Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Debt (Details)

Note 6 - Debt (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Jan. 31, 2014
Mar. 31, 2013
Mar. 31, 2010
Notes Payable To Shareholder            
Debt Instrument, Carrying Amount $ 26,000 $ 26,000        
Debt Instrument, Interest Rate, Stated Percentage 12.00%          
Interest Payable, Current $ 59,641 $ 58,865        
Convertible Debt Securities | Investor            
Debt Instrument, Interest Rate, Stated Percentage     8.00% 8.00%    
Debt Instrument, Face Amount     $ 130,000 $ 130,000    
Class of Warrant, Outstanding       1,083,332    
Debt Instrument, Convertible, Conversion Price $ 1.448          
Debt Instrument, Unamortized Discount     $ 73,000 $ 73,000    
Convertible Debt Securities | GCE Mexico I LLC And Subsidiaries            
Debt Instrument, Interest Rate, Stated Percentage 5.97%          
Debt Instrument, Face Amount           $ 567,000
Class of Warrant, Outstanding 1,890,000          
Debt Instrument, Maturity Date, Description The Convertible Notes mature on the earlier of (i) March 16, 2012, or (ii) upon written demand of payment by the note holders following the Company's default thereunder. The maturity date of the Convertible Notes have been extended until September 15, 2016          
Debt Instrument, Interest Rate Terms payable quarterly in cash, in arrears, on each year anniversary of the issuance of the convertible notes. The Company may at its option, in lieu of paying interest in cash, pay interest by delivering a number of unregistered shares of its common stock equal to the quotient obtained by dividing the amount of such interest by the arithmetic average of the volume weighted average price for each of the five consecutive trading days immediately preceding the interest payment date          
Sustainable Oils LLC Acquisition            
Debt Instrument, Carrying Amount         $ 1,343,856  
Debt Instrument, Interest Rate, Stated Percentage         18.00%  
Debt Instrument, Face Amount         $ 1,300,000