Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.21.2
Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Summary of inventories
Inventories is comprised of the following items:
 
    
September 30,
2021
    
December 31,
2020
 
           
(Revised)
 
Supplies
   $ 6,383      $ 5,010  
Raw materials
     3,536        7,047  
Work in process
     10,532        5,710  
Finished goods
     9,533        7,684  
    
 
 
    
 
 
 
Total
  
$
29,984
 
  
$
25,451