EQUIPMENT (Details) - USD ($)	Dec. 31, 2018	Mar. 31, 2018	Mar. 31, 2017
Equipment [Line Items]
Equipment, Cost	$ 642,740	$ 616,669	$ 595,102
Accumulated Depreciation	506,898	456,708	367,681
Equipment, Net	135,842	159,961	227,421
Computers and electronics [Member]
Equipment [Line Items]
Equipment, Cost	282,576	256,505	250,538
Accumulated Depreciation	237,882	223,750	204,258
Equipment, Net	44,694	32,755	46,280
Furniture and fixtures [Member]
Equipment [Line Items]
Equipment, Cost	36,795	36,795	36,795
Accumulated Depreciation	29,278	28,051	26,096
Equipment, Net	7,517	8,744	10,699
Demonstration equipment [Member]
Equipment [Line Items]
Equipment, Cost	200,186	200,186	184,586
Accumulated Depreciation	135,590	105,441	44,420
Equipment, Net	64,596	94,745	140,166
Manufacturing equipment [Member]
Equipment [Line Items]
Equipment, Cost	88,742	88,742	88,742
Accumulated Depreciation	86,100	85,668	84,982
Equipment, Net	2,642	3,074	3,760
Tools and parts [Member]
Equipment [Line Items]
Equipment, Cost	11,422	11,422	11,422
Accumulated Depreciation	6,539	5,741	4,472
Equipment, Net	4,883	5,681	6,950
Assets under capital lease [Member]
Equipment [Line Items]
Equipment, Cost	23,019	23,019	23,019
Accumulated Depreciation	11,509	8,057	3,453
Equipment, Net	$ 11,510	$ 14,962	$ 19,566

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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