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STOCK-BASED COMPENSATION, Summary of Stock Options (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
shares
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2022
USD ($)
Installment
shares
Sep. 30, 2021
USD ($)
shares
May 24, 2022
shares
Stock-based Compensation [Abstract]          
Stock-based compensation expense | $ $ 476,000 $ 1,729,000 $ 2,538,000 $ 3,302,000  
Proceeds from stock options exercised | $     $ 0 $ 10,000  
Dr. Federoff's [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards outstanding (in shares)         76,000
Stock Options [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards granted (in shares) 188,000 12,000 287,000 180,000  
Incremental fair value of stock options recognized | $     $ 100,000    
Stock-based compensation expense | $     $ 100,000    
Stock option exercised (in shares) 0 65 0 65  
Proceeds from stock options exercised | $   $ 10,202   $ 10,202  
Stock options exercised, intrinsic value | $   $ 57,212   $ 57,212  
Number of stock option awards outstanding (in shares) 362,000   362,000    
Stock Options [Member] | Minimum [Member]          
Stock-based Compensation [Abstract]          
Exercise period of extended post-termination     90 days    
Stock Options [Member] | Maximum [Member]          
Stock-based Compensation [Abstract]          
Exercise period of extended post-termination     36 months    
Stock Options [Member] | Dr. Matthew Angel [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards granted (in shares) 124,000   124,000    
Number of monthly installments | Installment     46    
Stock Options [Member] | Dr. Federoff's [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards granted (in shares)     21,000 161,000  
Number of monthly installments | Installment     36    
Number of accelerated vesting stock option (in shares)     7,000    
Time-Based Grant [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards granted (in shares)       131,000  
Vesting period     4 years    
Number of monthly installments | Installment     36    
Number of accelerated vesting stock option (in shares)     33,000    
Time-Based Grant [Member] | Vesting on one-year Anniversary [Member]          
Stock-based Compensation [Abstract]          
Vesting percentage     25.00%    
Milestone Grant [Member]          
Stock-based Compensation [Abstract]          
Number of stock option awards granted (in shares)       30,000  
Number of accelerated vesting stock option (in shares)     21,000