Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following:

	As of June 30, 2018		As of December 31, 2017
Raw materials	$	37,348	$	36,328
Finished goods	23,001		17,458
Inventories, net	$	60,349	$	53,786
Service and sales demonstration inventory, net	$	38,346	$	39,614