3. BALANCE SHEET DETAIL - Intangible assets (Details) - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Gross Carrying Amount	$ 4,890,000	$ 1,390,000
Accumulated Amortization	(1,239,000)	(997,000)
Net Carrying Amount	3,651,000	393,000
Amortization of intangible assets	242,000	171,000
Product designs
Gross Carrying Amount	590,000	590,000
Accumulated Amortization	(555,000)	(470,000)
Net Carrying Amount	35,000	120,000
Patents
Gross Carrying Amount	4,220,000	720,000
Accumulated Amortization	(604,000)	(447,000)
Net Carrying Amount	3,616,000	273,000
Software.
Gross Carrying Amount	80,000	80,000
Accumulated Amortization	$ (80,000)	$ (80,000)