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INVENTORY
 9 Months Ended
Sep. 30, 2017
INVENTORY  
INVENTORY

5. Inventory

 

Inventory consisted of the following:

 

 

 

 

 

 

 

 

 

 

As of September 30, 

 

As of December 31, 

 

 

2017

 

2016

Raw materials

 

$

599

 

$

294

Work in process

 

 

168

 

 

67

Finished goods

 

 

634

 

 

955

Total inventory

 

$

1,401

 

$

1,316

 

The aggregate charges related to excess inventory for both the nine months ended September 30, 2017 and 2016 were immaterial. These expenses were recorded as a component of cost of product revenues.