Stock-Based Compensation and Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

The fair value of stock option grants for the three months ended September 30, 2013 and 2012 was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:

	Three Months Ended September 30,
	2013			2012
Risk-free interest rate	1.54		%	0.65		%
Expected life	5.49 years			5.03 years
Dividend yield	—		%	—		%
Volatility	50.05		%	51.29		%
Weighted-average fair value	$	5.48		$	5.55

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table shows total stock-based compensation expense included in the consolidated statements of operations for the three months ended September 30, 2013 and 2012 (in thousands):

	Three Months Ended September 30,
	2013			2012
Cost of sales	$	235		$	240
Research and development	1,561			1,630
Sales and marketing	314			404
General and administrative	479			629
Stock-based compensation expense before taxes	2,589			2,903
Income tax impact	(288		)	(228		)
Stock-based compensation expense, net	$	2,301		$	2,675

Schedule of Share-based Compensation, Stock Options Activity

The following table summarizes stock option activity during the three months ended September 30, 2013 under all stock option plans:

	Number of Shares		Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (in Years)	Aggregate Intrinsic Value (in thousands)
Outstanding at July 1, 2013	12,206,178		$	10.83	6.23	$	22,631
Granted	319,670		11.76
Exercised	(277,159	)	5.54
Forfeited or cancelled	(82,850	)	13.76
Outstanding at September 30, 2013	12,165,839		10.96		6.15	42,277
Options vested and expected to vest at September 30, 2013	11,913,666		10.92		6.09	41,806
Options vested and exercisable at September 30, 2013	8,850,611		$	9.93	5.21	$	37,588

Schedule of Share-based Compensation, Restricted Stock Award Activity

The following table summarizes the Company’s restricted stock award activity for the three months ended September 30, 2013:

	Restricted Stock Awards
	Number of Shares		Weighted Average Grant Date Fair Value Per Share
Nonvested stock at July 1, 2013	179,641		$	10.66
Granted	—		—
Vested	(179,641	)	10.66
Forfeited	—		—
Nonvested stock at September 30, 2013	—		$	—