15. Subsequent Events	3 Months Ended
Mar. 31, 2013
Subsequent Events [Abstract]
15. Subsequent Events	Third Eye Capital Debt $3.1 Million and $2 Million Working Capital Draw Agreements On April 15, 2013, Third Eye Capital agreed to the Limited Waiver and Amendment No. 3 to waive the following covenants of the Borrower in their entirety: (i) Borrowers’ obligation to obtain an NASDAQ listing by April 1, 2013; (ii) Borrower’s obligation to cause the Chairman to enter into certain agreements; and (iii) the Company’s obligation to deliver an auditor opinion as of and for the period ended December 31, 2012 without a going concern qualification. In addition, the Administrative Agent agreed to (i) extend the completion date of the conversion of the Keyes Plant to accommodate an 80:20 corn-to-milo ratio to May 31, 2013, (ii) amend the redemption provision to require 50% of the net proceeds of any equity offering in excess of $1.5 million to repay Amendment No.2 advance and 100% of the net proceeds of any equity offering in excess of $7.0 million to repay Amendment No. 3,and (iii) increase the balance of the Revolving Credit Facility by an amount equal to the February 2013 $3.1 million advance and the $1.5 million waiver fee. In consideration for the Limited Waiver and Amendment, the Company agreed to: (i) pay a waiver fee comprised of $500,000 (which is added to the outstanding principal balance of the Revolving Notes) and (ii) require McAfee Capital, LLC to pledge an additional 6,231,159 Common Shares of the Parent to Agent, together with the delivery of stock certificates for such shares and stock powers. The $3.1 million advance, together with all accumulated interest, shall be repaid in full no later than September 30, 2013. On April 19, 2013, Third Eye Capital agreed to the Amended and Restated Note Purchase Agreement Amendment No. 4 providing additional borrowings of $2,000,000 with the same terms as the existing Revolving Credit Facility, subject to customary closing conditions. In consideration for the Amended and Restated Note Purchase Agreement Amendment No 4, the Company agreed to (i) pay the Lender a placement fee of $300,000 and (ii) issue the Lender 1,000,000 shares of common stock of Aemetis, Inc. Amendment No. 4 has been secured by a blanket lien on the assets of Eric A. McAfee, the Company’s CEO and Chairman of the Board. Revolving Line of Credit Agreement On April 18, 2013, Laird Q. Cagan agreed to Satisfaction Agreement for himself and on behalf of other holders to discharge the interest and fees outstanding under the Borrowers Revolving Line of Credit Agreement dated August 17, 2009, amended October 15, 2012 (the “Credit Agreement”) in common stock of the Company. Pursuant to the Satisfaction Agreement, the Company issued to the Holders an aggregate of 1,826,547 shares of common stock in payment for $991,946 of interest and fees outstanding under the Credit Agreement, return of an existing deposit held by Aemetis Advanced Fuels, Keyes, Inc. in the amount of $170,000 and issued new Notes in the aggregate amount of $560,612 in payment of the remaining principal, interest and fees. As of April 18, 2013, all obligations of both parties pursuant to the Credit Agreement have been met and fully discharged. Restart of Keyes, California Facility On April 18, 2013, the ethanol facility in Keyes, California completed planned maintenance and preparations for the production of Advanced Biofuel under recent EPA rulings, and restarted production.

15. Subsequent Events

3 Months Ended

Mar. 31, 2013

Third Eye Capital Debt $3.1 Million and $2 Million Working Capital Draw Agreements

On April 15, 2013, Third Eye Capital agreed to the Limited Waiver and Amendment No. 3 to waive the following covenants of the Borrower in their entirety: (i) Borrowers’ obligation to obtain an NASDAQ listing by April 1, 2013; (ii) Borrower’s obligation to cause the Chairman to enter into certain agreements; and (iii) the Company’s obligation to deliver an auditor opinion as of and for the period ended December 31, 2012 without a going concern qualification. In addition, the Administrative Agent agreed to (i) extend the completion date of the conversion of the Keyes Plant to accommodate an 80:20 corn-to-milo ratio to May 31, 2013, (ii) amend the redemption provision to require 50% of the net proceeds of any equity offering in excess of $1.5 million to repay Amendment No.2 advance and 100% of the net proceeds of any equity offering in excess of $7.0 million to repay Amendment No. 3,and (iii) increase the balance of the Revolving Credit Facility by an amount equal to the February 2013 $3.1 million advance and the $1.5 million waiver fee. In consideration for the Limited Waiver and Amendment, the Company agreed to: (i) pay a waiver fee comprised of $500,000 (which is added to the outstanding principal balance of the Revolving Notes) and (ii) require McAfee Capital, LLC to pledge an additional 6,231,159 Common Shares of the Parent to Agent, together with the delivery of stock certificates for such shares and stock powers. The $3.1 million advance, together with all accumulated interest, shall be repaid in full no later than September 30, 2013.

On April 19, 2013, Third Eye Capital agreed to the Amended and Restated Note Purchase Agreement Amendment No. 4 providing additional borrowings of $2,000,000 with the same terms as the existing Revolving Credit Facility, subject to customary closing conditions. In consideration for the Amended and Restated Note Purchase Agreement Amendment No 4, the Company agreed to (i) pay the Lender a placement fee of $300,000 and (ii) issue the Lender 1,000,000 shares of common stock of Aemetis, Inc. Amendment No. 4 has been secured by a blanket lien on the assets of Eric A. McAfee, the Company’s CEO and Chairman of the Board.

Revolving Line of Credit Agreement

On April 18, 2013, Laird Q. Cagan agreed to Satisfaction Agreement for himself and on behalf of other holders to discharge the interest and fees outstanding under the Borrowers Revolving Line of Credit Agreement dated August 17, 2009, amended October 15, 2012 (the “Credit Agreement”) in common stock of the Company. Pursuant to the Satisfaction Agreement, the Company issued to the Holders an aggregate of 1,826,547 shares of common stock in payment for $991,946 of interest and fees outstanding under the Credit Agreement, return of an existing deposit held by Aemetis Advanced Fuels, Keyes, Inc. in the amount of $170,000 and issued new Notes in the aggregate amount of $560,612 in payment of the remaining principal, interest and fees. As of April 18, 2013, all obligations of both parties pursuant to the Credit Agreement have been met and fully discharged.

Restart of Keyes, California Facility

On April 18, 2013, the ethanol facility in Keyes, California completed planned maintenance and preparations for the production of Advanced Biofuel under recent EPA rulings, and restarted production.