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Expenses by nature (Details) - GBP (£)
£ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Expenses by nature      
Staff costs excluding share-based payment expenses £ 16,230 £ 8,445 £ 3,642
Share based payment expenses 111,996 96  
Warrant expense (note 21) 111,611    
Legal and financial advisory transaction costs 7,350    
Software costs 1,506 579 191
Depreciation expense 377 279 89
Depreciation on right of use assets - Property 176 140 171
Amortisation expense 387 263 70
Consultancy costs 13,144 745 518
Expense on short term leases 49 64 8
Research and development components 11,378 2,555 2,096
Related party administrative expenses 108 144 144
Marketing expenses 3,918    
Stamp duty 6,669    
Other administrative expenses 3,760 565 922
Total administrative and research and development expenses 288,659 £ 13,875 £ 7,851
Staff costs 12,913    
Hardware and testing costs £ 24,291