WARRANTY OBLIGATIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
WARRANTY OBLIGATIONS
Warranty period for certain products	1 year
Historical experience trailing period based on how product warranty accrual rates are determined	12 months
Warranty Experience
Warranty accrual at beginning of period	$ 159	$ 404
Accruals for warranties issued during the period	338	237
Adjustment of preexisting accrual estimates	(246)	(217)
Warranty costs incurred during period	(77)	(265)
Warranty accrual at end of period	$ 174	$ 159