Note 12 - Subsequent Events	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	*12.* Subsequent Events Construction Loan Agreement On October 4, 2022, the Company entered into a Construction Loan Agreement (“Loan Agreement”) with Greater Nevada Credit Union (“GNCU”). Pursuant to the Loan Agreement, the lender has made available an aggregate principal amount not to exceed $25 million. The loan is secured by all personal property collateral and real property collateral of the Aemetis Biogas 1 LLC. The loan bears interest at a rate of 5.95% per annum and has an USDA annual renewal fee of 0.25%, with interest only payments to be paid in monthly installments, and a maturity date of March 4, 2023, at which time the entire unpaid principal amount, together with accrued and unpaid interest, is expected to be repaid from the proceeds of a term loan that is 80% USDA guaranteed and issued by GNCU pursuant to a USDA Conditional Commitment. The Loan Agreement contains certain financial covenants to be measured as of the last day of each fiscal year beginning fiscal year end 2023, and annually for the term of the loan. The Loan Agreement also contains other affirmative and negative covenants, representations and warranties and events of default customary for loan agreements of this nature. As of September 30, 2022, the Company had no outstanding balance under the Loan Agreement.

Note 12 - Subsequent Events

9 Months Ended

Sep. 30, 2022

12. Subsequent Events

Construction Loan Agreement

On October 4, 2022, the Company entered into a Construction Loan Agreement (“Loan Agreement”) with Greater Nevada Credit Union (“GNCU”). Pursuant to the Loan Agreement, the lender has made available an aggregate principal amount not to exceed $25 million. The loan is secured by all personal property collateral and real property collateral of the Aemetis Biogas 1 LLC. The loan bears interest at a rate of 5.95% per annum and has an USDA annual renewal fee of 0.25%, with interest only payments to be paid in monthly installments, and a maturity date of March 4, 2023, at which time the entire unpaid principal amount, together with accrued and unpaid interest, is expected to be repaid from the proceeds of a term loan that is 80% USDA guaranteed and issued by GNCU pursuant to a USDA Conditional Commitment. The Loan Agreement contains certain financial covenants to be measured as of the last day of each fiscal year beginning fiscal year end 2023, and annually for the term of the loan. The Loan Agreement also contains other affirmative and negative covenants, representations and warranties and events of default customary for loan agreements of this nature. As of September 30, 2022, the Company had no outstanding balance under the Loan Agreement.