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Inventories
 6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Inventories

Note 5. Inventories

Inventories consisted of the following (in thousands):

 

 

 

June 30,

 

 

December 31,

 

 

 

2017

 

 

2016

 

Raw materials

 

$

28,524

 

 

$

29,278

 

Work in process

 

 

26,774

 

 

 

21,169

 

Finished goods

 

 

4,455

 

 

 

2,648

 

Total inventories

 

$

59,753

 

 

$

53,095