STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

Compensation expense included in the Company’s Condensed Consolidated Statements of Comprehensive Income (Loss) for all stock-based compensation arrangements was as follows: 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Cost of sales	$	10,342	$	4,093	$	20,381	$	12,629
Research and development	15,705		14,261		45,333		43,037
Selling, general and administrative	24,122		20,819		76,411		66,097
Total stock-based compensation expense	$	50,169	$	39,173	$	142,125	$	121,763