Narrative) (Details)	12 Months Ended
	Jun. 30, 2017 USD ($) h shares	Jun. 30, 2016 USD ($) shares
ESOP compensation expense	$ 417,419	$ 443,668
Value of shares repurchased	$ 44,335	$ 355,418
Employee Stock Ownership Plan [Member]
Number of hours worked per year to quality for the plan | h	1,000
Shares repurchased | shares	1,663	14,303
Value of shares repurchased	$ 44,335	$ 355,418