Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

v3.22.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Fixed asset impairment charges $ 0 $ 0
Uninsured cash balances 19,400,000  
Cancer treatment research award 2,000,000.0  
Reduction in research and development $ 697,000  
Minimum    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Property and equipment useful lives 3 years  
Share-based compensation expiration period 12 months  
Maximum    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Property and equipment useful lives 10 years  
Share-based compensation expiration period 3 years  
Leasehold improvements    
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Property and equipment useful lives 64 months