14. Subsequent Events	3 Months Ended
Mar. 31, 2014
Subsequent Events [Abstract]
14. Subsequent Events	*Purchase of Corn Oil Separation unit* On April 9, 2014, the Company entered into an agreement to purchase a second Corn Oil separation unit for the plant in Keyes, CA at a cost of approximately $1.0 million through an initial deposit plus a schedule of future periodic payments. Aemetis made the initial payment, and will begin the first of the periodic payments upon installation and startup of the equipment. *Reverse Stock Split* As discussed in further detail in Note 1 Nature of Activities and Summary of Significant Accounting Policies above, the Reverse Stock Split became effective with FINRA on May 15, 2014 pursuant to which every ten shares of issued and outstanding and authorized Aemetis common stock was automatically combined into one share of common stock with any fractional shares rounded up to the next whole share and without any change in the par value per share. The Reverse Stock Split reduced the number of outstanding shares of Aemetis common stock from approximately 201.7 million shares to approximately 20.2 million shares. The authorized shares of Aemetis common stock were also proportionally reduced from 400 million shares to 40 million shares. The Reverse Stock Split is intended to increase the market price of our common stock to enhance our ability to meet the initial listing requirements of the NASDAQ Global Market and to make our common stock more attractive to a broader range of institutional and other investors. The Reverse Stock Split was approved by our board of directors and our stockholders on April 10, 2014 and May 9, 2014, respectively, and we filed a Certificate of Change with the Secretary of State of the State of Nevada to effect the Reverse Stock Split on May 9, 2014. Unless otherwise indicated, all share amounts, per share data, share prices, exercise prices and conversion rates set forth in these notes and the accompanying consolidated financial statements have, where applicable, been adjusted retroactively to reflect the Reverse Stock Split. *Third Eye Capital Debt Agreement* On May 13, 2014, the Company and its wholly-owned subsidiaries AAFK and Aemetis Facility Keyes, Inc. entered into a Limited Waiver and Amendment No. 7 to the Note Purchase Agreement with Third Eye Capital, Third Eye Capital Credit Opportunities Fund - Insight Fund and Sprott PC Trust. The Limited Waiver and Amendment No. 7 amends the Note Purchase Agreement to extend the maturity date of the Notes to July 1, 2015, modify the waterfall table, fix the interest rate at 14%, and redefine the operating cash available to the Company for operating expenses. As consideration, the Company is required to pay an additional extension fee of $2.0 million plus an escalating monitoring fee beginning January 2015.

14. Subsequent Events

3 Months Ended

Mar. 31, 2014

Purchase of Corn Oil Separation unit

On April 9, 2014, the Company entered into an agreement to purchase a second Corn Oil separation unit for the plant in Keyes, CA at a cost of approximately $1.0 million through an initial deposit plus a schedule of future periodic payments. Aemetis made the initial payment, and will begin the first of the periodic payments upon installation and startup of the equipment.

Reverse Stock Split

As discussed in further detail in Note 1 Nature of Activities and Summary of Significant Accounting Policies above, the Reverse Stock Split became effective with FINRA on May 15, 2014 pursuant to which every ten shares of issued and outstanding and authorized Aemetis common stock was automatically combined into one share of common stock with any fractional shares rounded up to the next whole share and without any change in the par value per share. The Reverse Stock Split reduced the number of outstanding shares of Aemetis common stock from approximately 201.7 million shares to approximately 20.2 million shares. The authorized shares of Aemetis common stock were also proportionally reduced from 400 million shares to 40 million shares.

The Reverse Stock Split is intended to increase the market price of our common stock to enhance our ability to meet the initial listing requirements of the NASDAQ Global Market and to make our common stock more attractive to a broader range of institutional and other investors. The Reverse Stock Split was approved by our board of directors and our stockholders on April 10, 2014 and May 9, 2014, respectively, and we filed a Certificate of Change with the Secretary of State of the State of Nevada to effect the Reverse Stock Split on May 9, 2014.

Unless otherwise indicated, all share amounts, per share data, share prices, exercise prices and conversion rates set forth in these notes and the accompanying consolidated financial statements have, where applicable, been adjusted retroactively to reflect the Reverse Stock Split.

Third Eye Capital Debt Agreement

On May 13, 2014, the Company and its wholly-owned subsidiaries AAFK and Aemetis Facility Keyes, Inc. entered into a Limited Waiver and Amendment No. 7 to the Note Purchase Agreement with Third Eye Capital, Third Eye Capital Credit Opportunities Fund - Insight Fund and Sprott PC Trust. The Limited Waiver and Amendment No. 7 amends the Note Purchase Agreement to extend the maturity date of the Notes to July 1, 2015, modify the waterfall table, fix the interest rate at 14%, and redefine the operating cash available to the Company for operating expenses. As consideration, the Company is required to pay an additional extension fee of $2.0 million plus an escalating monitoring fee beginning January 2015.