XML 71 R61.htm IDEA: XBRL DOCUMENT v3.22.2.2

Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member] - Construction Loan Agreement [Member] $ in Millions	Oct. 04, 2022 USD ($)
Debt Agreement, Maximum Borrowing Capacity	$ 25
Debt Instrument, Interest Rate, Stated Percentage	5.95%
Usda Annual Renewal Fee	0.25%

X

- Definition

Represents maximum borrowing capacity under debt agreement.

+ References

No definition available.

+ Details

Name:	amtx_DebtAgreementMaximumBorrowingCapacity
Namespace Prefix:	amtx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the USDA annual renewal fee.

+ References

No definition available.

+ Details

Name:	amtx_UsdaAnnualRenewalFee
Namespace Prefix:	amtx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=amtx_ConstructionLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: