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Organization and description of business operations - Series A Warrants, Series B Warrants, Bridge Warrants (Details) - $ / shares
9 Months Ended
Aug. 04, 2022
Nov. 09, 2021
May 22, 2020
Sep. 30, 2022
Mar. 04, 2021
Nov. 19, 2020
Warrants            
Warrants exercise price (in dollars per share) $ 6.00          
Term of warrants 5 years          
Issued       144,866    
Decrease in exercise price of warrant and right outstanding $ 1.00 $ 1.00        
Series A Warrants            
Warrants            
Warrants exercise price (in dollars per share)           $ 58.00
Issued       334,036   403,564
Percentage of market trading price to be paid for undeliverable shares       1.50%    
Series B Warrants            
Warrants            
Warrants exercise price (in dollars per share)         $ 0.05  
Issued         455,336  
Bridge warrants            
Warrants            
Warrants exercise price (in dollars per share)     $ 111.81      
Term of warrants     5 years      
Issued     8,275      
Warrant exercise price     $ 15.50      
Decrease in exercise price of warrant and right outstanding     $ 1.00      
Bridge warrants | Minimum            
Warrants            
Percentage of exercise price on reset price     4.99%      
Bridge warrants | Maximum            
Warrants            
Percentage of exercise price on reset price     9.99%