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Note 7 - Debt (Details) (USD $)
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3 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2013
|
Mar. 31, 2012
|
Jul. 02, 2009
BZD
|
Mar. 31, 2013
Notes Payable to Shareholder
|
Dec. 31, 2012
Notes Payable to Shareholder
|
Mar. 31, 2013
Notes Payable to Shareholder
Secured Debt
|
Mar. 31, 2013
Notes Payable to Shareholder
Secured Debt
BZD
|
Mar. 31, 2013
Asideros I
|
Mar. 31, 2013
Asideros 2
|
Mar. 31, 2013
Asideros 2
Parcel1Member
|
Mar. 31, 2013
Asideros 2
Parcel2Member
|
Mar. 31, 2013
Asideros 3
|
Mar. 31, 2013
Sustainable Oils LLC Acquisition
|
Dec. 31, 2012
Mobius Consulting Agreement
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Nov. 01, 2012
Mobius Consulting Agreement
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Mar. 31, 2013
GCE Mexico I LLC And Subsidiaries
Convertible Debt Securities
|
|
| Debt Instrument, Face Amount | $ 2,051,282 | $ 963,382 | $ 2,095,525 | $ 1,300,000 | $ 75,000 | $ 567,000 | ||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 12.00% | 8.00% | 12.00% | 12.00% | 10.00% | 5.00% | 5.97% | |||||||||
| Debt Instrument, Periodic Payment | 5,000 | |||||||||||||||
| Debt Instrument, Maturity Date | Aug. 15, 2012 | Oct. 01, 2021 | Sep. 01, 2014 | |||||||||||||
| Long-term Debt, Gross | 516,139 | 26,000 | 26,000 | 274,341 | 526,462 | |||||||||||
| Interest Payable, Current | 49,540 | 49,540 | ||||||||||||||
| Interest Costs Capitalized | 5,379 | 10,322 | ||||||||||||||
| Class of Warrant or Right, Outstanding | 1,890,000 | |||||||||||||||
| Debt Instrument, Maturity Date, Description | The initial mortgage, including any unpaid interest, is due in April 2018 | The second mortgage, including any unpaid interest, is due in February 2020 | payable upon the earlier of the following: (a) to the extent of 35.1% of, and on the third business day after, the receipt by the Company of any Qualified Funding; or (b) September 13, 2014 (the Maturity Date). The term Qualified Funding means all equity funding in excess of the $800,000, in the aggregate, received by the Company, its subsidiary or an affiliate after the date hereof for its Camelina business | 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 Companys default thereunder. The maturity date of the Convertible Notes may be extended by written notice made by the note holders at any time prior to March 16, 2012. These notes have been extended to September 2013 | ||||||||||||
| Debt Instrument, Interest Rate Terms | payable quarterly in cash, in arrears, on each nine-month 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. | |||||||||||||||
| Debt Instrument, Convertible, Conversion Price | $ 0.03 | |||||||||||||||
| Land, in acres | 5,000 | 4,500 | 600 | 5,600 | ||||||||||||
| Purchase of land | 2,051,282 | 963,382 | 2,095,525 | |||||||||||||
| Gains (Losses) on Extinguishment of Debt | $ 0 | $ 514,473 | ||||||||||||||