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RESEARCH AND LICENSE AGREEMENTS WITH ACADEMIC PARTNERS - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty expense $ 181 $ 149 $ 335 $ 261
1997 Amended License Agreement [Member]        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Royalty expense 181,000 149,000 335,000 261,000
2006 Research Agreement [Member]        
Research and Development Arrangement, Contract to Perform for Others [Line Items]        
Maximum obligation 2,400   2,400  
Research and development expense incurred $ 256,000 $ 394,000 $ 451,000 $ 679,000