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LICENSE AGREEMENT - Columbia (Details) - USD ($)
1 Months Ended 3 Months Ended 90 Months Ended
Oct. 03, 2019
Mar. 31, 2019
Jan. 31, 2019
Oct. 31, 2016
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Dec. 31, 2023
Agreements                
Research and development         $ 12,217,000 $ 15,935,000    
General and administrative         9,066,000 5,583,000    
Operating expenses         21,283,000 21,518,000    
Accrued expenses and other current liabilities         14,641,000   $ 14,641,000 $ 15,286,000
Accounts payable         4,019,000   4,019,000 1,742,000
License Agreements and Research Services Agreements | Columbia University                
Agreements                
Operating expenses         100,000 $ 100,000 3,000,000.0  
Accrued expenses and other current liabilities         28,000   28,000 29,000
Accounts payable         $ 0   $ 0 $ 0
2016 license agreement | Columbia University                
Agreements                
Percentage of outstanding common stock issued       5.00%        
Fair value of stock issued       $ 500,000        
Written notice period for termination of agreement       90 days        
Written notice period for termination of agreement, uncured material breach       30 days        
Extended written notice period for termination of agreement, attempt to cure material breach       90 days        
2016 license agreement | Columbia University | Minimum                
Agreements                
Percentage of sublicensing revenue, if sublicenses rights granted       10.00%        
2016 license agreement | Columbia University | Maximum                
Agreements                
Payment on achievement of specified development and regulatory milestones       $ 1,300,000        
Payment on achievement of specified level of aggregate annual net sales       $ 1,000,000.0        
Percentage of sublicensing revenue, if sublicenses rights granted       20.00%        
2019 license agreement | Columbia University | Maximum                
Agreements                
Payment on achievement of specified development and regulatory milestones     $ 1,300,000          
Payment on achievement of specified level of aggregate annual net sales     $ 1,000,000.0          
2019 research agreement | Columbia University                
Agreements                
Agreement term   12 months            
PI3k Research agreement | Columbia University                
Agreements                
Agreement term 18 months