Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following:

	As of September 30, 2018		As of December 31, 2017
Raw materials	$	39,799	$	36,328
Finished goods	22,672		17,458
Inventories, net	$	62,471	$	53,786
Service and sales demonstration inventory, net	$	35,288	$	39,614