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v3.25.1

Stock-Based Compensation - Stock Option Activity (Details) - Employee Stock Option - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Shares |  |  |
Outstanding, beginning of year (in shares) | 6,850,889 |  |
Granted (in shares) | 4,056,600 |  |
Exercised (in shares) | 0 |  |
Cancelled or forfeited (in shares) | (50,182) |  |
Expired (in shares) | (289) |  |
Outstanding, end of year (in shares) | 10,857,018 |  | 6,850,889
Vested and exercisable (in shares) | 3,057,331 |  |
Vested and expected to vest (in shares) | 10,857,018 |  |
Weighted-Average Exercise Price |  |  |
Outstanding, beginning of year (in dollars per share) | $ 13.75 |  |
Granted (in dollars per share) | 6.63 |  |
Cancelled or forfeited (in dollars per share) | 10.14 |  |
Expired (in dollars per share) | 650.85 |  |
Outstanding at end of year (in dollars per share) | 11.09 |  | $ 13.75
Vested and exercisable at end of year (in dollars per share) | 14.91 |  |
Vested and expected to vest at end of the year (in dollars per share) | $ 11.09 |  |
Weighted Average Remaining Contractual Term (years) |  |  |
Outstanding | 8 years 9 months 3 days |  | 8 years 3 months 21 days
Vested and exercisable | 7 years 3 months 10 days |  |
Vested and expected to vest | 8 years 9 months 3 days |  |
Aggregate Intrinsic Value |  |  |
Outstanding | $ 391 |  | $ 2,946
Vested and exercisable | 281 |  |
Vested and expected to vest | 391 |  |
Additional disclosures |  |  |
Intrinsic value of options exercised |  | $ 100 |
Aggregate fair value of options vested | $ 8,300 | $ 3,200 |
Weighted average grant date fair value of options granted (in dollars per share) | $ 4.64 | $ 10.4 |
Unrecognized compensation expense related to unvested stock option awards | $ 47,800 |  |
Weighted-average amortization period over which cost is expected to be recognized | 3 years 1 month 6 days |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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