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Royalty and Commercial Payment Purchase Agreements - Bioasis (Details) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 02, 2020 USD ($) | Feb. 25, 2019 USD ($) agreement | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Agreements |  |  |  |  |
Long-term royalty and commercial payment receivables |  |  | $ 63,683,000 | $ 69,075,000 | $ 34,575,000
Contingent consideration under RPAs and CPPAs |  |  | 75,000 | 8,075,000 |
Impairment of long-term royalty receivable |  |  | 0 | $ 0 |
Bioasis | Royalty Purchase Agreement |  |  |  |  |
Agreements |  |  |  |  |
Percentage of option to purchase royalty right on future license agreements |  | 1.00% |  |  |
Number of future license agreements under optional purchase right | agreement |  | 2 |  |  |
Obligation upon exercise of options per licensed product, second agreement |  | $ 300,000 |  |  |
Obligation upon exercise of options per licensed product, third agreement |  | 400,000 |  |  |
Payments related to purchase of royalty rights and other commercial payment rights |  | 300,000 |  |  |
Long-term royalty and commercial payment receivables |  | 400,000 |  |  |
Contingent consideration under RPAs and CPPAs |  | 100,000 | 100,000 |  |
Changes in estimated fair value of contingent consideration |  |  | 0 |  |
Payments of contingent consideration |  |  | 0 |  |
Impairment of long-term royalty receivable |  |  | 0 |  |
Bioasis | Royalty Purchase Agreement | Maximum |  |  |  |  |
Agreements |  |  |  |  |
Potential future cash payments |  | $ 200,000 |  |  |
Bioasis | Second Royalty Purchase Agreement |  |  |  |  |
Agreements |  |  |  |  |
Payments related to purchase of royalty rights and other commercial payment rights | $ 1,200,000 |  |  |  |
Long-term royalty and commercial payment receivables | $ 1,200,000 |  |  |  |
Impairment of long-term royalty receivable |  |  | $ 0 |  |

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