STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Nov. 30, 2015

STOCK-BASED COMPENSATION [Abstract]

Schedule of Stock-based Compensation Expense

	Three Months Ended				Nine Months Ended
	November 30,				November 30,
	2015		2014		2015		2014
Cost of revenues	$	51	$	65	$	170	$	176
Research and development		217		171		579		452
Selling		325		178		820		418
General and administrative		1,009		754		2,642		1,878
	$	1,602	$	1,168	$	4,211	$	2,924

Summary of Stock Option Activity

			Weighted
	Number of		Average
	Options		Exercise Price
Outstanding at February 28, 2015	1,007		$	5.80
Granted	82			17.54
Exercised	(145	)		4.08
Forfeited or expired	(1	)		1.80
Outstanding at November 30, 2015	943		$	7.08
Exercisable at November 30, 2015	771		$	5.06

Summary of Restricted Stock Shares, Performance Stock Units (PSU's) and RSUs Activity

	Number of
	Restricted		Weighted
	Shares,		Average Grant
	PSUs and		Date Fair
	RSUs		Value
Outstanding at February 28, 2015	886		$	12.90
Granted	509			17.74
Vested	(389	)		9.49
Forfeited	(33	)		14.99
Outstanding at November 30, 2015	973		$	16.72