Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Narrative)

v3.22.2.2
Stock-Based Compensation (Details Narrative) – USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Jan. 31, 2023
Jan. 31, 2022
Jul. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted average grant date fair value $ 7.31  $ 33.00       
Common stock issued for services   $ 42,500       
Number of shares authorized for issuance 4,545,455        4,545,455 
Restricted Stock Units (RSUs) [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense $ 53,000  $ 76,000       
Weighted-average period term 7 months 17 days         
Stock-based compensation costs $ 100,000         
Common Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Common stock issued for services,shares   568       
Common stock issued for services          
Consultants [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Common stock issued for services,shares   568       
Common stock issued for services   $ 40,000.00       
2011 Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted average remaining contractual term 8 years 1 month 6 days         
Number of options issued 2,273         
Allocated share based compensation expense $ 500,000         
Weighted-average period term 7 months 6 days         
2011 Plan [Member] | Maximum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Weighted average remaining contractual term 10 years         
2011 Plan [Member] | Employee, Director and Consultants [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Number of shares for issuance 209,091         
2011 Plan [Member] | Employee, Director and Consultants [Member] | Minimum [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Fair value of common stock percent 100.00%         
Percentage of outstanding stock owned by stockholders 110.00%         
2011 Plan [Member] | Director [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Term of stock options 10 years         
Exercise price, upper range $ 9.94         
2011 Plan [Member] | Director [Member] | Common Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Number of options issued 2,273         
2011 Plan [Member] | Employees [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Term of stock options   10 years       
Exercise price, upper range   $ 49.72       
Exercise price, lower range   $ 44.22       
2011 Plan [Member] | Employees [Member] | Stock Option Awards [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense $ 300,000         
2011 Plan [Member] | Employees [Member] | Common Stock [Member] | Equity Option [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Number of options issued   1,064       
2011 Plan [Member] | Employee, Director and Consultants [Member] | Stock Option Awards [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense   $ 500,000       
2011 Plan [Member] | Employee, Director and Consultants [Member] | Stock Option Awards [Member] | Research and Development Expense [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense 100,000  300,000       
2011 Plan [Member] | Employee, Director and Consultants [Member] | Stock Option Awards [Member] | General and Administrative Expense [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense 200,000  200,000       
2015 Employee Stock Purchase Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Allocated share based compensation expense $ 300  $ 1,200       
Number of shares authorized for issuance 2,273         
Stock Repurchased 1,218         
Discount from market price, offering date 15.00%         
Fair value maturity       six-month   
Fair value risk free interest rate       0.05%   
Fair value volatility rate       72.99%   
Fair value forfeitures percentage       0.00%   
Fair value dividend       $ 0   
2015 Employee Stock Purchase Plan [Member] | Subsequent Event [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Fair value maturity     six-month     
Fair value risk free interest rate     2.91%     
Fair value volatility rate     75.04%     
Fair value forfeitures percentage     0.00%     
Fair value dividend     $ 0     
2015 Employee Stock Purchase Plan [Member] | Six Month Call on Unvested Share [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Fair market value of unvested shares percentage 85.00%         
2015 Employee Stock Purchase Plan [Member] | Six Month Put on Unvested Share [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Fair market value of unvested shares percentage 15.00%