Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details Narrative)

v3.23.2
STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
May 03, 2019
Jan. 31, 2023
Jan. 31, 2022
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
May 01, 2020
Jan. 16, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Weighted average grant date fair value of options (in dollars per share)       $ 2.73   $ 23.63   $ 4.01 $ 32.81    
Share-Based Payment Arrangement, Option [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Expiration period               10 years      
Stock-based compensation expense       $ 2,400,000   $ 2,800,000   $ 5,200,000 $ 5,400,000    
Unrecognized compensation cost       10,300,000       $ 10,300,000      
Unrecognized compensation cost, recognition period               1 year 10 months 13 days      
Share-Based Payment Arrangement, Option [Member] | General and Administrative Expense [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Stock-based compensation expense       1,600,000   2,000,000.0   $ 3,600,000 3,900,000    
Share-Based Payment Arrangement, Option [Member] | Research and Development Expense [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Stock-based compensation expense       $ 800,000   $ 800,000   $ 1,600,000 1,500,000    
Share-Based Payment Arrangement, Option [Member] | Director [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Vesting period               1 year      
Share-Based Payment Arrangement, Option [Member] | Executive Officer [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Service period               1 year      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Vesting percentage               33.33%      
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Two [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Vesting percentage               2.78%      
2019 Incentive Stock Option Plan [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Number of shares authorized 700                    
2020 Stock Incentive Plan [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Number of shares authorized                     3,000
Amended and Restated 2020 Plan [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Number of shares authorized                   50,000  
Percentage of additional shares authorized               20.00%      
Percent of fair value of common stock at grant date               100.00%      
Expiration period               10 years      
Number of shares available for future grants       1,057,051       1,057,051      
Amended and Restated 2020 Plan [Member] | 10% or more Shareholder [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Percent of fair value of common stock at grant date               110.00%      
Employee Stock Purchase Plan 2022 [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Number of shares authorized 15,000                    
Percent of fair value of common stock at grant date 85.00%                    
Number of shares available for future grants       1       1      
Employee stock purchase plan (in shares)   14,999                  
Transfer to additional paid in capital         $ 29,000            
ESPP withholdings returned to employees         $ 14,000            
2020 Employee Stock Purchase Plan [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                      
Employee stock purchase plan (in shares)     646                
Transfer to additional paid in capital             $ 40,000        
ESPP withholdings returned to employees                 $ 30,000