Commitments and Contingencies - YourChoice and Pfizer License Agreement (Details)	6 Months Ended
	Jun. 30, 2023 USD ($)
Commitments and Contingencies
Percentage of royalty payments	2.50%
Tier One Net Sales Milestone [Member]
Commitments and Contingencies
Sales based milestone payment	$ 1,000,000
Payments for specified global net sales milestones	500,000,000
Tier Two Net Sales Milestone [Member]
Commitments and Contingencies
Sales based milestone payment	1,500,000
Payments for specified global net sales milestones	1,000,000,000
Tier Three Net Sales Milestone [Member]
Commitments and Contingencies
Sales based milestone payment	4,000,000
Payments for specified global net sales milestones	3,000,000,000
Tier Four Net Sales Milestone [Member]
Commitments and Contingencies
Sales based milestone payment	8,000,000
Payments for specified global net sales milestones	5,000,000,000
YourChoice | License Agreements
Commitments and Contingencies
Milestones or royalty payments triggered	0
Royalty and milestone payment due	$ 19,500,000
Percentage of royalty payments	0.50%
YourChoice | License Agreements | Milestone Payments
Commitments and Contingencies
Royalty and milestone payment due	$ 5,000,000
Pfizer, Inc. | License Agreements
Commitments and Contingencies
Number of years after the first commercial sale	five
Milestones or royalty payments triggered	$ 0
Pfizer, Inc. | License Agreements | Milestone Payments | Maximum
Commitments and Contingencies
Potential payments upon achievement of certain milestones	37,000,000