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Accrued and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2020
Accrued and Other Current Liabilities  
Schedule of accrued and other current liabilities

Accrued and other current liabilities consisted of the following (in thousands):

December 31,

    

2020

    

2019

Royalties

    

$

106,011

$

73,221

Clinical related costs

115,897

    

 

88,710

Sales allowances

73,204

59,924

Construction in progress

22,807

12,732

Operating lease liabilities

12,674

9,343

Other current liabilities

 

47,811

 

42,049

Total accrued and other current liabilities

$

378,404

$

285,979