3.26.1 html 326 340 1 false 102 0 false 7 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.aemetis.com/20260630/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Condensed Balance Sheets (Current Period Unaudited) Sheet http://www.aemetis.com/20260630/role/statement-consolidated-condensed-balance-sheets-current-period-unaudited Consolidated Condensed Balance Sheets (Current Period Unaudited) Statements 2 false false R3.htm 002 - Statement - Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) Sheet http://www.aemetis.com/20260630/role/statement-consolidated-condensed-balance-sheets-current-period-unaudited-parentheticals Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Consolidated Condensed Statements of Operations and Comprehensive Loss (Unaudited) Sheet http://www.aemetis.com/20260630/role/statement-consolidated-condensed-statements-of-operations-and-comprehensive-loss-unaudited Consolidated Condensed Statements of Operations and Comprehensive Loss (Unaudited) Statements 4 false false R5.htm 004 - Statement - Consolidated Condensed Statements of Cash Flows (Unaudited) Sheet http://www.aemetis.com/20260630/role/statement-consolidated-condensed-statements-of-cash-flows-unaudited Consolidated Condensed Statements of Cash Flows (Unaudited) Statements 5 false false R6.htm 005 - Statement - Consolidated Statements of Stockholders' Deficit (Unaudited) Sheet http://www.aemetis.com/20260630/role/statement-consolidated-statements-of-stockholders-deficit-unaudited Consolidated Statements of Stockholders' Deficit (Unaudited) Statements 6 false false R7.htm 006 - Disclosure - Note 1 - General Sheet http://www.aemetis.com/20260630/role/statement-note-1-general Note 1 - General Notes 7 false false R8.htm 007 - Disclosure - Note 2 - Cash, Cash Equivalents, and Restricted Cash Sheet http://www.aemetis.com/20260630/role/statement-note-2-cash-cash-equivalents-and-restricted-cash Note 2 - Cash, Cash Equivalents, and Restricted Cash Notes 8 false false R9.htm 008 - Disclosure - Note 3 - Inventories Sheet http://www.aemetis.com/20260630/role/statement-note-3-inventories- Note 3 - Inventories Notes 9 false false R10.htm 009 - Disclosure - Note 4 - Property, Plant and Equipment Sheet http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment- Note 4 - Property, Plant and Equipment Notes 10 false false R11.htm 010 - Disclosure - Note 5 - Debt Sheet http://www.aemetis.com/20260630/role/statement-note-5-debt Note 5 - Debt Notes 11 false false R12.htm 011 - Disclosure - Note 6 - Basic and Diluted Net Loss Per Share Sheet http://www.aemetis.com/20260630/role/statement-note-6-basic-and-diluted-net-loss-per-share Note 6 - Basic and Diluted Net Loss Per Share Notes 12 false false R13.htm 012 - Disclosure - Note 7 - Revenue and Accounts Receivable Sheet http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable Note 7 - Revenue and Accounts Receivable Notes 13 false false R14.htm 013 - Disclosure - Note 8 - Leases Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases Note 8 - Leases Notes 14 false false R15.htm 014 - Disclosure - Note 9 - Stock Based Compensation Sheet http://www.aemetis.com/20260630/role/statement-note-9-stock-based-compensation Note 9 - Stock Based Compensation Notes 15 false false R16.htm 015 - Disclosure - Note 10 - Warrants to Purchase Common Stock Sheet http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock Note 10 - Warrants to Purchase Common Stock Notes 16 false false R17.htm 016 - Disclosure - Note 11 - Aemetis Biogas LLC - Series A Preferred Financing Sheet http://www.aemetis.com/20260630/role/statement-note-11-aemetis-biogas-llc-series-a-preferred-financing Note 11 - Aemetis Biogas LLC - Series A Preferred Financing Notes 17 false false R18.htm 017 - Disclosure - Note 12 - Agreements Sheet http://www.aemetis.com/20260630/role/statement-note-12-agreements- Note 12 - Agreements Notes 18 false false R19.htm 018 - Disclosure - Note 13 - Segment Information Sheet http://www.aemetis.com/20260630/role/statement-note-13-segment-information- Note 13 - Segment Information Notes 19 false false R20.htm 019 - Disclosure - Note 14 - Related Party Transactions Sheet http://www.aemetis.com/20260630/role/statement-note-14-related-party-transactions Note 14 - Related Party Transactions Notes 20 false false R21.htm 020 - Disclosure - Note 16 - Liquidity and Going Concern Sheet http://www.aemetis.com/20260630/role/statement-note-16-liquidity-and-going-concern Note 16 - Liquidity and Going Concern Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 995467 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.aemetis.com/20260630/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies 23 false false R24.htm 995468 - Disclosure - Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-2-cash-cash-equivalents-and-restricted-cash-tables Note 2 - Cash, Cash Equivalents, and Restricted Cash (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-2-cash-cash-equivalents-and-restricted-cash 24 false false R25.htm 995469 - Disclosure - Note 3 - Inventories (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-3-inventories-tables Note 3 - Inventories (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-3-inventories- 25 false false R26.htm 995470 - Disclosure - Note 4 - Property, Plant and Equipment (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment-tables Note 4 - Property, Plant and Equipment (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment- 26 false false R27.htm 995471 - Disclosure - Note 5 - Debt (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-5-debt-tables Note 5 - Debt (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-5-debt 27 false false R28.htm 995472 - Disclosure - Note 6 - Basic and Diluted Net Loss Per Share (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-6-basic-and-diluted-net-loss-per-share-tables Note 6 - Basic and Diluted Net Loss Per