Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan (Details 1)

v3.22.1
Stock Incentive Plan (Details 1) - shares
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Number of Shares Subject to Options Outstanding 1,543,989 1,258,577 1,087,463
Options outstanding Contractual Term in Years 6 years 6 months 18 days    
Number of shares fully vested and exercisable 1,198,703    
Options fully vested and exercisable Contractual Term in Years 5 years 11 months 19 days    
Option 1      
Number of Shares Subject to Options Outstanding 567,920    
Options outstanding Contractual Term in Years 4 years 9 months 21 days    
Number of shares fully vested and exercisable 556,045    
Options fully vested and exercisable Contractual Term in Years 4 years 8 months 15 days    
Exercise price 0.001-$5.00    
Option 2      
Number of Shares Subject to Options Outstanding 822,316    
Options outstanding Contractual Term in Years 7 years 5 months 23 days    
Number of shares fully vested and exercisable 530,694    
Options fully vested and exercisable Contractual Term in Years 6 years 10 months 17 days    
Exercise price 5.01-$10.00    
Option 3      
Number of Shares Subject to Options Outstanding 145,232    
Options outstanding Contractual Term in Years 8 years 1 month 2 days    
Number of shares fully vested and exercisable 103,443    
Options fully vested and exercisable Contractual Term in Years 8 years 1 month 2 days    
Exercise price 10.01-$15.00    
Option 4      
Number of Shares Subject to Options Outstanding 8,521    
Options outstanding Contractual Term in Years 5 years 10 months 17 days    
Number of shares fully vested and exercisable 8,521    
Options fully vested and exercisable Contractual Term in Years 5 years 10 months 17 days    
Exercise price 15.01-$20.00