XML 164 R154.htm IDEA: XBRL DOCUMENT v3.21.2
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Unapproved Black-Scholes [Member]  
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted [Line Items]  
Exercise price £nil
Expected volatility 46.00%
Dividend yield
Risk free interest rate 0.00%
Unapproved Black-Scholes [Member] | Minimum [Member]  
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted [Line Items]  
Share valuation (in Dollars per share) | $ / shares $ 0.72
Fair value per share (in Shares) | shares 0.72
Unapproved Black-Scholes [Member] | Maximum [Member]  
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted [Line Items]  
Share valuation (in Dollars per share) | $ / shares $ 4.47
Fair value per share (in Shares) | shares 4.47
EMI Black-Scholes [Member]  
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted [Line Items]  
Share valuation (in Dollars per share) | $ / shares $ 0.10
Exercise price £0.10
Expected volatility 66.00%
Dividend yield
Risk free interest rate 0.80%
Fair value per share (in Shares) | shares 0.17
Unapproved Black-Scholes One [Member]  
Share based payments (Details) - Schedule of relevant in the determination of fair value of the employee share options granted [Line Items]  
Share valuation (in Dollars per share) | $ / shares $ 0.17
Exercise price £nil
Expected volatility 62.00%
Dividend yield
Risk free interest rate 0.75%
Fair value per share (in Shares) | shares 0.17