STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Aug. 31, 2015

STOCK-BASED COMPENSATION [Abstract]

Schedule of Stock-based Compensation Expense

	Three Months Ended				Six Months Ended
	August 31,				August 31,
	2015		2014		2015		2014
Cost of revenues	$	54	$	58	$	119	$	110
Research and development		198		148		362		283
Selling		295		126		495		239
General and administrative		842		604		1,633		1,124
	$	1,389	$	936	$	2,609	$	1,756

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	(127	)		3.83
Forfeited or expired	(1	)		1.80
Outstanding at August 31, 2015	961		$	7.06
Exercisable at August 31, 2015	789		$	5.07

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	483			17.68
Vested	(383	)		9.44
Forfeited	(26	)		13.80
Outstanding at August 31, 2015	960		$	16.66