Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation - Additional information (Details)

v3.21.2
Share-based Compensation - Additional information (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 09, 2021
USD ($)
$ / shares
shares
Mar. 08, 2021
$ / shares
shares
Jan. 15, 2021
$ / shares
shares
Oct. 10, 2020
$ / shares
shares
Feb. 17, 2020
USD ($)
$ / shares
shares
Jul. 31, 2020
individual
employee
shares
Mar. 31, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Sep. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
May 03, 2021
shares
May 02, 2021
shares
May 26, 2020
shares
May 25, 2020
shares
Aug. 28, 2019
shares
Share-based Compensation                                  
Aggregate purchase price | $             $ 285,000 $ 395,000 $ 375,000 $ 620,000              
Common stock, par value | $ / shares                     $ 0.001 $ 0.001          
Options                                  
Share-based Compensation                                  
Shares awarded                     325,000            
Vesting percentage                     10.00%            
2019 Plan                                  
Share-based Compensation                                  
Number of shares reserved for future issuance                     20,000,000   20,000,000 17,000,000 17,000,000 2,000,000 2,000,000
Number of shares available for grant                     16,722,616            
Shares awarded                     3,277,384            
2019 Plan | Options                                  
Share-based Compensation                                  
Shares awarded                     5,000,000            
2019 Plan | Executive officer                                  
Share-based Compensation                                  
Number of shares available for grant                         500,000   500,000   500,000
2019 Long-Term Incentive Plan | Board of Director                                  
Share-based Compensation                                  
Aggregate purchase price | $         $ 40,000                        
2019 Long-Term Incentive Plan | Board of Director | First grant                                  
Share-based Compensation                                  
Vesting percentage         50.00%                        
Number of options granted         2,857,141                        
Exercise price per share | $ / shares         $ 0.014                        
2019 Long-Term Incentive Plan | Board of Director | Vesting in equal installments on June 2020 and September 2020                                  
Share-based Compensation                                  
Vesting percentage         50.00%                        
Incentive stock options | 2019 Plan                                  
Share-based Compensation                                  
Shares awarded           5,325,000                      
Number of employees to whom options granted | employee           2                      
Number of contractors to whom options granted | individual           1                      
Term of options                     10 years            
Number of options granted                     3,166,667 12,705,949          
Exercise price per share | $ / shares                     $ 0.113158 $ 0.0291          
Intrinsic value | $                     $ 988,000            
Un-recognized share-based compensation expense | $                     $ 247,000            
Period of recognition of stock based compensation expense                     12 months            
Incentive stock options | 2019 Plan | Dr. Jerome Zeldis, a member of the board of directors                                  
Share-based Compensation                                  
Exercise price per share | $ / shares   $ 0.06                              
Incentive stock options | 2019 Plan | Dr. Jerome Zeldis, a member of the board of directors | Maximum                                  
Share-based Compensation                                  
Number of options granted   666,667                              
Incentive stock options | 2019 Plan | Mr. Steven Glassman, a member of the board of directors                                  
Share-based Compensation                                  
Exercise price per share | $ / shares   $ 0.08                              
Incentive stock options | 2019 Plan | Mr. Steven Glassman, a member of the board of directors | Maximum                                  
Share-based Compensation                                  
Number of options granted   500,000                              
Incentive stock options | 2019 Plan | Contractor                                  
Share-based Compensation                                  
Number of options granted     500,000                            
Exercise price per share | $ / shares     $ 0.06                            
Incentive stock options | 2019 Plan | First grant | Contractor                                  
Share-based Compensation                                  
Vesting percentage     20.00%                            
Incentive stock options | 2019 Plan | Vesting in November 2022 | Contractor                                  
Share-based Compensation                                  
Vesting percentage     80.00%                            
Incentive stock options | 2019 Long-Term Incentive Plan                                  
Share-based Compensation                                  
Options vesting period                     4 years            
Incentive stock options | 2019 Long-Term Incentive Plan | Yaakov Spinrad, Miranda J. Toledano and Adam Levy, Members of the board of directors                                  
Share-based Compensation                                  
Number of options granted 500,000                                
Exercise price per share | $ / shares $ 0.15                                
Restricted stock award                                  
Share-based Compensation                                  
Shares awarded       666,667                          
Exercise price per share | $ / shares       $ 0.06                          
Non-qualified stock options | 2019 Long-Term Incentive Plan                                  
Share-based Compensation                                  
Number of options granted 500,000                                
Exercise price per share | $ / shares $ 0.001                                
Options vesting period                     4 years            
Common stock, par value | $ / shares $ 0.15                                
Non-qualified stock options | 2019 Long-Term Incentive Plan | Chairperson                                  
Share-based Compensation                                  
Cash retained | $ $ 10,000