XML 53 R16.htm IDEA: XBRL DOCUMENT v3.20.1
INVENTORIES
3 Months Ended
Mar. 31, 2020
INVENTORIES  
INVENTORIES

9.    INVENTORIES

Inventories consist of the following:

    

March 31, 

    

December 31, 

(in thousands)

2020

2019

Raw materials and supplies

$

28,276

$

24,993

Work in process

 

7,998

 

7,731

Finished goods

 

9,672

 

8,829

Total inventories

$

45,946

$

41,553