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Inventories
 3 Months Ended
Mar. 31, 2016
Inventories  
Inventories

 

5. Inventories

 

Inventories consist of the following, in thousands:

 

 

 

March 31,

 

December 31,

 

March 31,

 

 

 

2016

 

2015

 

2015

 

 

 

(unaudited)

 

 

 

(unaudited)

 

Raw materials

 

$
2,371 

 

$
2,887 

 
3,132 

 

Work in process

 
4,264 

 
3,946 

 
6,328 

 

Finished goods

 
6,409 

 
5,754 

 
4,242 

 

 

 

 

 

 

 

 

 

 

 

$
13,044 

 

$
12,587 

 

$
13,702