Annual report pursuant to Section 13 and 15(d)

Revenue (Details)

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Revenue (Details) - GlaxoSmithKline Intellectual Property Development Ltd
12 Months Ended
Dec. 31, 2019
item
contract
Dec. 31, 2019
customer
Dec. 31, 2018
customer
Revenue      
Number of customers 1 1 1
Number of geographic locations 1