PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	Jun. 30, 2017	Mar. 31, 2017
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 11,170,665	$ 11,066,474
Less: accumulated depreciation and amortization	(9,154,624)	(9,047,324)
Property, Plant and Equipment, Net	2,016,041	2,019,150
Computers [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	444,184	444,184
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	878,888	878,888
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	6,093,910	6,079,401
Tools and dies [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,565,562	3,484,307
Furniture and fixture [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	179,071	170,644
Website development cost [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 9,050	$ 9,050