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INVENTORY
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
INVENTORY

5. INVENTORY

Inventory at September 30, 2018 and December 31, 2017 consisted of the following (in thousands):

 

 

 

September 30,

2018

 

 

December 31,

2017

 

Raw materials

 

$

4,773

 

 

$

 

Work in process

 

 

270

 

 

 

491

 

Finished goods

 

 

1,011

 

 

 

533

 

Total inventory

 

$

6,054

 

 

$

1,024