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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accrued Expenses and Other Current Liabilities |  |
Research and development costs | $ 12,443 | $ 12,925
Professional fees | 3,945 | 3,833
Payroll related | 11,497 | 15,439
Royalties | 1,454 | 1,180
Sales Allowances | 12,962 | 9,475
Other | 5,776 | 5,410
Accrued expenses and other current liabilities | $ 48,077 | $ 48,262

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