16. Subsequent Events	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Subordinated Notes On January 1, 2019, the maturity on two accredited investor's Subordinated Notes was extended until the earlier of (i) June 30, 2019; (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 in common stock warrants were granted with a term of two years and an exercise price of $0.01 per share. Third Eye Amendment On March 11, 2019, Third Eye Capital agreed to a Limited Waiver and Amendment No. 15 to the Note Purchase Agreement, to waive the ratio of note indebtedness covenant until January 1, 2020. As consideration for such amendment and waiver, the Company agreed to pay Third Eye Capital an amendment and waiver fee of $1.0 million to be added to the redemption fee on the note. Third Eye Reserve Liquidity Facility On March 11, 2019, Third Eye agreed to increase the amount available under a one-year reserve liquidity facility governed by a promissory note for eight million dollars and extend the maturity date to April 1, 2020. Borrowings under the facility are available from March 11, 2019 until maturity on April 1, 2020. Interest on borrowed amounts accrues at a rate of 30% per annum, paid monthly in arrears, 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) the closing of any new debt or equity financing, refinancing or other similar transaction between Third Eye Capital or any fund or entity arranged by them and the Company or its affiliates, (b) 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 (c) April 1, 2020. The promissory note is secured by liens and security interests upon the property and assets of the Company. If any amounts are drawn under the facility, the Company will pay a non-refundable fee in the amount of $200,000, payable from the proceeds of the first drawing under the facility.

16. Subsequent Events

12 Months Ended

Dec. 31, 2018

Subordinated Notes

On January 1, 2019, the maturity on two accredited investor's Subordinated Notes was extended until the earlier of (i) June 30, 2019; (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 in common stock warrants were granted with a term of two years and an exercise price of $0.01 per share.

Third Eye Amendment

On March 11, 2019, Third Eye Capital agreed to a Limited Waiver and Amendment No. 15 to the Note Purchase Agreement, to waive the ratio of note indebtedness covenant until January 1, 2020. As consideration for such amendment and waiver, the Company agreed to pay Third Eye Capital an amendment and waiver fee of $1.0 million to be added to the redemption fee on the note.

Third Eye Reserve Liquidity Facility

On March 11, 2019, Third Eye agreed to increase the amount available under a one-year reserve liquidity facility governed by a promissory note for eight million dollars and extend the maturity date to April 1, 2020. Borrowings under the facility are available from March 11, 2019 until maturity on April 1, 2020. Interest on borrowed amounts accrues at a rate of 30% per annum, paid monthly in arrears, 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) the closing of any new debt or equity financing, refinancing or other similar transaction between Third Eye Capital or any fund or entity arranged by them and the Company or its affiliates, (b) 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 (c) April 1, 2020. The promissory note is secured by liens and security interests upon the property and assets of the Company. If any amounts are drawn under the facility, the Company will pay a non-refundable fee in the amount of $200,000, payable from the proceeds of the first drawing under the facility.