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Accounts payable and accrued expenses

9 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Accounts payable and accrued expenses

5.        Accounts payable and accrued expenses

Accounts payable and accrued expenses at September 30, 2021 and December 31, 2020 consist of the following:

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​	​	​	​	​	​	​	​
​	​	September 30,		​	December 31,		​
​		2021			2020		​
Employee compensation, benefits, and related accruals	​	$	39,367	​	$	53,291	​
Income tax payable	​	​	—	​	​	4,315	​
Consulting and contracted research	​		22,553	​		18,250	​
Professional fees	​		5,174	​		3,614	​
Sales allowance	​		60,980	​		54,327	​
Sales rebates	​		67,056	​		63,774	​
Royalties	​	​	27,928	​	​	16,575	​
Accounts payable	​		21,462	​		18,665	​
Other	​		7,809	​		9,357	​
Total	​	$	252,329	​	$	242,168	​

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- Definition

The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period.

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