Quarterly report pursuant to Section 13 or 15(d)

Apexian Sublicense Agreement (Details)

v3.23.1
Apexian Sublicense Agreement (Details) - Apexian Sublicense Agreement [Member] - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2020
Sublicense Agreement [Abstract]    
Common stock issued (in shares)   891,422
Development and Regulatory Milestones [Member] | Maximum [Member]    
Sublicense Agreement [Abstract]    
Milestone payments $ 11  
Sales Milestones [Member] | Maximum [Member]    
Sublicense Agreement [Abstract]    
Milestone payments $ 20