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Inventories (Tables)
 3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventory

Inventories consist of the following (in thousands):

 

 

 

March 31,

2017

 

 

December 31,

2016

 

Raw materials

 

$

1,344

 

 

$

856

 

Work in process

 

 

2,876

 

 

 

3,806

 

Finished goods

 

 

1,474

 

 

 

959

 

Total

 

$

5,694

 

 

$

5,621