XML 26 R11.htm IDEA: XBRL DOCUMENT v3.10.0.1
Inventories
12 Months Ended
Dec. 31, 2018
Inventories  
Inventories

4. Inventories

Inventories consist of the following, in thousands of dollars:

 

 

 

 

 

 

 

 

 

 

December 31, 

 

December 31, 

 

    

2018

    

2017

Raw materials

 

$

5,742

 

$

2,995

Work in process

 

 

7,275

 

 

8,873

Finished goods

 

 

12,642

 

 

4,436

 

 

$

25,659

 

$

16,304