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Inventories (Tables)
 9 Months Ended
Sep. 30, 2017
Inventories  
Schedule of current inventories

The following table presents inventories as of December 31, 2016 and September 30, 2017 (in thousands):

 

 

 

 

 

 

 

 

 

 

December 31,

 

September 30,

 

    

2016

    

2017

Raw materials

 

$

13,263

 

$

31,685

Work in process

 

 

584

 

 

16,810

Finished goods

 

 

853

 

 

2,032

   Total inventories

 

$

14,700

 

$

50,527