Inventories (Tables)

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following: 

	As of June 30, 2019		As of December 31, 2018
Raw materials	$	37,809	$	39,859
Finished goods	34,161		25,585
Inventories, net	$	71,970	$	65,444
Service and sales demonstration inventory, net	$	39,416	$	39,563