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Inventory (Tables)
9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Components of Inventory

Inventory is valued at the lower of cost or market, with cost determined using the first-in, first-out method, and is comprised of the following (in thousands):  

 

 

September 30,

 

 

December 31,

 

 

2016

 

 

2015

 

Raw materials

$

4,742

 

 

$

3,627

 

Work-in-process

 

1,651

 

 

 

1,379

 

Finished goods

 

7,150

 

 

 

7,560

 

Inventory, net

$

13,543

 

 

$

12,566