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Subsequent Events (Details Narrative) $ in Millions	Nov. 05, 2021 USD ($)
Third Eye Capital Limited Waiver and Amendment [Member]
Waiver fee	$ 0.1

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinue

+ References

No definition available.

+ Details

Name:	amtx_WaiversFee
Namespace Prefix:	amtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_PlanNameAxis=amtx_ThirdEyeCapitalLimitedWaiverandAmendmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: