Subsequent Events	9 Months Ended
Sep. 30, 2024
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On October 3, 2024, the Company entered into a purchase and sale agreement (the “Purchase and Sale Agreement”) with DRI Healthcare Acquisitions LP (“DRI”) under which it sold, transferred, assigned, and conveyed to DRI acquired certain future license fees and other payments (the “Purchased Receivables”) owed to the Company by Vertex under the terms of its license agreement with Vertex (the “License Agreement”) in exchange for an upfront cash payment by DRI to the Company of $57.0 million. Under the Purchase and Sale Agreement, DRI is purchasing up to 100% of certain future fixed and sales-based annual license fees owed to the Company under the License Agreement, which fees range from $5.0 million to $40.0 million per year (inclusive of certain sales-based annual license fees that may become due) and a mid-double-digit percentage of a $50.0 million contingent upfront payment that the Company may receive under the License Agreement, in each case after subtracting amounts owing by the Company to Broad and Harvard (each as defined in Note 7). The Company has retained rights to its portions of certain other sales-based annual license fees and the contingent upfront payment that may become due under the License Agreement, and the amounts that correspond to its licensor obligations. The Purchase and Sale Agreement contains other terms, conditions and agreements, including representations and warranties, covenants and indemnity provisions customary for transactions of this type. There are no financial covenants. Under specified circumstances and subject to certain conditions, the Company may be liable for liquidated damages or termination fees in the range of one to two times the amount of the upfront cash payment. The Purchase and Sale Agreement will terminate on the date on which Purchaser has received the last payment of Purchased Receivables that may become payable pursuant to the License Agreement.

On October 3, 2024, the Company entered into a purchase and sale agreement (the “Purchase and Sale Agreement”) with DRI Healthcare Acquisitions LP (“DRI”) under which it sold, transferred, assigned, and conveyed to DRI acquired certain future license fees and other payments (the “Purchased Receivables”) owed to the Company by Vertex under the terms of its license agreement with Vertex (the “License Agreement”) in exchange for an upfront cash payment by DRI to the Company of $57.0 million. Under the Purchase and Sale Agreement, DRI is purchasing up to 100% of certain future fixed and sales-based annual license fees owed to the Company under the License Agreement, which fees range from $5.0 million to $40.0 million per year (inclusive of certain sales-based annual license fees that may become due) and a mid-double-digit percentage of a $50.0 million contingent upfront payment that the Company may receive under the License Agreement, in each case after subtracting amounts owing by the Company to Broad and Harvard (each as defined in Note 7). The Company has retained rights to its portions of certain other sales-based annual license fees and the contingent upfront payment that may become due under the License Agreement, and the amounts that correspond to its licensor obligations.

The Purchase and Sale Agreement contains other terms, conditions and agreements, including representations and warranties, covenants and indemnity provisions customary for transactions of this type. There are no financial covenants. Under specified circumstances and subject to certain conditions, the Company may be liable for liquidated damages or termination fees in the range of one to two times the amount of the upfront cash payment. The Purchase and Sale Agreement will terminate on the date on which Purchaser has received the last payment of Purchased Receivables that may become payable pursuant to the License Agreement.