Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Share Based Compensation [Abstract]

Schedule of Share-Based Compensation Expense

The table below sets forth the line items where share-based compensation expense was recorded

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Cost of goods sold	$	80	$	153	$	170	$	311
Selling, general and administrative		4,031		3,993		9,484		7,297
Research and development		689		688		1,426		1,357
Total share-based compensation expense	$	4,800	$	4,834	$	11,080	$	8,965

Schedule of Share-Based Compensation Expense by Type

The table below sets forth share-based compensation expense by type:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Stock options	$	84	$	301	$	275	$	598
Share grants		4,716		4,533		10,805		8,367
Total share-based compensation expense	$	4,800	$	4,834	$	11,080	$	8,965