Subsequent Events	12 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events On January 13, 2022, the Company entered into a Negotiated Purchase Order Terms and Conditions for Clinical and Commercial Product (the “Fresenius Agreement”) with Fresenius Kabi, LLC (“Fresenius Kabi”) pursuant to which Fresenius Kabi will manufacture FYARRO for the Company, and the Company will purchase FYARRO as a finished drug product from Fresenius Kabi, on a purchase-order basis. Under the Agreement, which shall be effective through December 22, 2022 (or such later date as may be agreed between the parties in writing and currently being discussed), the Company may purchase FYARRO for either clinical or commercial purposes for use in the United States and Canada. In addition to manufacturing, Fresenius Kabi will perform specified labeling, packaging and serialization activities in respect of FYARRO for the Company’s benefit. The price of FYARRO will be fixed, subject to the ability of Fresenius Kabi to increase pricing under specified circumstances. The Company has an obligation to purchase certain minimum quantities of FYARRO. Failure to purchase those minimum quantities will result in an additional payment from the Company to Fresenius Kabi.

Subsequent Events

12 Months Ended

Dec. 31, 2021

17. Subsequent Events

On January 13, 2022, the Company entered into a Negotiated Purchase Order Terms and Conditions for Clinical and Commercial Product (the “Fresenius Agreement”) with Fresenius Kabi, LLC (“Fresenius Kabi”) pursuant to which Fresenius Kabi will manufacture FYARRO for the Company, and the Company will purchase FYARRO as a finished drug product from Fresenius Kabi, on a purchase-order basis. Under the Agreement, which shall be effective through December 22, 2022 (or such later date as may be agreed between the parties in writing and currently being discussed), the Company may purchase FYARRO for either clinical or commercial purposes for use in the United States and Canada. In addition to manufacturing, Fresenius Kabi will perform specified labeling, packaging and serialization activities in respect of FYARRO for the Company’s benefit. The price of FYARRO will be fixed, subject to the ability of Fresenius Kabi to increase pricing under specified circumstances. The Company has an obligation to purchase certain minimum quantities of FYARRO. Failure to purchase those minimum quantities will result in an additional payment from the Company to Fresenius Kabi.