Stock-Based Compensation

9 Months Ended

Sep. 30, 2019

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

Stock-Based Compensation

Stock-Based Compensation

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

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
Cost of goods sold	$	1,119	$	1,176	$	3,208	$	3,470
Research and development	15,680		15,365		47,549		40,449
General and administrative	8,081		6,746		24,030		19,976
Total stock-based compensation	$	24,880	$	23,287	$	74,787	$	63,895

We issued stock-based awards and resulting shares of our common stock as follows (shares in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
Options granted	131		190		246		929
Weighted-average grant-date fair value of options granted	$	13.43	$	30.52	$	15.81	$	39.28
RSUs granted	316		152		712		558
Weighted-average grant-date fair value of RSUs granted	$	28.00	$	57.27	$	31.80	$	54.49
Shares issued under equity compensation plans	820		642		2,256		5,248