Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

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,
	2020		2019		2020		2019
Cost of goods sold	$	744	$	1,119	$	2,168	$	3,208
Research and development	14,212		15,680		43,826		47,549
General and administrative	8,711		8,081		25,255		24,030
Impairment of assets and other costs for terminated program	—		—		1,025		—
Total stock-based compensation	$	23,667	$	24,880	$	72,274	$	74,787

Share-based Compensation, Activity

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,
	2020		2019		2020		2019
Options granted	233		131		282		246
Weighted-average grant-date fair value of options granted	$	11.64	$	13.43	$	11.68	$	15.81
RSUs granted	693		316		1,213		712
Weighted-average grant-date fair value of RSUs granted	$	21.56	$	28.00	$	21.04	$	31.80
Shares issued under equity compensation plans	584		820		2,889		2,256