Fair Value of Financial Instruments (Details) - USD ($)	9 Months Ended	12 Months Ended
	Apr. 30, 2016	Jul. 31, 2015
Maximum [Member]
Assets [Abstract]
Gross unrealized gains	$ 100,000	$ 100,000
Recurring [Member]
Assets [Abstract]
Investment securities available for sale	1,511,468	1,433,732
Recurring [Member] | Level 1 [Member]
Assets [Abstract]
Investment securities available for sale	1,511,468	1,433,732
Recurring [Member] | Level 2 [Member]
Assets [Abstract]
Investment securities available for sale	0	0
Recurring [Member] | Level 3 [Member]
Assets [Abstract]
Investment securities available for sale	$ 0	$ 0