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LIQUIDITY AND FINANCIAL CONDITION (Details) - USD ($)
1 Months Ended 3 Months Ended
Aug. 31, 2021
Apr. 30, 2024
May 31, 2023
Sep. 30, 2022
Aug. 31, 2021
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Jun. 26, 2023
LIQUIDITY AND FINANCIAL CONDITION                  
Cash and cash equivalents           $ 11,323,428   $ 15,111,450  
Proceeds from issuance of common stock, net             $ 619,974    
Amount of notice received $ 13,100,000                
Funds received from CPRIT grant           6,900,000      
Grant income receivable           300,000      
Revenue recognized           1,244,061 $ 1,234,336    
Common Stock                  
LIQUIDITY AND FINANCIAL CONDITION                  
Number of shares issued (in shares)             212,761    
SBIR grant                  
LIQUIDITY AND FINANCIAL CONDITION                  
Other receivables           200,000      
Funds received from grant           400,000      
Grant income received     $ 2,000,000.0            
Grant income receivable           200,000      
Revenue recognized           200,000      
Grant income                  
LIQUIDITY AND FINANCIAL CONDITION                  
Revenue from CPRIT           800,000      
Revenue recognized           1,244,061 $ 1,234,336    
FDA grant                  
LIQUIDITY AND FINANCIAL CONDITION                  
Funds received from grant           800,000      
Grant income received       $ 2,000,000.0          
Grant income receivable           300,000      
Revenue recognized           $ 300,000 $ 100,000    
Subsequent event                  
LIQUIDITY AND FINANCIAL CONDITION                  
Funds received from grant   $ 300,000              
Subsequent event | SBIR grant                  
LIQUIDITY AND FINANCIAL CONDITION                  
Funds received from grant   200,000              
Subsequent event | FDA grant                  
LIQUIDITY AND FINANCIAL CONDITION                  
Funds received from grant   $ 300,000              
ATM Agreement                  
LIQUIDITY AND FINANCIAL CONDITION                  
Aggregate offering price $ 75,000,000.0       $ 75,000,000.0        
ATM Agreement | Sales Agents                  
LIQUIDITY AND FINANCIAL CONDITION                  
Commission rate         3.00%        
Number of shares issued (in shares)           0 200,261    
Proceeds from issuance of common stock, net             $ 600,000    
ATM Agreement | Sales Agents | Subsequent event                  
LIQUIDITY AND FINANCIAL CONDITION                  
Number of shares issued (in shares)   8,178              
Proceeds from issuance of common stock, net   $ 40,000.00              
Cell Ready Purchase Agreement                  
LIQUIDITY AND FINANCIAL CONDITION                  
Consideration for purchased assets                 $ 19,000,000.0