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Common Stock Warrants - Summary of Warrants Outstanding and Exercisable (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Common Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Warrants Outstanding, Beginning Balance | 172,127 | 200,612 |
Number of Warrants Exercised |  | (28,485) |
Number of Warrants Issued | 846,744 |  |
Expiration Date, Warrants issued | Jun. 26, 2027 |  |
Number of Warrants Outstanding, Ending Balance | 1,018,871 | 172,127 |
Weighted Average Exercise Price of Warrants Outstanding, Beginning Balance | $ 133.65 | $ 133.65 |
Weighted Average Exercise Price of Warrants Exercised |  | 133.65 |
Weighted Average Exercise Price of Warrants Issued | 11.56 |  |
Weighted Average Exercise Price of Warrants Outstanding, Ending Balance | $ 32.186 | $ 133.65 |
Weighted Average Remaining Contractual Term of Warrants Issued | 2 years |  |
Weighted Average Remaining Contractual Term of Warrants Outstanding | 1 year 11 months 23 days | 3 years 11 months 1 day | 4 years 10 months 24 days
Aggregate intrinsic Value of Warrants Outstanding, Beginning Balance |  | $ 25,700 |
Aggregate intrinsic Value of Warrants Exercised |  | $ 4,297 |
Expiration Date |  | Nov. 30, 2028 | Nov. 30, 2028
Pre-Funded Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Number of Warrants Outstanding, Beginning Balance | 0 | 115,127 |
Number of Warrants Exercised | (27,000) | (115,127) |
Number of Warrants Issued | 150,360 |  |
Expiration Date, Warrants issued | Jun. 26, 2027 |  |
Number of Warrants Outstanding, Ending Balance | 123,360 | 0 |
Weighted Average Exercise Price of Warrants Outstanding, Beginning Balance |  | $ 0.05 |
Weighted Average Exercise Price of Warrants Exercised | $ 0.001 | $ 0.05 |
Weighted Average Exercise Price of Warrants Issued | 0.001 |  |
Weighted Average Exercise Price of Warrants Outstanding, Ending Balance | $ 0.001 |  |
Weighted Average Remaining Contractual Term of Warrants Issued | 2 years |  |
Weighted Average Remaining Contractual Term of Warrants Outstanding | 1 year 8 months 26 days |  | 3 years 11 months 1 day
Aggregate intrinsic Value of Warrants Outstanding, Beginning Balance |  | $ 30,200 |
Aggregate intrinsic Value of Warrants Exercised | $ 245,943 | $ 9,715 |
Aggregate intrinsic Value of Warrants Outstanding, Ending Balance | $ 805,417 |  |
Expiration Date | Jun. 26, 2027 |  |
Minimum | Common Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Expiration Date | Nov. 30, 2028 |  |
Minimum | Pre-Funded Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Expiration Date |  |  | Apr. 30, 2027
Maximum | Common Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Expiration Date | Jun. 26, 2027 |  |
Maximum | Pre-Funded Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Expiration Date |  |  | May 31, 2028

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