Inventories, net (Tables)

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Schedule of components of inventory

The components of inventory, net consist of the following:

	December 31, (in thousands)
	2018		2017
Finished Goods	$	12,472	$	9,535
Work in process	67		766
Component parts	4,716		5,480
Service parts	5,482		5,965
	$	22,737	$	21,746