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Accounts payable and accrued expenses - (Tables)
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Schedule of components of accounts payable and accrued expenses

March 31, 

December 31, 

    

2022

    

2021

Employee compensation, benefits, and related accruals

$

29,485

$

55,733

Income tax payable

4,549

1,287

Consulting and contracted research

 

28,391

 

26,434

Professional fees

 

5,013

 

3,547

Sales allowance

 

63,109

 

61,662

Sales rebates

 

57,680

 

68,770

Royalties

30,670

35,679

Accounts payable

 

18,365

 

23,033

Other

 

9,259

 

12,639

Total

$

246,521

$

288,784