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Share Based Payments (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
May 31, 2020
$ / shares
May 31, 2020
£ / shares
Share Based Payments (Details) [Line Items]            
Total outstanding fair value charge $ 974 $ 1,176        
Total expenses $ 51 1,199 $ 5,173      
Expected term of the award 4 years          
Exercise price for options issued to employees and directors | (per share)         $ 0.48 £ 0.35
Share based payment transactions $ 1,019          
Charge of forfeitures 57 332        
Share-based payment charges $ 26    
Tiziana Life Sciences PLC [Member]            
Share Based Payments (Details) [Line Items]            
Total expenses 703          
Black-Scholes-Merton Valuation model [Member]            
Share Based Payments (Details) [Line Items]            
Total outstanding fair value charge $ 2,602 $ 3,223 $ 12,339