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Inventories
 9 Months Ended
Sep. 30, 2019
Inventories  
Inventories

3.   Inventories

Inventories consist of the following:

 

 

 

 

 

 

 

 

 

September 30, 

 

December 31,

 

    

2019

    

2018

Raw materials

 

$

1,642

 

$

1,925

Work-in-progress

 

 

6,078

 

 

3,582

Finished goods

 

 

103,870

 

 

94,330

 

 

$

111,590

 

$

99,837