GUARANTEES (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
GUARANTEES
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	91	42
Adjustment of preexisting accrual estimates	35	(144)
Warranty costs incurred during period	(97)	(56)
Warranty accrual at end of period	$ 188	$ 246