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Accrued Expenses and Other Current Liabilities
12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities Accrued Expenses and Other Current Liabilities
Accrued expenses and other current liabilities consist of the following:
December 31,
(in thousands)20212020
Accrued compensation and benefits$24,258 $23,025 
Accrued contract manufacturing & contract research costs20,361 19,617 
Accrued sales rebates and discounts15,989 12,079 
Accrued program fees13,294 16,599 
Accrued professional fees9,377 3,700 
Accrued taxes6,154 11,177 
Accrued royalties4,522 6,550 
Other4,198 4,094 
$98,153 $96,841