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

3 Months Ended

Mar. 31, 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 March 31,
	2019		2018
Cost of sales	$	48	$	52
Selling, general and administrative expense	370		433
Total stock-based compensation expense	$	418	$	485