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Fair Value Measurements - Warrants outstanding (Details) - $ / shares shares in Thousands | Mar. 31, 2025 | Nov. 25, 2024 | Nov. 21, 2024 | Mar. 20, 2024 | Dec. 05, 2023 | Apr. 19, 2022
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Derivative Financial Instruments |  |  |  |  |  |
Number of Warrants (in shares) | 5,792 |  |  |  |  |
Closing Date Warrants |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  | $ 7.68 | $ 49.1568 | $ 58.3232 | $ 320.64
Number of Warrants (in shares) | 17 |  |  |  |  |
2023 Warrants |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  |  | $ 58.3232 |
Number of Warrants (in shares) | 4 |  |  |  |  |
2024 Warrant Shares |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  | $ 49.1568 |  |
Number of Warrants (in shares) | 6 |  |  |  |  |
New Warrants |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 0.16 |  | $ 0.16 |  |  |
Number of Warrants (in shares) | 313 |  |  |  |  |
March 2024 Accompanying Warrants, Strike Price Amended |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 9.136 |  |  |  |  |
Number of Warrants (in shares) | 534 | 534 | 534 |  |  |
March 2024 Accompanying Warrants, Strike Price Not Amended |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 51.2 |  |  |  |  |
Number of Warrants (in shares) | 5 |  |  |  |  |
November 2024 Accompanying Warrants | Armistice Capital Master Fund |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  |  |  |
Number of Warrants (in shares) | 846 |  |  |  |  |
November 2024 Accompanying Warrants | Heights Capital Management |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  |  |  |
Number of Warrants (in shares) | 27 |  |  |  |  |
November 2024 Accompanying Warrants | Hudson Bay Capital Management |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  |  |  |
Number of Warrants (in shares) | 27 |  |  |  |  |
November 2024 Accompanying Warrants | IntraCoastal Capital |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 7.68 |  |  |  |  |
Number of Warrants (in shares) | 13 |  |  |  |  |
March 2025 Accompanying Warrants |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |
Exercise price (in dollars per share) | $ 4.2 |  |  |  |  |
Number of Warrants (in shares) | 4,000 |  |  |  |  |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
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