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v3.22.1

Agreements (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Agreements (Details) |  |
Wet Distiller's Grains Sales | $ 11,517 | $ 11,035
Corn Oil Sales | 2,338 | 1,042
Corn Purchases | 44,009 | 37,993
Accounts Receivable | 116 | 133
Accounts Payable | $ 508 | $ 415

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

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

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

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

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

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