XML 47 R36.htm IDEA: XBRL DOCUMENT v3.23.3

Note 1 - Nature of Activities and Summary of Significant Accounting Policies - Schedule of Dilutive Securities (Details) (Parentheticals) - $ / shares	Sep. 30, 2023	Sep. 30, 2022
Debt with Conversion Feature [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share)	$ 30	$ 30

X

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-5

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=amtx_DebtWithConversionFeatureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: