Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details Narrative)

v3.20.4
STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
May 03, 2020
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Mar. 12, 2021
May 01, 2020
Jan. 16, 2020
May 03, 2019
Weighted average grant date fair value other than option (in dollars per share)             $ 0.66 $ 16.54        
Stock-based compensation expense             $ 2,900 $ 1,500        
General and Administrative Expense [Member]                        
Stock-based compensation expense             2,000 1,100        
Research and Development [Member]                        
Stock-based compensation expense             $ 900 $ 400        
Employee Stock Options [Member]                        
Weighted average grant date fair value other than option (in dollars per share)             $ 2,900 $ 1,500        
Unrecognized compensation cost             $ 5,600          
Unrecognized weighted average period             2 years 2 months 1 day          
Number of shares issued under ESPP             300,000          
Common Stock [Member]                        
Number of shares issued under ESPP             1,578 2,558        
2020 Employee Stock Purchase Plan [Member]                        
Number of shares available for future grants             245,533          
Compensation expense             $ 23          
2018 Employee Stock Purchase Plan [Member]                        
Employee payroll deductions withheld               $ 6        
2018 Employee Stock Purchase Plan [Member] | Common Stock [Member]                        
Transfer to additional paid-in capital         $ 2 $ 3 $ 32          
Number of shares issued under ESPP       177                
ESPP withholdings returned to employees         $ 7              
2019 Employee Stock Purchase Plan [Member]                        
Stock purchase price percentage 85.00%                      
Number of shares issued under ESPP     1,578                  
Compensation expense               $ 28        
2019 Incentive Stock Option Plan [Member]                        
Number of shares authorized             456,250         140,000
Amended and Restated 2020 Plan [Member]                        
Percent of fair value of common stock at grant date                   100.00%    
Amended and Restated 2020 Plan [Member] | Maximum [Member]                        
Number of shares issued             10,000,000          
Amended and Restated 2020 Plan [Member] | 10% or more Shareholder [Member]                        
Percent of fair value of common stock at grant date                   110.00%    
2020 Incentive Stock Option Plan [Member]                        
Number of shares authorized                     600,000  
Subsequent Event [Member] | 2020 Employee Stock Purchase Plan [Member]                        
Transfer to additional paid-in capital   $ 28                    
ESPP withholdings returned to employees   $ 4                    
Number of shares issued   1,578                    
Subsequent Event [Member] | Amended and Restated 2020 Plan [Member]                        
Number of shares available for future grants                 19,172,111