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Fair Value Measurements (Tables) | 3 Months Ended
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Mar. 31, 2026
Fair Value Disclosures [Abstract] |
Schedule of Financial Assets and Liabilities Measured at Fair Value | March 31, 2026 and December 31, 2025, are summarized as follows:
| March 31, 2026
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (In thousands) |  |
Assets |  |  |  |  |  |  |
Cash equivalents - money market funds | $ | 43,375 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,375 |
Total assets | $ | 43,375 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,375 |
Liabilities: |  |  |  |  |  |  |
Warrants liability | $ | — |  |  | $ | — |  |  | $ | 1,883 |  |  | $ | 1,883 |
Total liabilities | $ | — |  |  | $ | — |  |  | $ | 1,883 |  |  | $ | 1,883 |
| December 31, 2025
| Level 1 |  | Level 2 |  | Level 3 |  | Total
| (In thousands) |  |
Assets: |  |  |  |  |  |  |
Cash equivalents - money market funds | $ | 43,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,000 |
Total assets | $ | 43,000 |  |  | $ | — |  |  | $ | — |  |  | $ | 43,000 |
Liabilities: |  |  |  |  |  |  |
Warrants liability | $ | — |  |  | $ | — |  |  | $ | 2,999 |  |  | $ | 2,999 |
Total liabilities | $ | — |  |  | $ | — |  |  | $ | 2,999 |  |  | $ | 2,999 |
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments |
| Level of Hierarchy |  | Fair Value |  | Principal Balance |  | Unamortized Debt Discount |  | Unamortized Debt Issuance Costs |  | Net Carrying Value
|  |  | (In thousands)
March 31, 2026 |  |  |  |  |  |  |  |  |  |  |
2026 Notes | 2 |  | $ | 8,561 |  |  | $ | 20,125 |  |  | $ | — |  |  | $ | (54) |  |  | $ | 20,071 |
2029 Notes | 3 |  | $ | 198,592 |  |  | $ | 221,877 |  |  | $ | (24,296) |  |  | $ | (5,810) |  |  | $ | 191,771 |
Second Lien 2029 Notes | 3 |  | $ | 82,684 |  |  | $ | 181,952 |  |  | $ | — |  |  | $ | — |  |  | $ | 181,952 |
December 31, 2025 |  |  |  |  |  |  |  |  |  |  |
2026 Notes | 2 |  | $ | 8,175 |  |  | $ | 20,125 |  |  | $ | — |  |  | $ | (73) |  |  | $ | 20,052 |
2029 Notes | 3 |  | $ | 200,601 |  |  | $ | 221,877 |  |  | $ | (25,955) |  |  | $ | (6,142) |  |  | $ | 189,780 |
Second Lien 2029 Notes | 3 |  | $ | 61,497 |  |  | $ | 181,952 |  |  | $ | — |  |  | $ | — |  |  | $ | 181,952 |
Fair Value Measurement Inputs and Valuation Techniques | A summary of the Black-Scholes pricing model assumptions used to record the fair value of the Warrants as of March 31, 2026 and 2025 is as follows:
| March 31, 2026 |  | March 31, 2025
Stock price | $2.55 |  | $0.80
Risk free rate | 4.18% |  | 4.19%
Expected life (in years) | 8.18 |  | 9.18
Expected volatility | 86.00% |  | 78.00%
Schedule of Changes in Fair Value of Level 3 Liabilities |
| March 31, 2026 |  | December 31, 2025
| (In thousands)
Balance, beginning of year | $ | 2,999 |  |  | $ | 17,498 |
Settlement of Warrants | — |  |  | (1,297) |
Change in the fair value of Warrants | (1,116) |  |  | (13,202) |
Balance, end of period | $ | 1,883 |  |  | $ | 2,999 |

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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