INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2023

INVENTORIES

Schedule of inventories

	March 31,		December 31,
December 31,	2023		2022
(in thousands)
Raw materials and supplies	$	36,215	$	37,210
Work in process		15,199		14,190
Finished goods		15,425		21,615
Total inventories	$	66,839	$	73,015