Share (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-6-basic-and-diluted-net-loss-per-share 28 false false R29.htm 995473 - Disclosure - Note 7 - Revenue and Accounts Receivable (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable-tables Note 7 - Revenue and Accounts Receivable (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable 29 false false R30.htm 995474 - Disclosure - Note 8 - Leases (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-tables Note 8 - Leases (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-8-leases 30 false false R31.htm 995475 - Disclosure - Note 9 - Stock Based Compensation (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-9-stock-based-compensation-tables Note 9 - Stock Based Compensation (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-9-stock-based-compensation 31 false false R32.htm 995476 - Disclosure - Note 10 - Warrants to Purchase Common Stock (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock-tables Note 10 - Warrants to Purchase Common Stock (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock 32 false false R33.htm 995477 - Disclosure - Note 12 - Agreements (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-12-agreements-tables Note 12 - Agreements (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-12-agreements- 33 false false R34.htm 995478 - Disclosure - Note 13 - Segment Information (Tables) Sheet http://www.aemetis.com/20260630/role/statement-note-13-segment-information-tables Note 13 - Segment Information (Tables) Tables http://www.aemetis.com/20260630/role/statement-note-13-segment-information- 34 false false R35.htm 995479 - Disclosure - Note 1 - General (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-1-general-details-textual Note 1 - General (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-1-general 35 false false R36.htm 995480 - Disclosure - Note 2 - Cash, Cash Equivalents, and Restricted Cash - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-2-cash-cash-equivalents-and-restricted-cash-reconciliation-of-cash-cash-equivalents-and-restricted-cash-details Note 2 - Cash, Cash Equivalents, and Restricted Cash - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) Details 36 false false R37.htm 995481 - Disclosure - Note 3 - Inventories (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-3-inventories-details-textual Note 3 - Inventories (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-3-inventories-tables 37 false false R38.htm 995482 - Disclosure - Note 3 - Inventories - Schedule of Inventories (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-3-inventories-schedule-of-inventories-details Note 3 - Inventories - Schedule of Inventories (Details) Details 38 false false R39.htm 995483 - Disclosure - Note 4 - Property, Plant and Equipment (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment-details-textual Note 4 - Property, Plant and Equipment (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment-tables 39 false false R40.htm 995484 - Disclosure - Note 4 - Property, Plant and Equipment - Schedule of Property, Plant, and Equipment (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment-schedule-of-property-plant-and-equipment-details Note 4 - Property, Plant and Equipment - Schedule of Property, Plant, and Equipment (Details) Details 40 false false R41.htm 995485 - Disclosure - Note 4 - Property, Plant and Equipment - Depreciation of Property, Plant, and Equipment (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-4-property-plant-and-equipment-depreciation-of-property-plant-and-equipment-details Note 4 - Property, Plant and Equipment - Depreciation of Property, Plant, and Equipment (Details) Details 41 false false R42.htm 995486 - Disclosure - Note 5 - Debt (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-5-debt-details-textual Note 5 - Debt (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-5-debt-tables 42 false false R43.htm 995487 - Disclosure - Note 5 - Debt - Schedule of Debt (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-5-debt-schedule-of-debt-details Note 5 - Debt - Schedule of Debt (Details) Details 43 false false R44.htm 995488 - Disclosure - Note 5 - Debt - Maturities of Long-term Debt (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-5-debt-maturities-of-longterm-debt-details Note 5 - Debt - Maturities of Long-term Debt (Details) Details 44 false false R45.htm 995489 - Disclosure - Note 6 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-6-basic-and-diluted-net-loss-per-share-schedule-of-dilutive-securities-details Note 6 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) Details 45 false false R46.htm 995490 - Disclosure - Note 6 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) (Parentheticals) Sheet http://www.aemetis.com/20260630/role/statement-note-6-basic-and-diluted-net-loss-per-share-schedule-of-dilutive-securities-details-parentheticals Note 6 - Basic and Diluted Net Loss Per Share - Schedule of Dilutive Securities (Details) (Parentheticals) Details 46 false false R47.htm 995491 - Disclosure - Note 7 - Revenue and Accounts Receivable (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable-details-textual Note 7 - Revenue and Accounts Receivable (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable-tables 47 false false R48.htm 995492 - Disclosure - Note 7 - Revenue and Accounts Receivable - Disaggregation of Revenue (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable-disaggregation-of-revenue-details Note 7 - Revenue and Accounts Receivable - Disaggregation of Revenue (Details) Details 48 false false R49.htm 995493 - Disclosure - Note 7 - Revenue and Accounts Receivable - Schedule Of America By Product Category (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-7-revenue-and-accounts-receivable-schedule-of-america-by-product-category-details Note 7 - Revenue and Accounts