Fair Value of Financial Instruments (Details) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Apr. 30, 2013	Apr. 30, 2014	Jul. 31, 2013
Assets [Abstract]
Gross unrealized losses		$ 100,000	$ 100,000
Gross realized gain	100,000
Recurring [Member]
Assets [Abstract]
Investment securities available for sale		1,400,027	1,463,864
Recurring [Member] | Level 1 [Member]
Assets [Abstract]
Investment securities available for sale		1,400,027	1,463,864
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