Income Taxes (Details 5)	Jul. 31, 2015 USD ($)
Federal and state
Operating loss carryforwards
Net operating loss carryforwards (NOLs)	$ 5,322,000
State | New Jersey
Operating loss carryforwards
Net operating loss carryforwards (NOLs)	5,248,000
Domestic | Purity Acquisition
Operating loss carryforwards
Net operating loss carryforwards (NOLs)	74,000
Foreign
Operating loss carryforwards
Net operating loss carryforwards (NOLs)	21,945,000
Valuation allowance on NOLs	$ 7,347,000