Summary of significant accounting policies - Liability for Sale of Future Royalties (Details) - USD ($) $ in Thousands |
9 Months Ended | ||
---|---|---|---|
Jul. 17, 2020 |
Sep. 30, 2020 |
Sep. 30, 2021 |
|
Assigned royalty payments | |||
Cash consideration received from Royalty Purchase Agreement | $ 650,000 | $ 650,000 | |
Assigned royalty payment, retained percentage | 57.067% | ||
Remaining potential milestones that can be achieved | $ 325,000 | ||
Royalty Purchase Agreement | Assigned Royalty Payments | |||
Assigned royalty payments | |||
Assigned royalty payment, percentage | 42.933% | ||
Cash consideration received from Royalty Purchase Agreement | $ 650,000 | ||
Royalty purchase agreement, termination period | 60 days | ||
Royalty purchase agreement, payment maximum | $ 1,300,000 |