Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Share-based compensation - Inputs into black scholes model (Details)

v3.22.2.2
Share-based compensation - Inputs into black scholes model (Details) - £ / shares
12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Share-based compensation    
Weighted average share price (£) £ 3.30 £ 3.30
Weighted average exercise price (£) £ 0.0001 £ 0.0001
Expected volatility 50.00% 50.00%
Risk-free rate 0.10% 0.10%
Expected dividend yield 0.00% 0.00%