License Agreement (Details) - vTv Therapeutics - USD ($)	1 Months Ended	3 Months Ended
	Dec. 31, 2017	Mar. 31, 2023	Mar. 31, 2022
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payments		$ 0	$ 0
Development and regulatory milestone payments		$ 2,000,000.0
Milestone payments payable on achievement of sales thresholds of the licensed product	$ 30,000,000.0
Research and development
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Upfront license fee payment	$ 3,000,000.0
Common stock issued, Shares	576,443
Milestone payments payable on achievement of development and regulatory milestones	$ 64,500,000