XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.22.1

Aemetis Biogas LLC - Series A Preferred Financing and Variable Interest Entity (Details Narrative) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 20, 2018 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Totaling Of Series A Preferred Stock Unit |  | $ 51,400,000 |  |
Total Assets Of Abgl Company |  | 49,700,000 |  |
Long-term Liabilities |  | 47,700,000 |  | $ 45,000,000.0
Preferred Units Redeemed Value |  | 300,000 |  |
Accretion Expense |  | 3,700,000 |  | 3,200,000
Preferred Units Issued Value |  | $ 3,100,000 |  |
Preferred Stock Unit |  | 626,000 |  |
Preferred Units Series A [Member] | Second Tranche [Member] |  |  |  |
Stock Redeemed Or Called During Period Shares |  | 20,000 | 20,000 |
Reduced Redemption Shares |  | 20,000 |  |
Preferred Stock Unit |  | $ 89,700,000 |  | $ 300,000
Reduced Redemption Shares Amount |  | 14,000,000.0 |  |
Preferred Units Series A [Member] | First Tranche [Member] |  |  |  |
Preferred Stock Amunt |  | $ 16,000,000.0 |  |
Preferred Shares Issued |  | 2,800,000 |  |
Series A Preferred Stocks [Member] |  |  |  |
Conversion Of Common Stock Into Shares | 1,200,000 |  |  |
Common Stock Shares | 6,000,000 |  |  |
Per Shares | $ 5.00 |  |  |
Proceeds From Preferred Stock | $ 30,000,000 |  |  |
Additional Common Unit | 5,000,000 |  |  |
Property Tax Accrual Amount |  | $ 0 |  |
Preferred Units Series A [Member] |  |  |  |
Preferred Stock Unit |  | 3,200,000 |  |
Conversion Of Common Stock Into Shares | 1,200,000 |  |  |
Redemption Unit Value |  | $ 3,000,000 |  |
Total Amount | $ 30,000,000 |  |  |
Shares Percentage | 75.00% | 75.00% |  |
Increases Payment Of Cash Flow | 100 |  |  |
Preferred Stock Shares Authorized | 11,000,000 | 11,000,000 |  |
Convertible Preferred Stock | 6,000,000 | 6,000,000 |  |
Preference Payments | $ 0.50 |  |  |
Maximum Number Of Shares | 5,000,000 |  |  |
Redemption Per Share | $ 15 |  |  |
Cash Flow Amount | 90,000,000 |  |  |
Paid Fees | $ 900,000 |  |  |
Increases Conversion Of Common Stock Units | 5,000,000 |  |  |
Redemption Payments Increased Rate |  | 100.00% |  |
Initial Rate Free Cash Flows |  | 75.00% |  |

X
- References No definition available. + Details
Name: | amtx_CommonUnitsAuthorized
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_CommonUnitsIssuanceValue
Namespace Prefix: | amtx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_CommonUnitsIssued
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_FeesAndCommissionTransferAgent
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_FreeCashFlowGeneratedByABGL
Namespace Prefix: | amtx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_IncreasesConversionOfCommonStockUnits
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_InitialRateFreeCashFlows
Namespace Prefix: | amtx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_MaximumNumberOfShares
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PreferredStockUnit
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_PreferredUnitDividendRatePerDollarAmount
Namespace Prefix: | amtx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsIssuedValue
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsIssuedValue1
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsIssuedValue2
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsRedeemed
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsRedeemedValue
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsRedeemedValue1
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PreferredUnitsReservedForFutureIssuance
Namespace Prefix: | amtx_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_ProceedsFromIssuanceOfCommonUnits
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_PropertyTaxAccrualAmount
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_RedeemableNoncontrollingInterestEquityRedemptionValueTotal
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_RedemptionPaymentsIncreasedRate
Namespace Prefix: | amtx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | amtx_SeriesAPreferredUnitCurrent
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_SeriesAPreferredUnitsValue
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | amtx_TotalAssetsOfAbglCompany
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 + Details
Name: | us-gaap_ConversionOfStockSharesIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentCollateralAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Discussion of the facts and amounts pertaining to each failure to comply with an affirmative or negative covenant of a long-term debt instrument, including violating payment terms or an inability to meet certain minimum financial requirements or achieve or maintain certain financial ratios. The discussion would generally be expected to also include whether or not the failure can and will be overcome and a description of the terms of any waivers, including the amount of the waiver and the period of time covered by the waiver, and if reclassification of long-term debt to current has been made in the current balance sheet. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(c)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123465755&loc=SL6230698-112601 + Details
Name: | us-gaap_DefaultLongtermDebtDescriptionOfViolationOrEventOfDefault
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities. + References No definition available. + Details
Name: | us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of preferred units issued. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_PreferredUnitsIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Redemption value, as if currently redeemable, of redeemable noncontrolling interest for preferred shares, units or ownership interests classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 24(b) -URI http://asc.fasb.org/extlink&oid=122040564&loc=SL6540498-122764 + Details
Name: | us-gaap_RedeemableNoncontrollingInterestEquityPreferredRedemptionValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares of stock issued during the period pursuant to acquisitions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesAcquisitions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of stock issued attributable to transactions classified as other. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
Name: | us-gaap_StockRedeemedOrCalledDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | us-gaap_TransactionTypeAxis=amtx_FirstTrancheMember
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_PreferredUnitsSerieAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |