XML 70 R58.htm IDEA: XBRL DOCUMENT
v3.24.3

Note 9 - Aemetis Biogas LLC - Series A Preferred Financing (Details Textual) - USD ($) $ / shares in Units, $ in Millions |  |  | 12 Months Ended | 44 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 08, 2024 | Dec. 20, 2018 | Dec. 31, 2022 | Aug. 08, 2022 | Sep. 30, 2024 | Dec. 31, 2023
Common Units [Member] |  |  |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) |  | 5,000,000 |  |  |  |
Preferred Units Series A [Member] |  |  |  |  |  |
Common Units Authorized (in shares) |  | 11,000,000 |  |  |  |
Preferred Units, Authorized (in shares) |  | 6,000,000 |  |  |  |
Preferred Units Series A [Member] | Second Tranche [Member |  |  |  |  |  |
Preferred Units, Issued (in shares) |  |  | 6,000,000 |  |  |
Preferred Units Issued Value |  |  | $ 30.0 |  |  |
Stock Redeemed or Called During Period, Shares (in shares) |  |  |  | 20,000 |  |
Preferred Units Redeemed, Value |  |  |  | $ 0.3 |  |
Series A Preferred Stocks [Member] |  |  |  |  |  |
Common Units Issued (in shares) |  | 6,000,000 |  |  |  |
Common Units Issuance Value (in dollars per share) |  | $ 5 |  |  |  |
PUPA Fifth Amendment [Member] |  |  |  |  |  |
Preferred Units Issued Value | $ 115.5 |  |  |  |  |
Credit Agreement, Interest Rate | 16.00% |  |  |  |  |
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Noncurrent |  |  |  |  | $ 123.9 | $ 113.2
PUPA Fifth Amendment [Member] | Prime Rate [Member] |  |  |  |  |  |
Credit Agreement, Interest Rate | 10.00% |  |  |  |  |

X
- Definition Represents common units authorized. + References No definition available. + Details
Name: | amtx_CommonUnitsAuthorized
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents common units issuance value. + References No definition available. + Details
Name: | amtx_CommonUnitsIssuanceValue
Namespace Prefix: | amtx_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents common units issued. + References No definition available. + Details
Name: | amtx_CommonUnitsIssued
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The interest rate for credit agreement. + References No definition available. + Details
Name: | amtx_CreditAgreementInterestRate
Namespace Prefix: | amtx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents preferred units issued value. + References No definition available. + Details
Name: | amtx_PreferredUnitsIssuedValue
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents preferred units redeemed, value. + References No definition available. + Details
Name: | amtx_PreferredUnitsRedeemedValue
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of preferred units authorized to be issued. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_PreferredUnitsAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of preferred units issued. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_PreferredUnitsIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount that is required to be paid, determined under the conditions specified in the contract, if as of the reporting date, the holder of the share has exercised the right to or the shares are mandatorily redeemable after one year from the reporting date or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481648/480-10-50-2 + Details
Name: | us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of stock bought back by the entity at the exercise price or redemption price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 + Details
Name: | us-gaap_StockRedeemedOrCalledDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CapitalUnitsByClassAxis=amtx_CommonUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PreferredUnitsByNameAxis=amtx_PreferredUnitsSeriesAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NonmonetaryTransactionTypeAxis=amtx_SecondTrancheMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PreferredUnitsByNameAxis=amtx_SeriesAPreferredStocksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PreferredUnitsByNameAxis=amtx_PupaFifthAmendmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |