Annual report pursuant to Section 13 and 15(d)

Share-based Compensation - Additional information (Details)

v3.22.1
Share-based Compensation - Additional information (Details)
1 Months Ended 12 Months Ended
Sep. 02, 2021
$ / shares
shares
Mar. 08, 2021
$ / shares
shares
Jan. 15, 2021
$ / shares
shares
Oct. 10, 2020
$ / shares
shares
Feb. 17, 2020
USD ($)
$ / shares
shares
Aug. 28, 2019
shares
Jul. 31, 2021
individual
employee
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 27, 2021
$ / shares
May 29, 2020
$ / shares
May 26, 2020
shares
May 25, 2020
shares
May 03, 2020
shares
Share-based Compensation                            
Aggregate purchase price | $               $ 13,471,000 $ 1,370,000          
Common stock, par value | $ / shares               $ 0.001 $ 0.001 $ 0.001 $ 0.001      
Options                            
Share-based Compensation                            
Shares awarded               9,286            
Vesting percentage               10.00%            
2019 Plan                            
Share-based Compensation                            
Number of shares reserved for future issuance           57,143   571,429       57,143 2,000,000 485,714
Number of shares available for grant           17,000,000   434,939            
Shares awarded           2,000,000   136,490            
2019 Plan | Options                            
Share-based Compensation                            
Shares awarded               142,858            
2019 Plan | Executive officer                            
Share-based Compensation                            
Number of shares available for grant           500,000           14,285    
2019 Plan | Director Member                            
Share-based Compensation                            
Aggregate purchase price | $         $ 40,000                  
2019 Plan | Director Member | Share Based Compensation Award Tranche One Member                            
Share-based Compensation                            
Vesting percentage         0.50%                  
Number of options granted         81,633                  
Exercise price per share | $ / shares         $ 0.49                  
2019 Plan | Director Member | Vesting in equal installments on June 2020 and September 2020                            
Share-based Compensation                            
Vesting percentage         0.50%                  
2019 Long-Term Incentive Plan | Contractor                            
Share-based Compensation                            
Vesting percentage     20.00%                      
2019 Long-Term Incentive Plan | Contractor | Maximum                            
Share-based Compensation                            
Vesting percentage     80.00%                      
2019 Long-Term Incentive Plan | Director Member                            
Share-based Compensation                            
Vesting percentage         0.50%                  
Aggregate purchase price | $         $ 40,000                  
2019 Long-Term Incentive Plan | Director Member | Share Based Compensation Award Tranche One Member                            
Share-based Compensation                            
Vesting percentage         0.50%                  
Number of options granted         81,633                  
Exercise price per share | $ / shares         $ 0.49                  
2019 Long-Term Incentive Plan | Director Member | Vesting in equal installments on June 2020 and September 2020                            
Share-based Compensation                            
Vesting percentage         0.50%                  
Incentive stock options | 2019 Plan                            
Share-based Compensation                            
Shares awarded             152,143              
Number of employees to whom options granted | employee             2              
Number of contractors to whom options granted | individual             1              
Number of options granted               90,478 363,028          
Exercise price per share | $ / shares               $ 3.960526 $ 1.0185          
Intrinsic value | $               $ 529,000            
Un-recognized share-based compensation expense | $               $ 195,000            
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   $ 2.80                        
Incentive stock options | 2019 Plan | Dr. Jerome Zeldis, a member of the board of directors | Maximum                            
Share-based Compensation                            
Number of options granted   19,048                        
Incentive stock options | 2019 Plan | Mr. Steven Glassman, a member of the board of directors                            
Share-based Compensation                            
Exercise price per share | $ / shares   $ 2.80                        
Incentive stock options | 2019 Plan | Mr. Steven Glassman, a member of the board of directors | Maximum                            
Share-based Compensation                            
Number of options granted   14,286                        
Incentive stock options | 2019 Long-Term Incentive Plan                            
Share-based Compensation                            
Options vesting period               4 years            
Incentive stock options | 2019 Long-Term Incentive Plan | Contractor                            
Share-based Compensation                            
Shares awarded     14,286                      
Exercise price per share | $ / shares     $ 2.80                      
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 14,286                          
Exercise price per share | $ / shares $ 5.25                          
Restricted stock award                            
Share-based Compensation                            
Shares awarded       19,048                    
Exercise price per share | $ / shares       $ 2.10