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Royalty-Linked Notes - Additional Information (Details) - Royalty-Linked Notes |  |  | 9 Months Ended
--- | --- | --- | ---
Sep. 08, 2020 Debtinstrument | Jan. 21, 2020 USD ($) Debtinstrument | Sep. 30, 2021 USD ($) $ / RNL
Debt Instrument [Line Items] |  |  |
Debt instrument outstanding portion | $ / RNL |  |  | 0.04
Debt instrument maturity date |  |  | Dec. 31, 2045
Aggregate amount payable per unit |  |  | $ 160.00
Debt instrument, aggregate potential payment capped rate |  |  | 4,000
Interest expense |  |  | $ 1,204,000
Sulopenem |  |  |
Debt Instrument [Line Items] |  |  |
Debt discounts |  | $ 1,239,000 |
Estimated effective interest rate |  |  | 31.70%
Private Placement |  |  |
Debt Instrument [Line Items] |  |  |
Number of debt instruments issued | Debtinstrument |  | 2,579,400 |
Rights Offering |  |  |
Debt Instrument [Line Items] |  |  |
Number of debt instruments issued | Debtinstrument | 11,000 |  |

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