Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.22.2.2
Subsequent Events (Details)
 1 Months Ended 2 Months Ended 3 Months Ended 12 Months Ended
Sep. 20, 2022
item
$ / shares
shares
Sep. 06, 2022
item
individual
$ / shares
shares
Sep. 30, 2022
shares
Oct. 31, 2022
shares
Aug. 31, 2022
shares
May 31, 2022
Chief Executive Officer            
Subsequent Event [Line Items]            
Number of severance months           18 months
Former CEO            
Subsequent Event [Line Items]            
Number of severance months           18 months
Stock Options            
Subsequent Event [Line Items]            
Stock option granted, Shares         200,000  
Options term         10 years  
Time Based Restricted Stock Units            
Subsequent Event [Line Items]            
Common stock issued for other than options         200,000  
Performance Shares [Member]            
Subsequent Event [Line Items]            
Common stock issued for other than options         0  
Subsequent Event | Chief Executive Officer            
Subsequent Event [Line Items]            
Stocks issued for severance payment       80,816    
Subsequent Event | Scientific Advisory Board            
Subsequent Event [Line Items]            
Stock option granted, Shares     50,000      
Subsequent Event | 2012 Equity Incentive Plan            
Subsequent Event [Line Items]            
Stock option granted, exercise price | $ / shares   $ 0.50        
Options term   10 years        
Subsequent Event | 2012 Equity Incentive Plan | Fully vested nonqualified stock options            
Subsequent Event [Line Items]            
Number Of Nonemployee Directors | individual   3        
Subsequent Event | 2012 Equity Incentive Plan | Fully vested nonqualified stock options | Tanya Durkee Urbach            
Subsequent Event [Line Items]            
Stock option granted, Shares   112,500        
Subsequent Event | 2012 Equity Incentive Plan | Fully vested nonqualified stock options | Lishomwa Ndhlovu            
Subsequent Event [Line Items]            
Stock option granted, Shares   112,500        
Subsequent Event | 2012 Equity Incentive Plan | Fully vested nonqualified stock options | Karen J Brunke            
Subsequent Event [Line Items]            
Stock option granted, Shares   37,500        
Subsequent Event | 2012 Equity Incentive Plan | Fully vested nonqualified stock options | Dr. Ndhlovu, SAB Member            
Subsequent Event [Line Items]            
Stock option granted, Shares   50,000        
Subsequent Event | 2012 Equity Incentive Plan | Partially vested nonqualified stock options            
Subsequent Event [Line Items]            
Number Of Nonemployee Directors | individual   4        
Subsequent Event | 2012 Equity Incentive Plan | Partially vested nonqualified stock options | Ms. Urbach, Ms. Brunke and Dr. Ndhlovu            
Subsequent Event [Line Items]            
Stock option granted, Shares   247,111        
Number of equal monthly installments over which balance shares are vesting | item   9        
Subsequent Event | 2012 Equity Incentive Plan | Partially vested nonqualified stock options | Ryan Dunlap            
Subsequent Event [Line Items]            
Stock option granted, Shares   185,333        
Number of equal monthly installments over which balance shares are vesting | item   9        
Subsequent Event | 2012 Equity Incentive Plan | Partially vested nonqualified stock options | Tranche One [Member] | Ms. Urbach, Ms. Brunke and Dr. Ndhlovu            
Subsequent Event [Line Items]            
Vesting percentage   25.00%        
Subsequent Event | 2012 Equity Incentive Plan | Stock Options | President [Member]            
Subsequent Event [Line Items]            
Stock option granted, Shares 1,575,557          
Number of equal monthly installments over which balance shares are vesting | item 36          
Stock option granted, exercise price | $ / shares $ 0.58          
Subsequent Event | 2012 Equity Incentive Plan | Stock Options | CFO            
Subsequent Event [Line Items]            
Stock option granted, Shares 630,222          
Number of equal monthly installments over which balance shares are vesting | item 36          
Stock option granted, exercise price | $ / shares $ 0.58          
Subsequent Event | 2012 Equity Incentive Plan | Stock Options | Tranche One [Member] | President [Member]            
Subsequent Event [Line Items]            
Vesting percentage 25.00%          
Subsequent Event | 2012 Equity Incentive Plan | Stock Options | Tranche One [Member] | CFO            
Subsequent Event [Line Items]            
Vesting percentage 25.00%          
Subsequent Event | 2012 Equity Incentive Plan | Restricted Stock Units (RSUs) [Member] | President [Member]            
Subsequent Event [Line Items]            
Number of equal annual installments | item 4          
Common stock issued for other than options 646,552          
Subsequent Event | 2012 Equity Incentive Plan | Performance Shares [Member] | President [Member]            
Subsequent Event [Line Items]            
Common stock issued for other than options 646,552