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Note 8 - Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
         
Fair Value Measurements Using
 
   
Total Carrying Value
   
Quoted Prices in Active Markets (Level 1)
   
Significant Other Observable Inputs (Level 2)
   
Significant Unobservable Inputs
(Level 3)
 
Forward exchange contracts – assets
  $ 211     $ 0     $ 211     $ 0  
Forward exchange contracts – liabilities
    525       0       525       0  
Contingent purchase price (“CPP”) – Palladium
    1,909       0       0       1,909