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

3 Months Ended

Mar. 31, 2018

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,
	2018		2017
Cost of sales	$	52	$	19
Selling, general and administrative expense	433		338
Total stock-based compensation expense	$	485	$	357