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Transactions and balances with related parties - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2020
Deferred income    
Threshold percentage for disclosure of related party transactions, individual ownership of any class of securities 10.00%  
MTN    
Deferred income    
Expenses   $ 251
Prepayments by related party for employee purchases   $ 1,097
Former Members of the Management Board    
Deferred income    
Key management personnel compensation $ 1,700