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STOCK-BASED COMPENSATION, Summary of Stock Options (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2022
shares
Apr. 30, 2021
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Mar. 31, 2021
shares
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
Installment
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Jun. 30, 2021
USD ($)
Installment
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May 24, 2022
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Stock-based Compensation [Abstract]                
Stock-based compensation expense | $       $ 879,000 $ 1,154,000 $ 2,062,000 $ 1,573,000  
Proceeds from stock options exercised | $           $ 0 $ 10,000  
Dr. Federoffs's [Member]                
Stock-based Compensation [Abstract]                
Number of stock option awards outstanding (in shares)               1,523,000
Stock Options [Member]                
Stock-based Compensation [Abstract]                
Number of stock option awards granted (in shares)       723,000 3,366,000 1,981,000 3,366,000  
Incremental fair value of stock options recognized | $           $ 100,000    
Stock-based compensation expense | $           $ 100,000    
Stock option exercised (in shares)       0 1,300 0 1,300  
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)       3,750,000   3,750,000    
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. Federoffs's [Member]                
Stock-based Compensation [Abstract]                
Number of stock option awards granted (in shares)   3,225,000 414,000          
Number of monthly installments | Installment           36    
Number of accelerated vesting stock option (in shares)           138,000    
Time-Based Grant [Member]                
Stock-based Compensation [Abstract]                
Number of stock option awards granted (in shares)   2,628,000            
Vesting period             4 years  
Number of monthly installments | Installment             36  
Number of accelerated vesting stock option (in shares) 657,000              
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)   597,000            
Number of accelerated vesting stock option (in shares) 415,000