Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense

Total stock-based compensation expense was recognized in our Condensed Consolidated Statements of Operations as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
Cost of goods sold	$	1,163	$	538	$	2,294	$	1,092
Research and development		12,991		4,620		25,084		9,217
General and administrative		6,506		2,941		13,230		5,974
Total stock-based compensation	$	20,660	$	8,099	$	40,608	$	16,283