Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	June 30, 2020		December 31, 2019
Finished goods	$	19,450	$	26,507
Parts and materials		18,764		21,419
Work in progress		3,314		2,237
Total inventories	$	41,528	$	50,163