Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)	May 31, 2016	May 31, 2015
Property, Plant and Equipment [Abstract]
Production machinery and equipment	$ 18,616,603	$ 13,120,285
Plant buildings and land	4,663,339	4,663,339
Leasehold improvements	198,568	198,568
Furniture and fixtures	168,005	90,280
Property and Equipment gross	23,646,515	18,072,472
Less: Accumulated depreciation	(11,081,196)	(9,563,157)
Net Property, Plant and Equipment	$ 12,565,319	$ 8,509,315