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v3.24.1.1.u2

Nature of Business and Liquidity (Details) $ / shares in Units, € in Millions |  |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 04, 2023 USD ($) $ / shares | Sep. 23, 2022 USD ($) $ / shares | Aug. 19, 2022 USD ($) $ / shares | Mar. 31, 2024 USD ($) $ / shares shares | Mar. 31, 2023 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] |  |  |  |  |  |  |  |  |
Net gain from operations |  |  |  | $ 13,743,000 | $ (5,270,000) |  |  |  |
Accumulated deficit |  |  |  | (206,408,000) |  |  |  | $ (219,245,000) |
Cash flows from operating activities |  |  |  | $ 39,047,000 | $ (5,577,000) |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Convertible Note Borrowings |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  | 2.00% |  |  |  |  |
Common shares available through issuance of warrants | shares |  |  |  | 110,996 |  |  |  |  |
Exercise price of warrants issued | $ / shares |  |  |  | $ 8.11 |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Convertible Note Borrowings | Maximum |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 45,000,000
Petrichor Financing | Securities Purchase Agreements | First Closing Note |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Borrowings, face amount |  |  | $ 5,000,000 |  |  |  |  |  |
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 |  | $ 20,000,000 |  |  |  |  |  |  |
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 | $ 5,000,000 |  |  |  |  |  |  |  |
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] |  |  |  |  |  |  |  |  |
Initial conversion price | $ / shares |  | $ 7.89 |  | $ 7.89 |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes | Minimum |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Borrowings, face amount |  |  |  | $ 10,000,000 |  |  |  |  |
Number of loan tranches for remaining borrowing capacity |  | 1 |  | 1 |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Subsequent Closing Notes | Maximum |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 10,000,000 |  |  |  |  |  |  |
Remaining borrowing capacity |  | $ 20,000,000 |  | $ 20,000,000 |  |  |  |  |
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 |  |  |  | 110,996 |  |  |  |  |
Exercise price of warrants issued | $ / shares |  |  |  | $ 8.11 |  |  |  |  |
Exercise term of warrants |  |  |  | 5 years |  |  |  |  |
Petrichor Financing | Securities Purchase Agreements | Second Closing Warrant |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Commitment fees payable in warrants |  |  |  | 50.00% |  |  |  |  |
Commitment fees payable in cash or warrants |  |  |  | 50.00% |  |  |  |  |
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Remaining borrowing capacity | $ 15,000,000 |  |  |  |  |  |  |  |
Initial conversion price | $ / shares | $ 7.89 |  |  | $ 7.89 |  |  |  |  |
Petrichor Financing | SPA First Amendment | Subsequent Closing Notes | Maximum |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Remaining borrowing capacity |  |  |  | $ 15,000,000 |  |  |  |  |
Bridge Bank | Bridge Bank Term Loan |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
Repayment of term loan |  |  | $ 5,000,000 |  |  |  |  |  |
Licensing Agreement | Norgine Ltd. |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
License agreement funding received |  |  |  |  |  | $ 43,200,000 | € 40.0 |  |
License agreement funding, potential milestone payments |  |  |  |  |  | 230,000,000 | € 210.0 |  |
Licensing Agreement | Norgine Ltd. | Maximum |  |  |  |  |  |  |  |  |
Nature of Business and Going Concern [Line Items] |  |  |  |  |  |  |  |  |
License agreement funding, potential milestone payments |  |  |  |  |  | $ 230,000,000 |  |  |

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