The components of inventory are summarized below (in thousands):

 

 

 

 

 

 

 

 

 

 

December 31, 

 

December 31, 

 

 

    

2016

    

2015

 

Inventories:

 

 

 

 

 

 

 

Raw materials

 

$

17,485

 

$

19,532

 

Work in process

 

 

20,410

 

 

16,007

 

Finished goods

 

 

2,257

 

 

2,473

 

 

 

$

40,152

 

$

38,012