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Note 6 - Inventory
12 Months Ended
Dec. 31, 2014
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]

(6)           Inventory


Inventory consists of the following (in thousands):


    December 31,  
   

2014

   

2013

 

Raw materials

  $ 16,687     $ 19,372  

Work in process

    11,702       16,436  

Finished goods

    6,991       5,017  

Reserve for excess and obsolete inventory

    (6,349 )     (6,403 )
    $ 29,031     $ 34,422