Income Taxes - Significant Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Deferred Tax Assets, Net [Abstract] | ||
| Depreciation and amortization | $ 162 | $ 360 |
| Stock-based compensation | 1,068 | 768 |
| Unrealized gain (loss) | (14) | (18) |
| Accrued expenses | 252 | 692 |
| Charitable contributions | 23 | 24 |
| Capitalized R&D expenditures | 3,186 | 3,504 |
| Right of use assets / lease liability | 25 | |
| Interest expense | 15,413 | 14,585 |
| State taxes | 1 | |
| Federal and state net operating loss carryforward | 88,306 | 92,043 |
| Total net deferred tax assets | 108,396 | 111,984 |
| Less valuation allowance | $ (108,396) | $ (111,984) |
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- Definition Deferred tax assets, depreciation and amortization. No definition available.
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- Definition Deferred tax assets, interest expense No definition available.
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- Definition Deferred tax assets, right of use assets and lease liability. No definition available.
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- Definition Deferred tax assets unrealized gain loss No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible charitable contribution carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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