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Risks arising from financial instruments and risk management (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2022
EUR (€)
Dec. 31, 2022
CAD ($)
Dec. 31, 2022
LSL (M)
Dec. 31, 2021
USD ($)
customer
Dec. 31, 2021
EUR (€)
customer
Dec. 31, 2021
CAD ($)
customer
Dec. 31, 2021
LSL (M)
customer
Dec. 31, 2020
USD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2020
LSL (M)
Dec. 31, 2022
GBP (£)
Dec. 31, 2022
CAD ($)
Dec. 31, 2021
GBP (£)
Dec. 31, 2021
CAD ($)
Dec. 31, 2021
LSL (M)
Dec. 31, 2020
GBP (£)
Risks arising from financial instruments and risk management                                  
Estimated effect on net income of specified percentage change in relative values of currencies $ 13,000 € 256,000 $ 181,000 M 0 $ 161,000 € 0 $ 3,000 M 143,000 $ 0 $ 0 M 156,000            
Specified percentage change in relative values of currencies 5.00% 5.00% 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%                  
Number of customers holding over 10% of balance 1       1 1 1 1                  
Portion of balance held 85.00% 85.00% 85.00% 85.00% 94.00% 94.00% 94.00% 94.00%                  
GPB | Financial liabilities at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       £ 948,725   £ 239,763      
GPB | Trade and other payables                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       923,725   239,763      
GPB | Loans and borrowings                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       25,000          
GPB | Financial assets at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       624,538   2,608,657      
GPB | Cash                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       75,315   2,577,674      
GPB | Trade and other receivables                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | £                       £ 149,223   £ 30,983     £ 344
LSL | Financial liabilities at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | M                               M 46,811,903  
LSL | Loans and borrowings                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | M                               7,846,551  
LSL | Lease liabilities [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | M                               38,965,352  
LSL | Financial assets at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | M                               321,646  
LSL | Cash                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | M                               M 321,646  
CAD | Financial liabilities at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                         $ 5,398,888   $ 234,711    
CAD | Trade and other payables                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                         3,629,380   234,711    
CAD | Lease liabilities [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                         448,064        
CAD | Financial assets at amortised cost, class [member]                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                         497,566   255,880    
CAD | Cash                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                         $ 140,423   255,880    
CAD | Trade and other receivables                                  
Risks arising from financial instruments and risk management                                  
Amount of risks exposure | $                             $ 255,880