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Note 5 - Derivative Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments [Table Text Block]
Balance Sheet Location
 
March 31,
2014
   
December 31,
2013
 
Derivative assets:
               
Deposits and other current assets
 
$
 23
   
$
109
 
Other assets, net
   
 4
     
8
 
   
$
 27
   
$
117
 
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   
March 31,
2014
   
March 31,
2013
 
Increase (decrease) in fair value of derivatives included in other comprehensive income (loss) - effective portion
  $ (90 )   $ 43  
Realized gain included in cost of revenues - effective portion
    14       26  
Increase (decrease) in fair value of derivatives included in cost of revenues - ineffective portion
    -       -