PROPERTY, PLANT AND EQUIPMENT (Tables)

3 Months Ended

Mar. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	March 31, 2021		December 31, 2020
Original cost	$	31,893	$	32,098
Less accumulated depreciation and amortization	(18,405)		(18,251)
Right-of-use operating lease assets	2,808		2,852
Property, plant and equipment – net	$	16,296	$	16,699