Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation - Equity Incentive Plan (Details)

v3.22.2
Share-based compensation - Equity Incentive Plan (Details) - Plan - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Jun. 16, 2022
Number of Shares      
Common stock reserved for issuance     1,250,000
Outstanding at the beginning of the period 749,147    
Granted 262,500    
Outstanding at the end of the period 1,011,647 749,147  
Exercisable at June 30, 2022 635,454    
Weighted Average Exercise Price      
Outstanding the beginning of the period $ 9.03    
Granted 4.23    
Outstanding at the end of the period 7.79 $ 9.03  
Exercisable at June 30, 2022 $ 9.41    
Weighted Average Remaining Contractual Term (years)      
Weighted average remaining contractual term (years) 8 years 11 months 15 days 9 years 1 month 2 days  
Exercisable at June 30, 2022 8 years 6 months 18 days    
Intrinsic value of options outstanding $ 0