STOCK-BASED COMPENSATION

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION

The Company’s stock-based compensation generally includes stock options, restricted stock units (RSUs), performance share units (PSUs), and purchases under the Company’s ESPP.

The following table reflects stock-based compensation expense recognized in the Company’s Condensed Consolidated Statements of Comprehensive Income for the three and nine months ended September 30, 2020 and 2019 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cost of sales	$	2	$	28	$	43	$	78
Research and development expense	18		165		261		514
Selling, general and administrative expense	1,491		2,811		5,735		7,748
Restructuring charges	—		—		999		—
Total	$	1,511	$	3,004	$	7,038	$	8,340

During the nine months ended September 30, 2020 the Company granted 6.3 million RSUs at an average fair market value of $0.96 per share and 5.4 million options at an average fair market value of $0.53 per share, which includes 5.0 million in options granted as part of the Zyla Merger.