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Inventories
 3 Months Ended
Mar. 31, 2020
Inventories  
Inventories

5.  Inventories

 

Inventories consisted of the following:

 

 

 

 

 

 

 

 

 

    

March 31, 2020

    

December 31, 2019

 

 

 

 

 

 

 

Raw materials

 

$

16,634

 

$

16,492

Finished goods

 

 

4,384

 

 

5,047

Inventory reserve

 

 

(1,872)

 

 

(1,347)

 

 

$

19,146

 

$

20,192