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Note 7 - Warrants (Tables)
9 Months Ended
Sep. 30, 2013
Warrants [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Number of

Shares

  Price Range

Outstanding as of December 31, 2011

    7,280,683   0.125

2.00 

Issued

    8,158,449   0.40

1.00 

Exercised

      $  

Expired

      $  
               

Outstanding as of September 30, 2012

    15,439,132   0.125

 –

1.00 
   

Number of

Shares

  Price Range

Outstanding as of December 31, 2012

    8,390,741   0.125

1.00 

Issued

    2,603,329   0.50 

1.00 

Exercised

      $  

Expired

    (1,275,298 ) 0.50

 –

1.00 
               

Outstanding as of September 30, 2013

    9,718,772   0.125

1.00 
Schedule of Assumptions Used to Determine Fair Value of Warrants [Table Text Block]
   

2012

   

2013

 

Risk free interest rate

    .57

%

     

Expected volatility

    489

%

     

Expected dividend yield

           

Forfeiture rate

           

Expected life in years

    5