Quarterly report pursuant to Section 13 or 15(d)

Inventories (Tables)

v3.19.2
Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of inventory
A summary of the Company's inventories is shown below (in thousands):
 
 
June 30,
 
December 31,
 
 
2019
 
2018
Supplies
 
$
16,912

 
$
12,571

Raw materials
 
344

 
199

Work in process
 
2,338

 
3,273

Finished goods
 
2,520

 
5,259

Total inventories
 
$
22,114

 
$
21,302