Share-based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

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

Share-Based Compensation Expense

The components of share-based compensation expense were as follows:

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(in thousands)				(in thousands)
Stock option awards	$	391	$	310	$	780	$	624
Restricted stock units		245		161		477		335
Total share-based compensation	$	636	$	471	$	1,257	$	959

Schedule of Stock-based Compensation

Stock-based compensation is included in our statements of operations as follows:

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
	(in thousands)				(in thousands)
Cost of sales	$	83	$	41	$	148	$	94
Sales and marketing		136		114		273		230
General and administrative		351		271		702		546
Research and development		66		45		134		89
Total stock-based compensation	$	636	$	471	$	1,257	$	959