INVENTORY - (Tables)

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Schedule of components of inventory

Inventory consisted of the following (in thousands): 

	At June 30,		At December 31,
	2019		2018
Inventory
Component parts, net of reserves of $1,758 and $1,468 at June 30, 2019 and December 31, 2018, respectively	$	22,765	$	23,197
Work-in-progress	3,131		280
Finished goods	2,692		926
Total inventory	$	28,588	$	24,403