Annual report pursuant to Section 13 and 15(d)

Share-based Compensation - Additional information (Details)

v3.21.1
Share-based Compensation - Additional information (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Oct. 10, 2020
$ / shares
shares
Feb. 17, 2020
USD ($)
$ / shares
shares
Jul. 31, 2020
employee
individual
shares
May 31, 2020
employee
individual
shares
Aug. 31, 2019
employee
individual
shares
Dec. 31, 2019
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
May 26, 2020
shares
May 25, 2020
shares
Aug. 28, 2019
shares
Share-based Compensation                      
Aggregate purchase price | $             $ 1,370,000 $ 673,000      
Options                      
Share-based Compensation                      
Shares awarded             325,000        
Vesting percentage             10.00%        
2019 Plan                      
Share-based Compensation                      
Number of shares reserved for future issuance             17,000,000   17,000,000 2,000,000 2,000,000
Number of shares available for grant             13,705,949        
Shares awarded             3,294,051        
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
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                      
Granted   2,857,141                  
Exercise Price | $ / shares   $ 0.014                  
Incentive stock options | 2019 Plan                      
Share-based Compensation                      
Shares awarded     5,325,000 5,325,000 1,000,000            
Number of employees to whom options granted | employee     2 2 2            
Number of contractors to whom options granted | individual     1 1 1            
Term of options         10 years            
Granted           1,000,000 12,705,949        
Exercise Price | $ / shares           $ 0.053525 $ 0.0291        
Intrinsic value | $             $ 681,000        
Un-recognized share-based compensation expense | $             $ 72,000        
Period of recognition of stock based compensation expense             12 years        
Incentive stock options | 2019 Plan | First grant                      
Share-based Compensation                      
Vesting percentage         50.00%            
Incentive stock options | 2019 Plan | First anniversary                      
Share-based Compensation                      
Vesting percentage         50.00%            
Restricted stock award                      
Share-based Compensation                      
Shares awarded 666,667                    
Exercise Price | $ / shares $ 0.06