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Note 9 - Derivative liabilities (Tables)
9 Months Ended
Sep. 30, 2013
Derivative Liabilities [Abstract]  
Schedule of fair value of derivative liabilities
    Liability Derivatives  
    September 30, 2013     December 31, 2012  
    Balance Sheet   Fair     Balance Sheet   Fair  
    Location   Value     Location   Value  
Derivatives not designated as hedging instruments                        
Secured Promissory Notes Warrants   Derivative Liabilities   $ 80,000     Derivative Liabilities   $ 68,250  
Schedule of liabilities measured at fair value on a recurring basis
    September 30, 2013     December 31, 2012  
Fair Value Measurements Using:   Level 1     Level 2     Level 3     Total     Level 1     Level 2     Level 3     Total  
Liabilities                                                                
Derivative Liabilities   $     $ 80,000     $     $ 80,000     $     $ 68,250     $     $ 68,250