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Note 2 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Inventory, Current [Table Text Block]
   
December 31,
2011
   
June 30,
2012
 
Raw materials
  $ 27,556     $ 36,071  
Finished goods (see Note 4)
    34,309       18,854  
Total inventory
  $ 61,865     $ 54,925