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

9 Months Ended

Sep. 30, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock-based compensation expense

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

	Three Months Ended September 30,					Nine Months Ended September 30,
	2019			2018		2019		2018
Cost of sales	$	(3	)	$	42	$	79	$	108
Selling, general and administrative expense	339			329		1,510		950
Total stock-based compensation expense	$	336		$	371	$	1,589	$	1,058