XML 42 R32.htm IDEA: XBRL DOCUMENT v3.21.2
Regeneron License and Collaboration Arrangement (Tables)
 6 Months Ended
Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]  
Summary of Change in Company's Contract Liabilities

The following tables present changes in the Company’s contract liabilities for the six months ended June 30, 2021 and 2020 (in thousands):

 

Six Months Ended June 30, 2021

 

Balance at
beginning
of period

 

 

Additions

 

 

Additions (Deductions)
(1)

 

 

Balance at
end of period

 

Contract liability

 

$

13,980

 

 

$

—

 

 

$

(833

)

 

$

13,147

 

 

 

Six Months Ended June 30, 2020

 

Balance at
beginning
of period

 

 

Additions

 

 

Additions (Deductions)
(1)

 

 

Balance at
end of period

 

Contract asset

 

$

—

 

 

$

10,000

 

 

$

—

 

 

$

10,000

 

Contract liability

 

$

21,883

 

 

$

10,000

 

 

$

(9,465

)

 

$

22,418

 

 

(1)
Deductions to contract liabilities relate to deferred revenue recognized as revenue during the reporting period.