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Note 9 - Derivative Financial Instruments (Tables)
 12 Months Ended
Dec. 31, 2012
Schedule of Derivative Instruments [Table Text Block]
   
As of December 31,
 
Balance Sheet Location
 
2012
   
2011
 
Derivative assets:
           
Deposits and other current assets                                                                    
  $ 7     $ --  
Other assets, net                                                                    
    1       --  
    $ 8     $ --  
Derivative liabilities:
               
Other current liabilities                                                                    
  $ --     $ 147  
Other long-term liabilities                                                                    
    --       76  
    $ --     $ 223  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
Years Ended December 31,
 
 
2012
 
2011
 
2010
 
Increase (decrease) in fair value of derivatives included in other comprehensive income (effective portion)
  $ 231     $ (223 )   $ --  
Realized gain (loss) included in cost of revenues (effective portion)
    (66 )     (111 )     --  
Increase (decrease) in fair value of derivatives included in cost of revenues (ineffective portion)
    --       --       --