Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	March 31, 2020		December 31, 2019
Finished goods	$	29,118	$	26,507
Parts and materials		20,335		21,419
Work in progress		2,810		2,237
Total inventories	$	52,263	$	50,163