INVENTORIES (Tables)

6 Months Ended

Jun. 30, 2020

INVENTORIES

Schedule of inventories

	June 30,		December 31,
(in thousands)	2020		2019
Raw materials and supplies	$	27,441	$	24,993
Work in process		9,689		7,731
Finished goods		6,060		8,829
Total inventories	$	43,190	$	41,553