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Note 3 - Share Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
   
Three Months Ended September 30,
   
Three Months Ended September 30,
 
   
2012
   
2011
 
             
Selling, general and administrative
  $ 5,637     $ 5,436  
Research, development and engineering
    1,308       7,502  
    $ 6,945     $ 12,938  
   
Nine Months Ended September 30,
   
Nine Months Ended September 30,
 
   
2012
   
2011
 
             
Selling, general and administrative
  $ 19,022     $ 11,596  
Research, development and engineering
    26,032       37,671  
    $ 45,054     $ 49,267