Condensed Consolidated Statements of Operations (Unaudited) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Operating cost and expense | ||||
| Plant operations | $ 576,000 | $ 1,617,000 | $ 2,076,000 | $ 6,198,000 |
| Research and development cost | 328,000 | 398,000 | 960,000 | 1,349,000 |
| Impairment and loss on disposal of property, plant and equipment | 25,000 | 448,000 | 9,037,000 | 448,000 |
| General and administrative expense | 2,136,000 | 2,748,000 | 6,707,000 | 9,170,000 |
| Total operating expense | 3,065,000 | 5,211,000 | 18,780,000 | 17,165,000 |
| Loss from operations | (3,065,000) | (5,211,000) | (18,780,000) | (17,165,000) |
| Other income and (expense) | ||||
| Interest expense | (12,000) | (83,000) | (659,000) | (273,000) |
| Loss on extinguishment of debt | 0 | 0 | (825,000) | 0 |
| Interest and other income | 28,000 | 84,000 | 805,000 | 329,000 |
| Change in fair value of warrant liability | (72,000) | 0 | 1,255,000 | 0 |
| Total other income, net | (56,000) | 1,000 | 576,000 | 56,000 |
| Loss before income tax expense | (3,121,000) | (5,210,000) | (18,204,000) | (17,109,000) |
| Income tax expense | 0 | 0 | 2,000 | 3,000 |
| Net loss | $ (3,121,000) | $ (5,210,000) | $ (18,206,000) | $ (17,112,000) |
| Weighted average shares outstanding, basic and diluted (in shares) | 1,426,216 | 681,619 | 1,049,376 | 617,151 |
| Basic and diluted net loss per share (in dollars per share) | $ (2.19) | $ (7.64) | $ (17.35) | $ (27.73) |
| X | ||||||||||
- Definition The amount of gain loss on sale of property, plant and equipment, excluding the amount included in cost of good and services sold. No definition available.
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. No definition available.
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| X | ||||||||||
- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). No definition available.
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| X | ||||||||||
- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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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| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The net result for the period of deducting operating expenses from operating revenues. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of expense for research and development. Excludes cost for computer software product to be sold, leased, or otherwise marketed, writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both, and write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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