Receivable - Schedule Of America By Product Category (Details) Details 49 false false R50.htm 995494 - Disclosure - Note 8 - Leases (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-details-textual Note 8 - Leases (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-8-leases-tables 50 false false R51.htm 995495 - Disclosure - Note 8 - Leases - Lease Cost (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-lease-cost-details Note 8 - Leases - Lease Cost (Details) Details 51 false false R52.htm 995496 - Disclosure - Note 8 - Leases - Non-cash Flow Information Related to ROU Asset and Lease Liabilities (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-noncash-flow-information-related-to-rou-asset-and-lease-liabilities-details Note 8 - Leases - Non-cash Flow Information Related to ROU Asset and Lease Liabilities (Details) Details 52 false false R53.htm 995497 - Disclosure - Note 8 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-supplemental-balance-sheet-information-related-to-leases-details Note 8 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) Details 53 false false R54.htm 995498 - Disclosure - Note 8 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) (Parentheticals) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-supplemental-balance-sheet-information-related-to-leases-details-parentheticals Note 8 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) (Parentheticals) Details 54 false false R55.htm 995499 - Disclosure - Note 8 - Leases - Maturities of Leases (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-maturities-of-leases-details Note 8 - Leases - Maturities of Leases (Details) Details 55 false false R56.htm 995500 - Disclosure - Note 8 - Leases - Lease Income (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-lease-income-details Note 8 - Leases - Lease Income (Details) Details 56 false false R57.htm 995501 - Disclosure - Note 8 - Leases - Future Minimum Lease Payments (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-8-leases-future-minimum-lease-payments-details Note 8 - Leases - Future Minimum Lease Payments (Details) Details 57 false false R58.htm 995502 - Disclosure - Note 9 - Stock Based Compensation (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-9-stock-based-compensation-details-textual Note 9 - Stock Based Compensation (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-9-stock-based-compensation-tables 58 false false R59.htm 995503 - Disclosure - Note 9 - Stock-Based Compensation - Schedule of Share-based Payment Award (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-9-stockbased-compensation-schedule-of-sharebased-payment-award-details Note 9 - Stock-Based Compensation - Schedule of Share-based Payment Award (Details) Details 59 false false R60.htm 995504 - Disclosure - Note 9 - Stock-Based Compensation - Fair Value Assumptions (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-9-stockbased-compensation-fair-value-assumptions-details Note 9 - Stock-Based Compensation - Fair Value Assumptions (Details) Details 60 false false R61.htm 995505 - Disclosure - Note 10 - Warrants to Purchase Common Stock (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock-details-textual Note 10 - Warrants to Purchase Common Stock (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock-tables 61 false false R62.htm 995506 - Disclosure - Note 10 - Warrants to Purchase Common Stock - Schedule of Warrants or Rights (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-10-warrants-to-purchase-common-stock-schedule-of-warrants-or-rights-details Note 10 - Warrants to Purchase Common Stock - Schedule of Warrants or Rights (Details) Details 62 false false R63.htm 995507 - Disclosure - Note 11 - Aemetis Biogas LLC - Series A Preferred Financing (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-11-aemetis-biogas-llc-series-a-preferred-financing-details-textual Note 11 - Aemetis Biogas LLC - Series A Preferred Financing (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-11-aemetis-biogas-llc-series-a-preferred-financing 63 false false R64.htm 995508 - Disclosure - Note 12 - Agreements (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-12-agreements-details-textual Note 12 - Agreements (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-12-agreements-tables 64 false false R65.htm 995509 - Disclosure - Note 12 - Agreements - Schedule of Working Capital Agreement Activity (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-12-agreements-schedule-of-working-capital-agreement-activity-details Note 12 - Agreements - Schedule of Working Capital Agreement Activity (Details) Details 65 false false R66.htm 995510 - Disclosure - Note 13 - Segment Information (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-13-segment-information-details-textual Note 13 - Segment Information (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-13-segment-information-tables 66 false false R67.htm 995511 - Disclosure - Note 13 - Segment Information - Schedule of Segment Reporting Information (Details) Sheet http://www.aemetis.com/20260630/role/statement-note-13-segment-information-schedule-of-segment-reporting-information-details Note 13 - Segment Information - Schedule of Segment Reporting Information (Details) Details 67 false false R68.htm 995512 - Disclosure - Note 14 - Related Party Transactions (Details Textual) Sheet http://www.aemetis.com/20260630/role/statement-note-14-related-party-transactions-details-textual Note 14 - Related Party Transactions (Details Textual) Details http://www.aemetis.com/20260630/role/statement-note-14-related-party-transactions 68 false false All Reports Book All Reports amtx-20260630.xsd amtx-20260630_cal.xml amtx-20260630_def.xml amtx-20260630_lab.xml amtx-20260630_pre.xml amtx20260630_10q.htm http://fasb.org/us-gaap/2026 http://xbrl.sec.gov/dei/2026 http://xbrl.sec.gov/ecd/2026 true true