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Asset purchase by Century Therapeutics Canada ULC (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Jun. 09, 2020
Jun. 30, 2022
Jul. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Asset Acquisition [Line Items]            
Release of escrow deposit       $ 520 $ 523  
In-process research and development (IPR&D) asset | Empirica Agreement            
Asset Acquisition [Line Items]            
Total consideration transferred $ 4,519          
Buyer transaction expenses 203          
Escrow deposit $ 1,506          
Release of escrow deposit   $ 517 $ 523      
In-process research and development (IPR&D) asset | Empirica Agreement | Accrued expenses and other liabilities            
Asset Acquisition [Line Items]            
Accrued compensation expense       $ 120   $ 261