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Inventories
 3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Inventories

(3) Inventories

Inventories consist of the following:

 

 

 

March 31,

 

 

December 31,

 

 

 

2017

 

 

2016

 

 

 

(In thousands)

 

Raw materials

 

$

3,556

 

 

$

3,511

 

Finished goods

 

 

11,576

 

 

 

9,357

 

Total

 

$

15,132

 

 

$

12,868