Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-based Compensation Expense Included in Statements of Operations

The following table summarizes the total stock-based compensation expense included in the Company’s condensed consolidated statements of operations for the periods presented (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Cost of product sales	$	743	$	803	$	1,592	$	1,798
Research and development		7,235		7,901		15,692		15,781
Selling, general and administrative		11,529		11,718		24,571		22,726
	$	19,507	$	20,422	$	41,855	$	40,305