Note 1 - Organization (Details Textual) - USD ($) |
3 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Dec. 31, 2024 |
Dec. 18, 2024 |
Feb. 01, 2023 |
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| Net Income (Loss) Attributable to Parent | $ (8,315,000) | $ (5,752,000) | |||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | (2,753,000) | $ (4,251,000) | |||
| Cash and Cash Equivalent | 1,589,000 | $ 4,079,000 | |||
| Liabilities, Current | 7,164,000 | 8,182,000 | |||
| Retained Earnings (Accumulated Deficit) | (256,085,000) | $ (247,770,000) | |||
| Secured Promissory Notes [Member] | |||||
| Debt Instrument, Face Amount | 1,000,000 | $ 1,500,000 | |||
| Unamortized Debt Issuance Expense | 732,000 | ||||
| Aqua Metals Reno, Inc [Member] | Loan Agreement [Member] | Summit Investment Services, LLC [Member] | |||||
| Debt Instrument, Face Amount | $ 3,000,000 | $ 3,000,000 | |||
| X | ||||||||||
- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. No definition available.
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