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Segment and Geographic Information
 12 Months Ended
Dec. 31, 2024
Segment Reporting [Abstract]  
Segment and Geographic Information Segment and Geographic Information
Operating segments are defined as components of an enterprise for which separate financial information is available and evaluated regularly by the chief operating decision maker in deciding how to allocate resources and in assessing performance. The Company operates in one segment: pharmaceutical products. Its chief operating decision maker is the Chief Executive Officer, who makes operating decisions, assesses performance, and allocates resources on a consolidated basis.
The primary measure of segment profitability for the Company’s operating segment is considered to be consolidated net loss. Significant segment expenses reviewed by the CODM on a regular basis included within net loss include cost of product sales, research and development expenses and selling, general and administrative expenses which are separately presented on the Company’s Consolidated Statements of Operations. Other segment items within net loss include interest income, net, other (expense) income, net and income tax expense.
The Company’s long-lived assets are primarily located in the U.S. and China.
Net product revenues by geographic area are based upon the location of the customer, and net collaboration revenue is recorded in the jurisdiction in which the related income is expected to be sourced from. Total net revenues by geographic area are presented as follows:
 Year Ended December 31,
 202420232022
 $$$
U.S. - total revenue1,957,498 1,128,219 502,626 
Product revenue1,950,530 945,551 389,710 
Collaboration revenue6,968 182,668 112,916 
China- total revenue1,411,307 1,101,951 840,032 
Product revenue1,390,699 1,093,091 840,032 
Collaboration revenue20,608 8,860 — 
Europe- total revenue362,626 202,014 63,257 
Product revenue359,507 122,228 14,864 
Collaboration revenue3,119 79,786 48,393 
Rest of world- total revenue78,810 26,595 10,006 
Product revenue78,810 28,982 10,006 
Collaboration revenue— (2,387)— 
Total Revenue3,810,241 2,458,779 1,415,921