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Stock Options and Restricted Stock Units - Additional Information (Details) - USD ($) $ in Millions | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Dec. 31, 2022
Restricted Stock Units |  |  |  |
Stock Options |  |  |  |
Compensation cost related to non-vested stock options and restricted stock awards not yet recognized | $ 2.6 |  |  |
Weighted-average period over which compensation cost recognized | 5 months |  |  |
Employee Stock Option |  |  |  |
Stock Options |  |  |  |
Compensation cost related to non-vested stock options and restricted stock awards not yet recognized | $ 1.2 |  |  |
Weighted-average period over which compensation cost recognized | 9 months |  |  |
2013 Stock Plan | Restricted Stock Units |  |  |  |
Stock Options |  |  |  |
Number of Options, Outstanding | 200,000 |  |  |
2013 Stock Plan | Employee Stock Option |  |  |  |
Stock Options |  |  |  |
Number of Options, Outstanding | 5,175,929 | 5,339,162 | 5,343,895 | 6,690,490
2021 Stock Plan | Restricted Stock Units |  |  |  |
Stock Options |  |  |  |
Number of Options, Outstanding | 528,973 |  |  |
2021 Stock Plan | Employee Stock Option |  |  |  |
Stock Options |  |  |  |
Number of Options, Outstanding | 866,307 | 923,571 | 963,500 | 1,027,500

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