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Note 5 - Derivative Financial Instruments (Tables)
 9 Months Ended
Sep. 30, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments [Table Text Block]
Balance Sheet Location
 
September 30,
2014
   
December 31,
2013
 
Derivative assets:
               
Other current assets
 
$
-
   
$
109
 
Other assets, net
   
-
     
8
 
   
$
-
   
$
117
 
                 
Derivative liabilities:
               
Other current liabilities
 
$
73
   
$
-
 
Other long-term liabilities
   
 -
     
-
 
   
$
73
   
$
-
 
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   
September 30,
2014
   
September 30,
2013
 
Increase (decrease) in fair value of derivatives included in other comprehensive income - effective portion
  $ (190 )   $ 1  
Realized gain included in cost of revenues - effective portion
    15       47  
Increase (decrease) in fair value of derivatives included in cost of revenues - ineffective portion
    -       -