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Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 14, 2023 | Jul. 15, 2019 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 03, 2026 | Dec. 31, 2025 | Nov. 01, 2023 | Aug. 01, 2023 | Jun. 30, 2022
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants issued (in shares) |  |  |  |  | 375,000 |  |  |  |
Warrants and rights outstanding |  |  | $ 916 |  |  |  |  |  | $ 5,874
Vesting period (in years) |  |  | 3 years |  |  |  |  |  |
Exercise of warrants (in shares) |  |  |  | 0 |  |  |  |  |
Senior secured notes due 2025 |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 12.50% |  |  |  |  |  |  |
Fair value of warrants issued |  | $ 6,800 |  |  |  |  |  |  |
Senior secured notes due 2025 | Senior Notes |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 12.50% |  |  |  |  |  |
2020 Additional Notes |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Fair value of warrants issued |  | $ 735 |  |  |  |  |  |  |
13.5% Senior Secured Notes due November 1, 2028 | Senior Notes |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 13.50% | 13.50% |  | 13.50% | 13.50% |  |
Minimum |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) |  |  |  |  | $ 4.00 |  |  |  |
Common Stock Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants issued (in shares) |  |  |  |  | 375,000 |  |  |  | 8,850,000
Warrants issued to purchase common stock (in shares) | 3,689,452 |  |  |  |  |  |  |  |
Proceeds from warrant exercises | $ 3,542 |  |  |  |  |  |  |  |
Common Stock Warrants | Minimum |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) |  |  |  |  | $ 4.00 |  |  |  | $ 0.96
First Additional Warrant Offering | Maximum |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants issued (in shares) |  | 2,143,000 |  |  |  |  |  |  |
Pre-Funded Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants issued (in shares) |  |  |  |  |  |  |  |  | 4,000,000
Existing Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrant exercise price (in dollars per share) |  |  |  |  |  |  |  | $ 0.96 |
Class of warrant or right, outstanding (in shares) |  |  |  |  |  |  |  | 5,000,000 |
New Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants issued (in shares) |  |  | 2,200,000 |  |  |  |  | 2,750,000 |
Warrant exercise price (in dollars per share) |  |  | $ 0.96 |  |  |  |  | $ 2.60 |
Warrants and rights outstanding |  |  |  |  |  |  |  | $ 4,671 |
Exercise of warrants (in shares) |  |  | 0 | 0 |  |  |  |  |
Warrants issued to purchase common stock (in shares) |  |  | 160,548 |  |  |  |  |  |

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