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Common Stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 14, 2025 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Jan. 14, 2025
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common shares, shares authorized (in shares) |  | 600,000,000 |  | 600,000,000 |  | 136,562,809 | 175,095,000 |
Common stock, shares issued (in shares) |  | 106,754,588 |  | 106,754,588 |  | 48,376,052 | 17,454,353 |
Common stock, shares outstanding (in shares) |  | 106,754,588 |  | 106,754,588 |  | 48,376,052 | 17,454,353 | 98,818,874
Aggregate purchase price |  | $ 2,238 |  | $ 2,538 |  |  |  |
Price of common stock |  |  |  |  |  | $ 0.88 | $ 0.25 |
Consideration paid |  | $ 0 | $ 77 | 12,043 | $ 163 | $ 217 | $ 105 |
Consideration paid in cash |  |  |  | $ 200 |  |  |  |
B. Riley | Committed Equity Facility |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Aggregate number of shares issued |  |  |  | 8,410,321 |  |  |  |
B. Riley | Registration Rights Agreement | Committed Equity Facility |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Aggregate purchase price | $ 50,000 |  |  |  |  |  |  |
Percentage of common stock shares issued | 19.99% |  |  |  |  |  |  |
Price of common stock |  | $ 3.45 |  | $ 3.45 |  |  |  |
Common stock permit subsequent resale |  | 20,326,158 |  | 20,326,158 |  |  |  |
Percentage of common stock to sell without prior stockholder approval |  | 4.99% |  | 4.99% |  |  |  |
Consideration paid |  |  |  | $ 400 |  |  |  |
Consideration paid in cash |  |  |  | $ 200 |  |  |  |
Underwriting discount percentage |  | 0.50% |  | 0.50% |  |  |  |
Fair value of issued shares |  | $ 200 |  | $ 200 |  |  |  |
Consideration paid in shares |  |  |  | 83,353 |  |  |  |
Number of shares sold |  |  |  | 5,673,734 |  |  |  |
Net proceed from sale of shares |  |  |  | $ 20,000 |  |  |  |
Unused capacity under committed equity facility |  | $ 30,000 |  | $ 30,000 |  |  |  |
Additional shares expect to sell |  | 8,409,939 |  | 8,409,939 |  |  |  |
Remaining registered shares available for purchase |  | 14,652,582 |  | 14,652,582 |  |  |  |
Commission expense |  | $ 600 | $ 0 | $ 600 | $ 0 |  |  |
B. Riley | Registration Rights Agreement | Purchase |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Price of common stock | $ 0.97 |  |  |  |  |  |  |
VWAP as commission | 0.03 |  |  |  |  |  |  |
Minimum | B. Riley | Registration Rights Agreement | Committed Equity Facility |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Price of common stock | $ 1 |  |  |  |  |  |  |
Unused capacity under committed equity facility |  | $ 3.14 |  | $ 3.14 |  |  |  |
Maximum | B. Riley | Registration Rights Agreement | Committed Equity Facility |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Aggregate purchase price | $ 50,000 |  |  | $ 50,000 |  |  |  |
Aggregate number of shares issued | 20,326,316 |  |  |  |  |  |  |
Unused capacity under committed equity facility |  | $ 4.07 |  | $ 4.07 |  |  |  |
Maximum | B. Riley | Registration Rights Agreement | Purchase |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Aggregate number of shares issued | 1,000,000 |  |  |  |  |  |  |
Percentage of common stock shares issued | 25.00% |  |  |  |  |  |  |

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