Post-effective amendment to a registration statement that is not immediately effective upon filing

Fair Value Measurements - Significant unobservable inputs (Details)

v3.22.1
Fair Value Measurements - Significant unobservable inputs (Details) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Fair Value Measurements    
Stock price on valuation date $ 4.78 $ 11.62
Exercise price per share $ 11.50 $ 11.50
Expected life 4 years 4 months 24 days 4 years 10 months 24 days
Volatility 82.80% 35.70%
Risk-free rate 1.17% 0.85%
Fair value of warrants $ 2.14 $ 3.78