XML 45 R29.htm IDEA: XBRL DOCUMENT
v3.24.1

Note 5 - Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes Tables |
Lease, Cost [Table Text Block] |
|  | Twelve Months Ended December 31, |
|  | 2023 |  |  | 2022 |
Operating lease cost |  |  |  |  |  |  |  |
Operating lease expense |  | $ | 722 |  |  | $ | 673 |
Short term lease expense |  |  | 223 |  |  |  | 176 |
Variable lease expense |  |  | 93 |  |  |  | 91 |
Total operating lease cost |  | $ | 1,038 |  |  | $ | 940 |
Finance lease cost |  |  |  |  |  |  |  |
Amortization of right-of-use assets |  | $ | 121 |  |  | $ | 179 |
Interest on lease liabilities |  |  | 340 |  |  |  | 310 |
Total finance lease cost |  | $ | 461 |  |  | $ | 489 |
|  | Twelve Months Ended December 31, |
|  | 2023 |  |  | 2022 |
Operating cash flows used in operating leases |  | $ | 668 |  |  | $ | 766 |
Operating cash flows used in finance leases |  |  | 340 |  |  |  | 310 |
Financing cash flows used in finance leases |  |  | 428 |  |  |  | 481 |
Supplemental Non-cash Flow Information Related to Leases [Table Text Block] |
|  | Twelve Months Ended December 31, |
|  | 2023 |  |  | 2022 |
Operating leases |  |  |  |  |  |  |  |
Accretion of the lease liability |  | $ | 249 |  |  | $ | 340 |
Amortization of right-of-use assets |  |  | 293 |  |  |  | 333 |
Weighted Average Remaining Lease Term |  |  |  |  |  |  |  |
Operating leases (in years) |  |  | 4.2 |  |  |  | 5.2 |
Finance leases (in years) |  |  | 13.0 |  |  |  | 14.0 |
Weighted Average Discount Rate |  |  |  |  |  |  |  |
Operating leases |  |  | 14.1 | % |  |  | 14.2 | %
Finance leases |  |  | 13.2 | % |  |  | 13.2 | %
Supplemental Balance Sheet Information Related to Leases [Table Text Block] |
|  | As of |
|  | December 31, 2023 |  |  | December 31, 2022 |
Operating leases |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  | $ | 2,056 |  |  | $ | 2,449 |
Current portion of operating lease liability |  |  | 406 |  |  |  | 338 |
Long term operating lease liability |  |  | 1,783 |  |  |  | 2,189 |
Total operating lease liabilities |  |  | 2,189 |  |  |  | 2,527 |
Finance leases |  |  |  |  |  |  |  |
Property and equipment, at cost |  | $ | 2,889 |  |  | $ | 3,045 |
Accumulated depreciation |  |  | (228 | ) |  |  | (112 | )
Property and equipment, net |  |  | 2,661 |  |  |  | 2,933 |
Other current liability |  |  | 30 |  |  |  | 71 |
Other long term liabilities |  |  | 2,687 |  |  |  | 2,911 |
Total finance lease liabilities |  |  | 2,717 |  |  |  | 2,982 |
Lease Term [Table Text Block] |
Year Ended December 31, |  | Operating leases |  |  | Finance leases |
2024 |  | $ | 682 |  |  | $ | 179 |
2025 |  |  | 681 |  |  |  | 168 |
2026 |  |  | 626 |  |  |  | 145 |
2027 |  |  | 645 |  |  |  | 145 |
2028 |  |  | 272 |  |  |  | 145 |
There after |  |  | - |  |  |  | 10,105 |
Total lease payments |  |  | 2,906 |  |  |  | 10,887 |
Less imputed interest |  |  | (717 | ) |  |  | (8,170 | )
Total lease liability |  | $ | 2,189 |  |  | $ | 2,717 |
Operating Lease, Lease Income [Table Text Block] |
|  | December 31, 2023 |  |  | December 31, 2022 |
Lease income |  | $ | 2,075 |  |  | $ | 1,255 |
Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] |
Year ended December 31, |  |  |  |
2024 |  | $ | 948 |
2025 |  |  | 773 |
2026 |  |  | 562 |
2027 |  |  | 508 |
2028 |  |  | 508 |
There after |  |  | 635 |
Total future lease commitments |  | $ | 3,934 |

X
- Definition Tabular disclosure of lease term. + References No definition available. + Details
Name: | amtx_LeaseTermTableTextBlock
Namespace Prefix: | amtx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental balance sheet information related to leases. + References No definition available. + Details
Name: | amtx_SupplementalBalanceSheetInformationRelatedToLeasesTableTextBlock
Namespace Prefix: | amtx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental non-cash flow information related to leases. + References No definition available. + Details
Name: | amtx_SupplementalNoncashFlowInformationRelatedToLeasesTableTextBlock
Namespace Prefix: | amtx_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-12 + Details
Name: | us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of components of income from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A + Details
Name: | us-gaap_OperatingLeaseLeaseIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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