STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Aug. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Stock-based Compensation Expense

Stock-based compensation expense is included in the following captions of the condensed consolidated statements of comprehensive income (loss) (in thousands):

	Three Months Ended				Six Months Ended
	August 31,				August 31,
	2018		2017		2018		2017
Cost of revenues	$	212	$	141	$	389	$	279
Research and development		420		384		785		618
Selling and marketing		680		547		1,251		933
General and administrative		1,368		1,155		2,722		2,214
	$	2,680	$	2,227	$	5,147	$	4,044

Summary of Stock Option Activity

Changes in our outstanding stock options during the six months ended August 31, 2018 were as follows (options in thousands):

	Number of Options			Weighted Average Exercise Price		Weighted average remaining contractual life (years)		Aggregate intrinsic value
Outstanding at February 28, 2018		980		$	11.29		5.9
Granted		140			23.08
Exercised		(55	)		1.83
Forfeited or expired		—			—
Outstanding at August 31, 2018		1,065		$	13.33		6.3	$	10,831
Exercisable at August 31, 2018		683		$	9.85		4.7	$	9,316

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

Changes in our outstanding restricted stock shares, performance stock units (“PSUs”) and restricted stock units (“RSUs”) during the six months ended August 31, 2018 were as follows (restricted shares, PSUs and RSUs in thousands):

	Number of Restricted Shares, PSUs and RSUs			Weighted Average Grant Date Fair Value		Shares Retained to Cover Statutory Minimum Withholding Taxes
Outstanding at February 28, 2018		1,434		$	17.72
Granted		658			23.05
Vested		(438	)		17.21		148
Forfeited		(126	)		19.24
Outstanding at August 31, 2018		1,528		$	20.03