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Note 7 - Inventory
12 Months Ended
Dec. 31, 2015
Notes to Financial Statements  
Inventory Disclosure [Text Block]
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7
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Inventory
 
Inventory consists of the following (in thousands):
 
 
 
December 31,
 
 
 
2015
 
 
2014
 
Raw materials
  $ 12,388     $ 16,687  
Work in process
    10,366       11,702  
Finished goods
    3,167       6,991  
Reserve for excess and obsolete inventory
    (5,729 )     (6,349 )
    $ 20,192     $ 29,031