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Finance income, finance costs and changes in the fair value of financial instruments
 6 Months Ended
Jun. 30, 2022
Text block [abstract]  
Finance income, finance costs and changes in the fair value of financial instruments
4. Finance income, finance costs and changes in the fair value of financial instruments
Finance income
 
    
Six months
to June 30,
2022

£’000
     
Six months
to June 30,
2021

£’000
  
Interest income on short-term deposits
      173        1  
    
 
 
     
 
 
  
Total
   
 
173
 
   
 
1
 
    
 
 
     
 
 
  
Finance costs
 
    
Six months
to June 30,
2022

£’000
     
Six months
to June 30,
2021

£’000
  
Interest on convertible loan notes
      (1,567 )       (1,792 ) 
Interest on lease liabilities
      (113 )       (105 ) 
Discounting of provision for deferred cash consideration
      (163 )       (72 ) 
Other
      (16 )       (18 ) 
    
 
 
     
 
 
  
Total
   
 
(1,859
) 
   
 
(1,987
) 
    
 
 
     
 
 
  
Changes in the fair value of financial instruments
 
    
Six months
to June 30,
2022

£’000
     
Six months
to June 30,
2021

£’000
  
Changes in the fair value of warrants – placement
      1,091        14,301  
Changes in the fair value of warrants – bank loan
      119        62  
    
 
 
     
 
 
  
Total
   
 
1,210
 
   
 
14,363