Stock-Based Compensation and Equity (Tables)

6 Months Ended

Jun. 30, 2019

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation Expense

Stock-based compensation expense in connection with all stock-based awards is presented as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Operating expenses	$	52	$	26	$	95	$	44
Selling expenses	82		81		169		126
General and administrative expenses	843		231		1,570		372
Total stock-based compensation	$	977	$	338	$	1,834	$	542