Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Details Narrative)

v3.21.2
Stock-Based Compensation (Details Narrative) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
Apr. 29, 2021
Jan. 25, 2021
Jan. 25, 2021
Aug. 19, 2020
May 29, 2020
Apr. 14, 2020
Oct. 02, 2019
Apr. 30, 2020
Jul. 31, 2021
Jan. 31, 2021
Jul. 31, 2020
Jan. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Apr. 28, 2021
Mar. 11, 2020
Purchase price of incentive stock options as a percentage of its fair value                         85.00%      
Number of options cancelled                           878,534    
Number of stock option awards outstanding                 3,111,642       3,111,642      
Stock issued for restricted common stock             15,000                  
Stock-based compensation costs             $ 200,000                  
Number of shares issued value                         $ 13,513,638      
Weighted-average grant date fair value of stock options granted                         $ 2.85 $ 1.67    
Restricted stock units vested                         178,540      
Number of shares issued for service, value                         $ 467,500 $ 931,350    
Number of shares authorized for issuance                 8,022,892       8,022,892      
Restricted Stock Units (RSUs) [Member]                                
Stock-based compensation costs                         $ 50,000      
Common Stock [Member]                                
Number of shares issued   7,711,284 7,711,284 4,608,589                 4,608,589      
Number of shares issued value                         $ 461      
Number of shares issued price per share   $ 5.45 $ 5.45 $ 3.25                        
Number of shares issued for service                         137,500 196,999    
Number of shares issued for service, value                         $ 14 $ 20    
Six-Month Holding Period [Member]                                
Stock-based compensation costs                           $ 700,000    
Number of shares issued         185,003                      
Number of shares issued value         $ 302,989                      
Number of shares issued price per share         $ 2.23                      
Number of vesting withholding obligations         117,986                      
Stock Option Cancellation Agreements [Member]                                
Number of options cancelled                           699,140    
Consulting Agreement [Member]                                
Stock issued for restricted common stock             3,000                  
Minimum [Member]                                
Fair value maturity                         5 years 5 years    
Maximum [Member]                                
Fair value maturity                         6 years 6 months 6 years 6 months    
Employees and Consultants [Member]                                
Number of options issued                           179,394    
Number of options issued, value                           $ 26,000    
Senior Level Option Holders [Member]                                
Additional paid-in-capital                     $ 26,000     $ 26,000    
Chief Executive Officers and Seven Other Officers [Member]                                
Payment of bonus                               $ 836,250
Board of Directors [Member]                                
Number of shares issued           302,989                    
Number of shares issued value           $ 418,125                    
2011 Plan [Member]                                
Number of shares authorized for issuance to awards granted 4,600,000                           3,350,000  
Stock option exercisable period                         10 years      
Increase number of shares authorized 1,250,000                              
Number of options issued                         2,313,326      
Number of stock option awards outstanding               15,000 3,111,642   1,442,856   3,111,642 1,442,856    
Stock-based compensation costs                           $ 1,300,000    
Unrecognized compensation cancelled outstanding stock option awards                           1,200,000    
Exercise price                         $ 4.06      
Intrinsic value of options outstanding, value                 $ 639,000       $ 639,000      
2011 Plan [Member] | Stock Option Awards [Member]                                
Stock-based compensation costs                         3,300,000      
Intrinsic value of options outstanding, value                 1,400,000   $ 0   $ 1,400,000 0    
Unrecognized stock-based compensation amortization period                         1 year 7 months 13 days      
Intrinsic value of options exercisable                 $ 3,500,000   $ 2,600,000   $ 3,500,000 2,600,000    
2011 Plan [Member] | Restricted Stock Units [Member]                                
Stock-based compensation costs                         $ 700,000 300,000    
Unrecognized stock-based compensation amortization period                         1 year 10 months 25 days      
2011 Plan [Member] | Restricted Stock Units (RSUs) [Member]                                
Stock-based compensation costs                         $ 1,400,000      
2011 Plan [Member] | Employees, Directors and Consultants [Member]                                
Employee stock purchase program description                         The 2011 Plan authorizes a total of 4,600,000 shares of common stock for issuance. Under the 2011 Plan, incentive stock options are to be granted at a price that is no less than 100% of the fair value of the Company's common stock at the date of grant. Stock options vest over a period specified in the individual option agreements entered into with grantees and are exercisable for a maximum period of 10 years after the date of grant.      
