Equity Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-Based Compensation Expense

The following table summarizes our stock-based compensation expense by line item in the condensed consolidated statements of operations (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Cost of sales	$	3,912	$	1,063	$	7,018	$	2,599
Research and development		14,822		8,565		28,367		16,209
Selling, general and administrative		17,049		9,631		37,436		15,319
Total	$	35,783	$	19,259	$	72,821	$	34,127