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Organization and description of business operations - August 2022 Offering (Details) - USD ($)
$ / shares in Units, $ in Millions
Oct. 26, 2022
Aug. 08, 2022
Aug. 04, 2022
Aug. 03, 2022
Nov. 09, 2021
Nov. 02, 2021
Dec. 31, 2022
Nov. 07, 2022
Jul. 27, 2022
Mar. 01, 2022
Dec. 31, 2021
Common stock, par value (in dollars per share)             $ 0.001 $ 0.001   $ 0.001 $ 0.001
New issues 36,166   931,667 36,196   426,500          
Granted             108,650        
Shares per warrant           1          
Share issue price           $ 32.00          
Warrants exercise price (in dollars per share)     $ 6.00                
Term of warrants     5 years                
Number of warrants yet to be exercised             1,309,333        
Proceeds from issuance of stock     $ 6.9                
Decrease in exercise price of warrant and right outstanding     $ 1.00   $ 1.00            
Prefunded warrants                      
Granted     401,667     42,250          
Shares per warrant     1     1          
Share issue price     $ 6.00                
Warrants exercise price (in dollars per share)     $ 0.005     $ 31.95     $ 0.005    
Common warrants                      
Granted     1,333,333                
Shares per warrant     1                
Share issue price     $ 5.995                
August 2022 Common Stock Warrants                      
Granted     1,333,333       1,333,333        
Number of warrants exercised   24,000