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Note 9 - Derivative liabilities (Tables)
6 Months Ended
Jun. 30, 2013
Derivative Liabilities [Abstract]  
Schedule of fair value of derivative liabilities
    Liability Derivatives  
    June 30, 2013     December 31, 2012  
    Balance Sheet 
Location
    Fair
Value
    Balance Sheet
Location
    Fair 
Value
 
Derivatives not designated as hedging instruments                                
Secured Promissory Notes Warrants     Derivative Liabilities     $ 40,000       Derivative Liabilities     $ 68,250
Schedule of summarizes liabilities measured at fair value on a recurring basis
    June 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   $     $ 40,000     $     $ 40,000     $     $ 68,250     $     $   68,250