INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2019

INVENTORIES

Schedule of inventories, net of reserves

	March 31,		December 31,
	2019		2018
Chassis	$	7,588	$	8,921
Raw materials		40,393		40,021
Work in process		17,653		14,995
Finished goods		30,522		29,830
	$	96,156	$	93,767