Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

5. INVENTORIES

Inventories consist of the following (in thousands):

	March 31, 2022		December 31, 2021
Finished goods	$	21,566	$	21,527
Parts and materials		23,198		20,965
Work in progress		3,460		2,951
Total inventories	$	48,224	$	45,443

We include freight costs incurred for shipping inventory to our clients in the cost of product sales caption in the accompanying consolidated statements of operations.