Fair Value of Financial Instruments (Details) (USD $)	6 Months Ended	12 Months Ended
	Jan. 31, 2015	Jul. 31, 2014
Assets [Abstract]
Gross unrealized losses	$ 100,000	$ 100,000
Recurring [Member]
Assets [Abstract]
Investment securities available for sale	1,445,810	1,407,277
Recurring [Member] | Level 1 [Member]
Assets [Abstract]
Investment securities available for sale	1,445,810	1,407,277
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