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Liabilities
 3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Liabilities Liabilities
Accounts payable and accrued expenses consisted of the following:
March 31,
2022		December 31,
2021
Trade payables$14,026 $5,174 
Accrued research and development expenses52,997 50,963 
Employee compensation and vacation accruals5,869 3,346 
Accrued legal and professional fees941 1,064 
Other2,501 2,220 
Total$76,334 $62,767 

Other long-term liabilities consisted of the following:
March 31,
2022		December 31,
2021
Liability for contingent consideration (note 12)$1,248 $1,498 
Liability from in-licensing agreements1,150 1,150 
Finance lease liability (note 11)92 100 
Total$2,490 $2,748