INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2019

INVENTORIES [Abstract]

Components of Inventories

The components of inventories are as follows:

	March 31,		December 31,
	2019		2018
Raw materials	$	58,425	$	63,348
Work in progress		27,261		21,441
Finished goods		39,099		35,279
Inventories	$	124,785	$	120,068