Revision of Previously Issued Financial Statements - Revised prior period amounts on the consolidated financial statements to correct the misstatement (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
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| Liabilities, Current [Abstract] | ||||||||
| Purchase warrant liability | $ 345 | $ 345 | $ 2,566 | |||||
| Total current liabilities | 1,461 | 1,461 | 3,584 | |||||
| Equity, Attributable to Parent [Abstract] | ||||||||
| Additional paid-in capital | 457,041 | 457,041 | 457,025 | |||||
| Accumulated deficit | (442,518) | (442,518) | (442,656) | |||||
| Total stockholders' equity | 12,017 | $ 12,593 | 12,017 | $ 12,593 | $ 12,554 | 11,863 | $ 13,093 | $ 12,751 |
| Statement of Comprehensive Income [Abstract] | ||||||||
| Change in fair value of purchase warrant liability | 349 | 67 | 2,221 | 1,094 | ||||
| Other income (expense), net | 469 | 248 | 2,469 | 1,463 | ||||
| Net income (loss) | $ (543) | $ (529) | $ 138 | $ (212) | ||||
| Basic EPS | $ (0.04) | $ (0.04) | $ 0.01 | $ (0.02) | ||||
| Diluted EPS | $ (0.04) | $ (0.04) | $ 0.01 | $ (0.02) | ||||
| Statement of Cash Flows [Abstract] | ||||||||
| Net income (loss) | $ (543) | $ (529) | $ 138 | $ (212) | ||||
| Change in fair value of warrant liability | (2,221) | (1,094) | ||||||
| Statement of Stockholders' Equity [Abstract] | ||||||||
| Additional paid-in capital | 457,041 | 457,041 | 457,025 | |||||
| Accumulated deficit | (442,518) | (442,518) | (442,656) | |||||
| Total stockholders' equity | $ 12,017 | $ 12,593 | $ 12,017 | $ 12,593 | $ 12,554 | $ 11,863 | $ 13,093 | $ 12,751 |
| X | ||||||||||
- Definition Increase (Decrease) In Fair Value Warrant Liability No definition available.
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| X | ||||||||||
- Definition Purchase Warrant Liability No definition available.
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| X | ||||||||||
- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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/disclosureRef
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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://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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