INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2020

INVENTORIES

Schedule of inventories, net of reserves

	March 31,		December 31,
	2020		2019
Chassis	$	7,721	$	6,561
Raw materials		40,014		39,444
Work in process		17,179		16,520
Finished goods		27,727		25,440
	$	92,641	$	87,965