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RESEARCH AND LICENSE AGREEMENTS WITH ACADEMIC PARTNERS - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty expense $ 169,000 $ 181,000 $ 333,000 $ 335,000
1997 Amended License Agreement [Member]        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty expense 139,000 181,000 298,000 335,000
2006 Research Agreement [Member]        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Maximum obligation 2,700,000   2,700,000  
Research and development expense incurred $ 133,000 $ 256,000 $ 416,000 $ 451,000