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Related Party Transactions
 9 Months Ended
Sep. 30, 2020
Related Party Transactions [Abstract]  
Related Party Transactions

12. Related Party Transactions

Casebia

Prior to the termination of the joint venture in December 2019, Casebia was a related party under ASC 850, Related Party Disclosures, or ASC 850. Refer to Note 7, “Joint Venture with Bayer Healthcare LLC.”

Vertex

In the fourth quarter of 2018, upon becoming owners of record of more than 10% of the voting interest of the Company, Vertex became a related party under ASC 850. As of July 2, 2019, upon becoming owners of record of less than 10% of the voting interest of the Company, Vertex was no longer a related party under ASC 850. Refer to Note 7, “Agreements with Vertex Pharmaceuticals Incorporated and certain of its subsidiaries.”