16. Subsequent Events	12 Months Ended
Dec. 31, 2020
Subsequent Events [Abstract]
Subsequent Events	Subordinated Notes On January 1, 2021, the maturity on two accredited investors Subordinated Notes’ was extended until the earlier of (i) June 30, 2021; (ii) completion of an equity financing by AAFK or Aemetis in an amount of not less than $25 million; (iii) the completion of an Initial Public Offering by AAFK or Aemetis; or (iv) after the occurrence of an Event of Default, including failure to pay interest or principal when due and breaches of note covenants. A 10 percent cash extension fee was paid by adding the fee to the balance of the new Note and 113 thousand common stock warrants were granted with a term of two years and an exercise price of $0.01 per share. Third Eye Reserve Liquidity Facility On March 14, 2021, Third Eye agreed to increase the amount available under a one-year reserve liquidity facility governed by a promissory note to $70.0 million and extend the maturity date to April 1, 2022. Borrowings under the facility are available from March 14, 2021 until maturity on April 1, 2022. Interest on borrowed amounts accrues at a rate of 30% per annum, paid monthly in arrears and may be capitalized and due upon maturity, or 40% if an event of default has occurred and continues. The outstanding principal balance of the indebtedness evidenced by the promissory note, plus any accrued but unpaid interest and any other sums due thereunder, shall be due and payable in full at the earlier to occur of (a) receipt by the Company or its affiliates of proceeds from any sale, merger, equity or debt financing, refinancing or other similar transaction from any third party and (b) April 1, 2022. Any amounts may be re-borrowed up to repaid amounts up until the maturity date of April 1, 2022. The promissory note is secured by liens and security interests upon the property and assets of the Company. In return, the Company will pay a non-refundable standby fee at 2% per annum of the difference between the aggregate principal amount outstanding and the commitment, payable monthly in cash. In addition, if any initial advances are drawn under the facility, the Company will pay a non-refundable one-time fee in the amount of $0.5 million provided that such fee may be added to the principal amount of the promissory note on the date of such initial advance. Third Eye Capital Limited Waiver and Amendment No. 19 On March 14, 2021, Third Eye Capital agreed to Limited Waiver and Amendment No. 19 to the Note Purchase Agreement (“Amendment No. 19”), to (i) provide for a waiver of the ratio of note indebtedness covenant for the quarter ended December 31, 2021, (ii) provide for a waiver of the consolidated unfunded capital expenditures covenant for the quarters through March 31, 2021. We gave the notice to extend the maturity date of the Notes to April 1, 2022 and the extension fee equal to 1% of the Note Indebtedness in respect to each Note, provided half of that such fee may be added to the outstanding principal balance of each Note on the effective date of each such extension and rest of the balance may be payable in cash or common stock within 60 days of the date of such relevant extension. As consideration for such amendment and waivers, the borrowers also agreed to pay Third Eye Capital an amendment and waiver fee of $0.1 million in cash (the “Amendment No. 19 Fee”). At-the-Market Offering Company raised net proceeds of $18.5 million, after deducting issuance costs through its at-the-market offering program subsequent to December 31, 2020.

16. Subsequent Events

12 Months Ended

Dec. 31, 2020

Subordinated Notes

On January 1, 2021, the maturity on two accredited investors Subordinated Notes’ was extended until the earlier of (i) June 30, 2021; (ii) completion of an equity financing by AAFK or Aemetis in an amount of not less than $25 million; (iii) the completion of an Initial Public Offering by AAFK or Aemetis; or (iv) after the occurrence of an Event of Default, including failure to pay interest or principal when due and breaches of note covenants. A 10 percent cash extension fee was paid by adding the fee to the balance of the new Note and 113 thousand common stock warrants were granted with a term of two years and an exercise price of $0.01 per share.

Third Eye Reserve Liquidity Facility

On March 14, 2021, Third Eye agreed to increase the amount available under a one-year reserve liquidity facility governed by a promissory note to $70.0 million and extend the maturity date to April 1, 2022. Borrowings under the facility are available from March 14, 2021 until maturity on April 1, 2022. Interest on borrowed amounts accrues at a rate of 30% per annum, paid monthly in arrears and may be capitalized and due upon maturity, or 40% if an event of default has occurred and continues. The outstanding principal balance of the indebtedness evidenced by the promissory note, plus any accrued but unpaid interest and any other sums due thereunder, shall be due and payable in full at the earlier to occur of (a) receipt by the Company or its affiliates of proceeds from any sale, merger, equity or debt financing, refinancing or other similar transaction from any third party and (b) April 1, 2022. Any amounts may be re-borrowed up to repaid amounts up until the maturity date of April 1, 2022. The promissory note is secured by liens and security interests upon the property and assets of the Company. In return, the Company will pay a non-refundable standby fee at 2% per annum of the difference between the aggregate principal amount outstanding and the commitment, payable monthly in cash. In addition, if any initial advances are drawn under the facility, the Company will pay a non-refundable one-time fee in the amount of $0.5 million provided that such fee may be added to the principal amount of the promissory note on the date of such initial advance.

Third Eye Capital Limited Waiver and Amendment No. 19

On March 14, 2021, Third Eye Capital agreed to Limited Waiver and Amendment No. 19 to the Note Purchase Agreement (“Amendment No. 19”), to (i) provide for a waiver of the ratio of note indebtedness covenant for the quarter ended December 31, 2021, (ii) provide for a waiver of the consolidated unfunded capital expenditures covenant for the quarters through March 31, 2021. We gave the notice to extend the maturity date of the Notes to April 1, 2022 and the extension fee equal to 1% of the Note Indebtedness in respect to each Note, provided half of that such fee may be added to the outstanding principal balance of each Note on the effective date of each such extension and rest of the balance may be payable in cash or common stock within 60 days of the date of such relevant extension. As consideration for such amendment and waivers, the borrowers also agreed to pay Third Eye Capital an amendment and waiver fee of $0.1 million in cash (the “Amendment No. 19 Fee”).

At-the-Market Offering

Company raised net proceeds of $18.5 million, after deducting issuance costs through its at-the-market offering program subsequent to December 31, 2020.