Stock-Based Compensation And Employee Purchase Plan (Tables)

6 Months Ended

Sep. 30, 2015

Employee Stock Purchase Plan

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The estimated fair value of options granted under the Employee Stock Purchase Plan was estimated at the date of grant using Black-Scholes pricing model with the following weighted average assumptions:

		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2015		2014		2015		2014
Expected volatility		45%		46%		45%		46%
Expected dividend yield		-		-		-		-
Risk-free interest rate		0.30%		0.09%		0.30%		0.09%
Weighted average expected ESPP option term		0.75 years		0.75 years		0.75 years		0.75 years
Weighted average fair value of
ESPP options granted	$	2.78	$	2.46	$	2.78	$	2.46

Option Grants

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

Stock Option activity under all the Company's stock option plans for the six months ended September 30, 2015, is summarized as follows:

			Weighted Average
	Number of		Exercise Price
	Shares		Per Share
Outstanding at March 31, 2015	5,327,907	$	5.19
Granted	640,504		8.36
Exercised	(429,924)		2.06
Canceled/Forfeited	(8,167)		6.78
Outstanding at September 30, 2015	5,530,320	$	5.80
Vested and expected to vest at September 30, 2015	5,530,320	$	5.80
Exercisable at September 30, 2015	3,166,470	$	4.02

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of each of the Company's option grants has been estimated on the date of grant using the Black-Scholes pricing model with the following assumptions:

		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2015		2014		2015		2014
Expected volatility		53%		58%		53%		58%
Expected dividend yield		-		-		-		-
Risk-free interest rate		1.59%		1.74%		1.59%		1.72%
Weighted average expected option term		5.57 years		5.30 years		5.46 years		5.20 years
Weighted average fair value of options granted	$	4.00	$	3.90	$	4.06	$	3.91

Stock Purchase Rights

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

Stock Purchase Right activity for the six months ended September 30, 2015, is summarized as follows:

			Weighted	Weighted
			Average	Average
			Grant-Date	Remaining
	Number of		Fair Market	Contractual
	Shares		Value	Term (in Years)
Balance at March 31, 2015	223,835	$	5.92	1.50
Granted	-		-
Vested	(97,119)		5.30
Forfeited	(6,125)		7.34
Balance at September 30, 2015	120,591	$	6.35	1.23

Restricted Stock Units

Disclosure Of Share-Based Compensation Arrangements By Share-Based Payment Award

Restricted Stock Unit activity for the six months ended September 30, 2015, is summarized as follows:

				Weighted
			Weighted	Average
			Average	Remaining
	Number of		Grant Date	Contractual
	Shares		Fair Value	Term (in Years)
Balance at March 31, 2015	2,698,686	$	7.33	1.88
Granted	2,288,642		8.57
Vested	(166,692)		8.86
Forfeited	(79,757)		8.18
Balance at September 30, 2015	4,740,879	$	7.86	1.89