Schedule of Fair Value of Variable Share Forward Contract (Details)	12 Months Ended
	Jul. 31, 2015 USD ($)
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 1	$ 407,239
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 2	0
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 3	594,318
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 4	$ 187,079
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 5	1.77
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 6	$ 331,130
Long-term Debt Schedule Of Fair Value Of Variable Share Forward Contract 7	$ 331,130