Property, Plant and Equipment (Details) - USD ($)	Jul. 31, 2016	Jul. 31, 2015
Total property, plant and equipment	$ 5,074,499	$ 8,165,296
Less: accumulated depreciation	(553,764)	(485,973)
Total	4,520,735	7,679,323
Machinery and Equipment [Member]
Total property, plant and equipment	4,951,227	5,275,080
Computer And Office Equipment [Member]
Total property, plant and equipment	53,933	56,558
Vehicles [Member]
Total property, plant and equipment	69,339	74,111
Assets Held under Capital Leases [Member]
Total property, plant and equipment	$ 0	$ 2,759,547