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v3.23.3

Consolidated Condensed Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Increase (decrease) in cumulative capital expenditures in accounts payable | $ 474 | $ 1,535

X
- Definition Represents net increase (decrease) in cumulative capital expenditures in accounts payable. + References No definition available. + Details
Name: | amtx_IncreaseDecreaseInCumulativeCapitalExpendituresInAccountsPayableNet
Namespace Prefix: | amtx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration