INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2021

INVENTORIES

Schedule of inventories include costs of materials, direct labor and manufacturing overhead, and are stated at the lower of cost (first-in, first-out basis) or net realizable value

Inventories include costs of materials, direct labor and manufacturing overhead, and are stated at the lower of cost (first-in, first-out basis) or net realizable value, as follows (in thousands):

	March 31,		December 31,
	2021		2020
Parts and raw materials	$	44,753	$	44,750
Work-in-process		5,318		6,186
Finished goods		11,358		12,042
	$	61,429	$	62,978