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v3.25.3

Nature of Business and Liquidity (Details) $ / shares in Units, $ in Thousands, € in Millions |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 18, 2024 USD ($) | Dec. 04, 2023 USD ($) $ / shares | Sep. 23, 2022 USD ($) $ / shares shares | Aug. 19, 2022 USD ($) $ / shares | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Mar. 31, 2024 USD ($) | Mar. 17, 2024 USD ($) | Mar. 17, 2024 EUR (€) | Dec. 31, 2023 USD ($) | Aug. 01, 2022 USD ($)
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss) |  |  |  |  | $ (189) | $ (5,202) | $ (3,728) | $ 3,502 |  |  |  |  |  |
Accumulated deficit |  |  |  |  | (224,636) |  | (224,636) |  | $ (219,681) |  |  |  |  |
Cash flows from operating activities |  |  |  |  |  |  | $ (6,511) | $ 28,454 |  |  |  |  |  |
Exercise term of warrants |  |  |  |  |  |  | 1 year 11 months 4 days |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Secured Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 45,000
Commitment fee percentage |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants issued | $ / shares |  |  | $ 8.11 |  |  |  |  |  |  |  |  |  |  |
Exercise term of warrants |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | First Closing Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, face amount |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  |  |  | $ 8.11 |  |  |  |  |  |  |  |  |  |
Premium over 5-day VWAP |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |
VWAP term |  |  |  | 5 days |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Second Closing Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, face amount |  |  | $ 20,000 |  |  |  |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  |  | $ 7.89 |  |  |  |  |  |  |  |  |  |  |
Premium over 5-day VWAP |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |
VWAP term |  |  | 5 days |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Third Closing Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, face amount |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  | $ 7.89 |  |  |  |  |  |  |  |  |  |  |  |
Premium over 5-day VWAP |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |
VWAP term |  | 5 days |  |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants issued | $ / shares |  |  | $ 8.11 |  |  |  |  |  |  |  |  |  |  |
Exercise term of warrants |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | First Closing Warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fees payable in warrants |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Common shares available through issuance of warrants | shares |  |  | 55,498 |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Second Closing Warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fees payable in warrants |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Common shares available through issuance of warrants | shares |  |  | 55,498 |  |  |  |  |  |  |  |  |  |  |
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining borrowing capacity |  |  |  |  |  |  |  |  | $ 15,000 |  |  |  | $ 15,000 |
Petrichor Financing | Redemption Agreement | Note Redemptions |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable |  |  |  |  | $ 19,477 |  | $ 19,477 |  |  |  |  |  |  |
Repayment of debt | $ 13,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Principal repayments on debt | 11,800 |  |  |  |  |  |  |  |  |  |  |  |  |
PIK interest repayments on debt | $ 1,271 |  |  |  |  |  |  |  |  |  |  |  |  |
Bridge Bank | Bridge Bank Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of debt |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |
Licensing Agreement | Norgine Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
License agreement funding received |  |  |  |  |  |  |  |  |  | $ 43,000 | $ 43,200 | € 40.0 |  |
License agreement funding, potential milestone payments |  |  |  |  |  |  |  |  |  | $ 230,000 | $ 230,000 | € 210.0 |  |

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