Significant Stock-Based Plan Activity and Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-based compensation expense

Stock-based compensation expense was recognized in our Consolidated Statements of Operations as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Cost of sales	$	10	$	34	$	(16)	$	82
Selling, general and administrative expense	267		801		740		1,171
Total stock-based compensation expense	$	277	$	835	$	724	$	1,253