3.24.1 html 202 360 1 true 82 0 false 8 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.aquametals.com/20231231/role/statement-document-and-entity-information Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Balance Sheets Sheet http://www.aquametals.com/20231231/role/statement-consolidated-balance-sheets Consolidated Balance Sheets Statements 2 false false R3.htm 002 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://www.aquametals.com/20231231/role/statement-consolidated-balance-sheets-parentheticals Consolidated Balance Sheets (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Consolidated Statements of Operations Sheet http://www.aquametals.com/20231231/role/statement-consolidated-statements-of-operations Consolidated Statements of Operations Statements 4 false false R5.htm 004 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://www.aquametals.com/20231231/role/statement-consolidated-statements-of-stockholders-equity Consolidated Statements of Stockholders' Equity Statements 5 false false R6.htm 005 - Statement - Consolidated Statements of Stockholders' Equity (Parentheticals) Sheet http://www.aquametals.com/20231231/role/statement-consolidated-statements-of-stockholders-equity-parentheticals Consolidated Statements of Stockholders' Equity (Parentheticals) Statements 6 false false R7.htm 006 - Statement - Consolidated Statements of Cash Flows Sheet http://www.aquametals.com/20231231/role/statement-consolidated-statements-of-cash-flows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 007 - Disclosure - Note 1 - Organization and Operations Sheet http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations Note 1 - Organization and Operations Notes 8 false false R9.htm 008 - Disclosure - Note 2 - Summary of Significant Accounting Policies Sheet http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies Note 2 - Summary of Significant Accounting Policies Notes 9 false false R10.htm 009 - Disclosure - Note 3 - Revenue Recognition Sheet http://www.aquametals.com/20231231/role/statement-note-3-revenue-recognition Note 3 - Revenue Recognition Notes 10 false false R11.htm 010 - Disclosure - Note 4 - Lease Receivable Sheet http://www.aquametals.com/20231231/role/statement-note-4-lease-receivable Note 4 - Lease Receivable Notes 11 false false R12.htm 011 - Disclosure - Note 5 - Inventory Sheet http://www.aquametals.com/20231231/role/statement-note-5-inventory Note 5 - Inventory Notes 12 false false R13.htm 012 - Disclosure - Note 6 - Assets Held for Sale Sheet http://www.aquametals.com/20231231/role/statement-note-6-assets-held-for-sale Note 6 - Assets Held for Sale Notes 13 false false R14.htm 013 - Disclosure - Note 7 - Property and Equipment, Net Sheet http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net Note 7 - Property and Equipment, Net Notes 14 false false R15.htm 014 - Disclosure - Note 8 - Intellectual Property, Net Sheet http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net Note 8 - Intellectual Property, Net Notes 15 false false R16.htm 015 - Disclosure - Note 9 - Investments Sheet http://www.aquametals.com/20231231/role/statement-note-9-investments Note 9 - Investments Notes 16 false false R17.htm 016 - Disclosure - Note 10 - Other Assets Sheet http://www.aquametals.com/20231231/role/statement-note-10-other-assets Note 10 - Other Assets Notes 17 false false R18.htm 017 - Disclosure - Note 11 - Accrued Liabilities Sheet http://www.aquametals.com/20231231/role/statement-note-11-accrued-liabilities Note 11 - Accrued Liabilities Notes 18 false false R19.htm 018 - Disclosure - Note 12 - Leases Sheet http://www.aquametals.com/20231231/role/statement-note-12-leases Note 12 - Leases Notes 19 false false R20.htm 019 - Disclosure - Note 13 - Note Payable Sheet http://www.aquametals.com/20231231/role/statement-note-13-note-payable Note 13 - Note Payable Notes 20 false false R21.htm 020 - Disclosure - Note 14 - Stockholders' Equity Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity Note 14 - Stockholders' Equity Notes 21 false false R22.htm 021 - Disclosure - Note 15 - Commitments and Contingencies Sheet http://www.aquametals.com/20231231/role/statement-note-15-commitments-and-contingencies Note 15 - Commitments and Contingencies Notes 22 false false R23.htm 022 - Disclosure - Note 16 - Related Party Transactions Sheet http://www.aquametals.com/20231231/role/statement-note-16-related-party-transactions Note 16 - Related Party Transactions Notes 23 false false R24.htm 023 - Disclosure - Note 17 - Income Taxes Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes Note 17 - Income Taxes Notes 24 false false R25.htm 024 - Disclosure - Note 18 - 401(k) Savings Plan Sheet http://www.aquametals.com/20231231/role/statement-note-18-401k-savings-plan Note 18 - 401(k) Savings Plan Notes 25 false false R26.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 26 false false R27.htm 995471 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.aquametals.com/20231231/role/statement-significant-accounting-policies-policies Significant Accounting Policies (Policies) Policies http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies 27 false false R28.htm 995472 - Disclosure - Note 1 - Organization and Operations (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations-tables Note 1 - Organization and Operations (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations 28 false false R29.htm 995473 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies-tables Note 2 - Summary of Significant Accounting Policies (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies 29 false false R30.htm 995474 - Disclosure - Note 5 - Inventory (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-5-inventory-tables Note 5 - Inventory (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-5-inventory 30 false false R31.htm 995475 - Disclosure - Note 7 - Property and Equipment, Net (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net-tables Note 7 - Property and Equipment, Net (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net 31 false false R32.htm 995476 - Disclosure - Note 8 - Intellectual Property, Net (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net-tables Note 8 - Intellectual Property, Net (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net 32 false false R33.htm 995477 - Disclosure - Note 10 - Other Assets (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-10-other-assets-tables Note 10 - Other Assets (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-10-other-assets 33 false false R34.htm 995478 - Disclosure - Note 11 - Accrued Liabilities (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-11-accrued-liabilities-tables Note 11 - Accrued Liabilities (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-11-accrued-liabilities 34 false false R35.htm 995479 - Disclosure - Note 12 - Leases (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-12-leases-tables Note 12 - Leases (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-12-leases 35 false false R36.htm 995480 - Disclosure - Note 13 - Note Payable (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-13-note-payable-tables Note 13 - Note Payable (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-13-note-payable 36 false false R37.htm 995481 - Disclosure - Note 14 - Stockholders' Equity (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-tables Note 14 - Stockholders' Equity (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity 37 false false R38.htm 995482 - Disclosure - Note 17 - Income Taxes (Tables) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-tables Note 17 - Income Taxes (Tables) Tables http://www.aquametals.com/20231231/role/statement-note-17-income-taxes 38 false false R39.htm 995483 - Disclosure - Note 1 - Organization and Operations (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations-details-textual Note 1 - Organization and Operations (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations-tables 39 false false R40.htm 995484 - Disclosure - Note 1 - Organization and Operations - Correction of Prior Period (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-1-organization-and-operations-correction-of-prior-period-details Note 1 - Organization and Operations - Correction of Prior Period (Details) Details 40 false false R41.htm 995485 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies-details-textual Note 2 - Summary of Significant Accounting Policies (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies-tables 41 false false R42.htm 995486 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-2-summary-of-significant-accounting-policies-antidilutive-securities-excluded-from-computation-of-earnings-per-share-details Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) Details 42 false false R43.htm 995487 - Disclosure - Note 3 - Revenue Recognition (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-3-revenue-recognition-details-textual Note 3 - Revenue Recognition (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-3-revenue-recognition 43 false false R44.htm 995488 - Disclosure - Note 4 - Lease Receivable (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-4-lease-receivable-details-textual Note 4 - Lease Receivable (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-4-lease-receivable 44 false false R45.htm 995489 - Disclosure - Note 5 - Inventory - Inventory (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-5-inventory-inventory-details Note 5 - Inventory - Inventory (Details) Details 45 false false R46.htm 995490 - Disclosure - Note 6 - Assets Held for Sale (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-6-assets-held-for-sale-details-textual Note 6 - Assets Held for Sale (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-6-assets-held-for-sale 46 false false R47.htm 995491 - Disclosure - Note 7 - Property and Equipment, Net (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net-details-textual Note 7 - Property and Equipment, Net (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net-tables 47 false false R48.htm 995492 - Disclosure - Note 7 - Property and Equipment, Net - Property and Equipment, Net (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-7-property-and-equipment-net-property-and-equipment-net-details Note 7 - Property and Equipment, Net - Property and Equipment, Net (Details) Details 48 false false R49.htm 995493 - Disclosure - Note 8 - Intellectual Property, Net (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net-details-textual Note 8 - Intellectual Property, Net (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net-tables 49 false false R50.htm 995494 - Disclosure - Note 8 - Intellectual Property, Net - Intellectual Property, Net (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net-intellectual-property-net-details Note 8 - Intellectual Property, Net - Intellectual Property, Net (Details) Details 50 false false R51.htm 995495 - Disclosure - Note 8 - Intellectual Property, Net - Estimated Future Amortization (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-8-intellectual-property-net-estimated-future-amortization-details Note 8 - Intellectual Property, Net - Estimated Future Amortization (Details) Details 51 false false R52.htm 995496 - Disclosure - Note 9 - Investments (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-9-investments-details-textual Note 9 - Investments (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-9-investments 52 false false R53.htm 995497 - Disclosure - Note 10 - Other Assets - Other Assets (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-10-other-assets-other-assets-details Note 10 - Other Assets - Other Assets (Details) Details 53 false false R54.htm 995498 - Disclosure - Note 11 - Accrued Liabilities - Accrued Liabilities (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-11-accrued-liabilities-accrued-liabilities-details Note 11 - Accrued Liabilities - Accrued Liabilities (Details) Details 54 false false R55.htm 995499 - Disclosure - Note 12 - Leases (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-12-leases-details-textual Note 12 - Leases (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-12-leases-tables 55 false false R56.htm 995500 - Disclosure - Note 12 - Leases - Right-of-Use Assets and Related Lease Liabilities (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-12-leases-rightofuse-assets-and-related-lease-liabilities-details Note 12 - Leases - Right-of-Use Assets and Related Lease Liabilities (Details) Details 56 false false R57.htm 995501 - Disclosure - Note 12 - Leases - Maturities of Lease Liabilities (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-12-leases-maturities-of-lease-liabilities-details Note 12 - Leases - Maturities of Lease Liabilities (Details) Details 57 false false R58.htm 995502 - Disclosure - Note 13 - Note Payable (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-13-note-payable-details-textual Note 13 - Note Payable (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-13-note-payable-tables 58 false false R59.htm 995503 - Disclosure - Note 13 - Note Payable - Schedule of Notes Payable (Details) Notes http://www.aquametals.com/20231231/role/statement-note-13-note-payable-schedule-of-notes-payable-details Note 13 - Note Payable - Schedule of Notes Payable (Details) Details 59 false false R60.htm 995504 - Disclosure - Note 14 - Stockholders' Equity (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-details-textual Note 14 - Stockholders' Equity (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-tables 60 false false R61.htm 995505 - Disclosure - Note 14 - Stockholders' Equity - Warrants Outstanding (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-warrants-outstanding-details Note 14 - Stockholders' Equity - Warrants Outstanding (Details) Details 61 false false R62.htm 995506 - Disclosure - Note 14 - Stockholders' Equity - Stock-based Compensation Expense (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-stockbased-compensation-expense-details Note 14 - Stockholders' Equity - Stock-based Compensation Expense (Details) Details 62 false false R63.htm 995507 - Disclosure - Note 14 - Stockholders' Equity - Stock-based Compensation Plan Activity (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-stockbased-compensation-plan-activity-details Note 14 - Stockholders' Equity - Stock-based Compensation Plan Activity (Details) Details 63 false false R64.htm 995508 - Disclosure - Note 14 - Stockholders' Equity - Stock Options Outstanding (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-stock-options-outstanding-details Note 14 - Stockholders' Equity - Stock Options Outstanding (Details) Details 64 false false R65.htm 995509 - Disclosure - Note 14 - Stockholders' Equity - Reserved Shares (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-14-stockholders-equity-reserved-shares-details Note 14 - Stockholders' Equity - Reserved Shares (Details) Details 65 false false R66.htm 995510 - Disclosure - Note 17 - Income Taxes (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-details-textual Note 17 - Income Taxes (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-tables 66 false false R67.htm 995511 - Disclosure - Note 17 - Income Taxes - Loss Before Income Tax Expense (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-loss-before-income-tax-expense-details Note 17 - Income Taxes - Loss Before Income Tax Expense (Details) Details 67 false false R68.htm 995512 - Disclosure - Note 17 - Income Taxes - Provision for Income Tax Expense (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-provision-for-income-tax-expense-details Note 17 - Income Taxes - Provision for Income Tax Expense (Details) Details 68 false false R69.htm 995513 - Disclosure - Note 17 - Income Taxes - Reconciliation of Income Tax Rates (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-reconciliation-of-income-tax-rates-details Note 17 - Income Taxes - Reconciliation of Income Tax Rates (Details) Details 69 false false R70.htm 995514 - Disclosure - Note 17 - Income Taxes - Deferred Tax Assets (Liabilities) (Details) Sheet http://www.aquametals.com/20231231/role/statement-note-17-income-taxes-deferred-tax-assets-liabilities-details Note 17 - Income Taxes - Deferred Tax Assets (Liabilities) (Details) Details 70 false false R71.htm 995515 - Disclosure - Note 18 - 401(k) Savings Plan (Details Textual) Sheet http://www.aquametals.com/20231231/role/statement-note-18-401k-savings-plan-details-textual Note 18 - 401(k) Savings Plan (Details Textual) Details http://www.aquametals.com/20231231/role/statement-note-18-401k-savings-plan 71 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 52 fact(s) appearing in ix:hidden were eligible for transformation: aqms:DebtInstrumentTermInterestOnlyPayments, aqms:DebtInstrumentUndividedInterestRate, aqms:InvestmentWarrantTerm, aqms:PercentageOfRevenueFromProductsTransferredAtPointInTime, aqms:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingPeriodNumberOfInstallments, dei:CurrentFiscalYearEndDate, dei:EntityRegistrantName, ecd:NonRule10b51ArrAdoptedFlag, ecd:NonRule10b51ArrTrmntdFlag, ecd:Rule10b51ArrAdoptedFlag, ecd:Rule10b51ArrTrmntdFlag, us-gaap:AccountsReceivableNetCurrent, us-gaap:AssetsFairValueDisclosure, us-gaap:CommonStockParOrStatedValuePerShare, us-gaap:CommonStockSharesAuthorized, us-gaap:CommonStockSharesIssued, us-gaap:CommonStockSharesOutstanding, us-gaap:NumberOfOperatingSegments, us-gaap:PaymentsOfStockIssuanceCosts, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod, us-gaap:TreasuryStockCommonShares - aqms20231231_10k.htm 8, 10, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 aqms-20231231.xsd aqms-20231231_cal.xml aqms-20231231_def.xml aqms-20231231_lab.xml aqms-20231231_pre.xml aqms20231231_10k.htm figure1.jpg figure2.jpg figure3.jpg z01.jpg z02.jpg http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true