Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details Narrative)

v3.24.1
STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
May 03, 2019
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
May 01, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                    
Weighted average grant date fair value of options (in dollars per share)               $ 3.99 $ 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               $ 9,300,000 $ 10,900,000  
Unrecognized compensation cost               $ 6,100,000    
Unrecognized compensation cost, recognition period               1 year 8 months 12 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               $ 6,400,000 7,900,000  
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               $ 2,900,000 3,000,000  
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%    
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               1,071,599    
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%    
2023 Employee Stock Purchase Plan [Member]                    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                    
Number of shares authorized 800,000                  
Percent of fair value of common stock at grant date 85.00%                  
Number of shares available for future grants               800,000    
Accrued expenses               $ 44,000    
Employee Stock Purchase Plan [Member]                    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                    
Stock-based compensation expense               $ 34,000 $ 46,000  
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      
Employee Stock Purchase Plan 2022 [Member]                    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                    
Employee stock purchase plan (in shares)     14,999              
Transfer to additional paid in capital           $ 29,000        
ESPP withholdings returned to employees           $ 14,000        
Employee Stock Purchase Plan 2022 [Member] | Subsequent Event [Member]                    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                    
Employee stock purchase plan (in shares)   66,359                
Transfer to additional paid in capital         $ 24,000          
ESPP withholdings returned to employees         $ 20,000