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Inventories (Tables)
 6 Months Ended
Jun. 30, 2017
Inventories  
Schedule of current inventories

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

 

 

 

 

 

 

 

 

 

 

December 31,

 

June 30,

 

    

2016

    

2017

Raw materials

 

$

13,263

 

$

19,742

Work in process

 

 

584

 

 

7,083

Finished goods

 

 

853

 

 

1,460

Total inventories

 

$

14,700

 

$

28,285