Schedule of Components of Income Tax Expense (Benefit) (Details)	12 Months Ended
	Jul. 31, 2015 USD ($)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 1	$ (23,397,341)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 2	(26,044,816)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 3	$ (21,873,844)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 4	35.32%
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 5	35.22%
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 6	35.10%
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 7	$ (8,263,941)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 8	(9,172,984)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 9	(7,677,719)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 10	223,980
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 11	286,071
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 12	211,744
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 13	1,473,225
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 14	585,482
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 15	193,821
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 16	50,025
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 17	(79,672)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 18	(522,982)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 19	(205,285)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 20	(199,795)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 21	58,729
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 22	144,242
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 23	97,565
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 24	(2,808)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 25	62,398
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 26	(10,431)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 27	52,097
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 28	6,474,775
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 29	8,419,286
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 30	7,684,149
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 31	(40,581)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 32	(74,478)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 33	(2,969)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 34	5,168
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 35	4,769
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 36	(7,784)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 37	(35,413)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 38	(69,709)
Income Taxes Schedule Of Components Of Income Tax Expense (benefit) 39	$ (10,753)