Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Intangible Assets, Gross	$ 0
Intangible Assets, Additions	5,240
Intangible Assets, Gross	5,240
Accumulated Amortization	0
Accumulated Amortization, Expense	(158)
Accumulated Amortization	(158)
Intangible Assets, Net	5,082	0
Developed Technology Rights [Member]
Intangible Assets, Gross	0
Intangible Assets, Additions	4,423
Intangible Assets, Gross	4,423
Accumulated Amortization	0
Accumulated Amortization, Expense	(134)
Accumulated Amortization	(134)
Intangible Assets, Net	4,289	0
Weighted Average Useful Life (Years)	7 years
Trade Names [Member]
Intangible Assets, Gross	0
Intangible Assets, Additions	817
Intangible Assets, Gross	817
Accumulated Amortization	0
Accumulated Amortization, Expense	(24)
Accumulated Amortization	(24)
Intangible Assets, Net	$ 793	$ 0
Weighted Average Useful Life (Years)	7 years