License Agreement (Details) - vTv Therapeutics - USD ($)	1 Months Ended		58 Months Ended
	Dec. 31, 2020	Dec. 31, 2017	Sep. 30, 2022	Sep. 30, 2021
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Milestone payments			$ 0	$ 0
Milestone payments paid	$ 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