XML 39 R27.htm IDEA: XBRL DOCUMENT v3.22.0.1
INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2021
INVENTORIES  
Schedule of inventories

​

​

​

​

​

​

​

​

December 31, 

 

2021

​

2020

(in thousands)

​

​

​

​

​

​

Raw materials and supplies

​

$

42,231

​

$

21,754

Work in process

​

 

14,390

​

 

11,378

Finished goods

​

 

16,640

​

 

9,178

Total inventories

​

$

73,261

​

$

42,310