Number of shares authorized for issuance to awards granted                 4,600,000       4,600,000      
Stock-based compensation costs                         $ 4,400,000      
2011 Plan [Member] | Employees, Directors and Consultants [Member] | Research and Development Expense [Member]                                
Stock-based compensation costs                         2,600,000      
2011 Plan [Member] | Employees, Directors and Consultants [Member] | General and Administrative Expense [Member]                                
Stock-based compensation costs                         $ 1,800,000      
2011 Plan [Member] | Employees, Directors and Consultants [Member] | Minimum [Member]                                
Purchase price of incentive stock options as a percentage of its fair value                         100.00%      
Provisional percentage of outstanding stock owned by stockholders                         110.00%      
2011 Plan [Member] | Employees [Member]                                
Number of vesting shares                         791,019      
Unrecognized stock-based compensation expenses                 $ 1,200,000       $ 1,200,000      
Number of options issued                         1,360,826      
Term of stock options                         10 years      
Vesting period of stock options granted                         3 years      
2011 Plan [Member] | Employees [Member] | Common Stock [Member]                                
Number of options issued                         590,000      
Term of stock options                         10 years      
2011 Plan [Member] | Employees [Member] | Minimum [Member]                                
Exercise price                         $ 2.22      
2011 Plan [Member] | Employees [Member] | Minimum [Member] | Common Stock [Member]                                
Exercise price                         3.56      
2011 Plan [Member] | Employees [Member] | Maximum [Member]                                
Exercise price                         7.64      
2011 Plan [Member] | Employees [Member] | Maximum [Member] | Common Stock [Member]                                
Exercise price                         $ 7.45      
2011 Plan [Member] | Four Directors [Member]                                
Number of vesting shares                         91,666      
2011 Plan [Member] | Directors [Member]                                
Unrecognized stock-based compensation expenses                 $ 100,000       $ 100,000      
Number of options issued                         3,375,000      
Stock-based compensation costs                           $ 19,000    
Term of stock options                         10 years      
Vesting period of stock options granted                         3 years      
Exercise price                         $ 3.43      
Weighted-average grant date fair value of stock options granted               $ 1.55                
Number of shares issued for service               12,500                
2011 Plan [Member] | Consultants [Member]                                
Number of options issued                         25,000      
Term of stock options                         10 years      
Exercise price                         $ 3.82      
Number of shares issued for service                         137,500 184,499    
Number of shares issued for service, value                         $ 5,000,000 $ 900,000    
2019 Incentive Bonuses [Member] | Chief Executive Officers and Seven Other Officers [Member]                                
Payment of bonus                               $ 418,125
Number of shares issued price per share                               $ 1.38
2015 Employee Stock Purchase Plan [Member]                                
Stock-based compensation costs                         $ 10,300 $ 3,800    
Number of shares authorized for issuance                 50,000       50,000      
Number of shares purchased                   1,358   2,841 2,257 1,358    
Remaining shares to be issued                 29,794       29,794      
Discount from market price, offering date                         15.00%      
Fair market value of unvested shares, percentage                         15.00%      
Fair value maturity                 6 months 6 months 6 months 6 months        
Fair value risk free interest rate                 0.07% 0.10% 1.54% 2.40%        
Fair value volatility rate                 88.03% 122.84% 76.59% 90.64%        
Fair value forfeitures percentage                 0.00% 0.00% 0.00% 0.00%        
Fair value dividend                 $ 0 $ 0 $ 0 $ 0        
2015 Employee Stock Purchase Plan [Member] | Six Month Call On Unvested Share [Member]                                
Fair market value of unvested shares, percentage                         85.00%