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Inventories
6 Months Ended
Jun. 30, 2011
Inventories [Abstract]  
Inventories
3.  
Inventories
   
Inventories consist of the following as of June 30, 2011:
         
    $ thousands  
Raw materials
  $ 1,783  
Packaging materials
    1,704  
Work in process
    23  
Finished goods
    619  
Obsolescence allowance
    (565 )
 
     
Total
  $ 3,564