Collaboration and License Agreements (Details 2) - $ / shares	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Determine the estimated fair value of the enterprise value milestone payments
Closing stock price as of re measurement date	$ 4.76
Amended MSK License
Determine the estimated fair value of the enterprise value milestone payments
Risk-free interest rate	3.90%	4.00%
Expected volatility	84.00%	78.10%
Estimated term (in years)	15 years 6 months	16 years
Closing stock price as of re measurement date	$ 4.76	$ 10.09