Stock-Based Compensation And Employee Purchase Plans (Tables)

6 Months Ended

Sep. 30, 2014

Employee Stock Purchase Plan

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

The estimated fair value of ESPP 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,
		2014		2013		2014		2013
Expected volatility		46%		38%		46%		38%
Expected dividend yield		-		-		-		-
Risk-free interest rate		0.09%		0.11%		0.09%		0.11%
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	$	2.46	$	2.60	$	2.46	$	2.60

Stock Options

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

Option activity for the six months ended September 30, 2014 is summarized as follows (table includes stock purchase rights and RSUs; not limited to options):

				Weighted
		Shares		Average
	Shares	Subject to		Exercise
	Available	Options		Price
	for Grant	Outstanding		Per Share
Balance at March 31, 2014	1,613,943	6,002,382	$	4.14
Change in options available for grant	6,800,000	-		-
Granted - options	(106,684)	106,684		7.56
Stock purchase rights/restricted stock unit (1)	(279,924)	-		-
Exercised	-	(483,184)		1.55
Canceled/forfeited - options	278,098	(278,098)		5.11
Canceled/forfeited - restricted stock unit	93,944	-		5.67
Balance at September 30, 2014	8,399,377	5,347,784	$	4.16

(1) The reduction to shares available for grant includes awards granted of 279,924 shares.

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

The following table summarizes the assumptions used to compute reported stock-based compensation to employees and directors for the three and six months ended September 30, 2014 and 2013:

		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2014		2013		2014		2013
Expected volatility		58%		64%		58%		64%
Expected dividend yield		-		-		-		-
Risk-free interest rate		1.74%		1.98%		1.72%		1.88%
Weighted average expected option term		5.30 years		6.20 years		5.20 years		6.10 years
Weighted average fair value of options granted	$	3.90	$	5.76	$	3.91	$	5.62

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, 2014 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, 2014	489,627	$	4.83	1.93
Granted	31,432		7.88
Vested	(175,038)		3.81
Forfeited	(34,075)		5.67
Balance at September 30, 2014	311,946	$	5.62	1.84

Restricted Stock Units

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

Restricted stock unit and performance stock unit activity for the six months ended September 30, 2014 is summarized as follows:

				Weighted
			Weighted	Average
			Average	Remaining
	Number of		Purchase	Contractual
	Shares		Price	Term (in Years)
Balance at March 31, 2014	1,134,856	$	-	2.00
Granted	248,492
Vested	(118,561)
Forfeited	(93,755)
Balance at September 30, 2014	1,171,032	$	-	1.87