Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation - Unregistered Securities (Details)

v3.22.2.2
Share-based compensation - Unregistered Securities (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 19, 2022
Sep. 30, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Discount rates 3.69%    
Expected life 5 years    
Expected volatility 96.46%    
Share price $ 0.50    
Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted   262,500  
Options term   10 years  
Exercise price   $ 4.23  
Remaining contractual term   8 years 8 months 15 days 9 years 1 month 2 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]      
Share price   $ 4.23  
Plan | Non-qualified stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted   292,500  
Options term   10 years  
Exercise price   $ 10.00  
Vesting percentage   100.00%  
Remaining contractual term   8 years 2 months 19 days  
Unrecognized compensation expense   $ 0  
Intrinsic value of options exercisable   $ 0