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Stockholders' Equity - Market-Based Stock Options (Details) - Market Based Stock Options [Member]
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Stock-based compensation  
Share price | $ / shares $ 14.00
Threshold period of specified consecutive trading days within which common stock price to be trade to vest stock options 20 days
Minimum percentage of closing price of the Company's common stock on the market-based stock option grant date 207.00%
Contractual term 10 years
Number of Shares  
Granted (in shares) | shares 3,700,000
Outstanding at the end of the period (in shares) | shares 3,700,000
Weighted Average Exercise Price  
Granted (in dollars per share) | $ / shares $ 6.77
Outstanding at the end of the period (in dollars per share) | $ / shares $ 6.77
Additional option disclosures  
Outstanding at the end of the period, weighted average remaining contractual term 9 years 11 months 8 days
Total unrecognized compensation cost related to non-vested shares | $ $ 17.8
Unrecognized compensation cost, weighted-average period 6 years 9 months 18 days
Total fair value of shares vested | $ $ 0.0
Weighted-average assumption used for grants  
Dividend yield 0.00%
Expected volatility 67.80%
Risk-free interest rate 1.50%
Expected life 10 years
Stock-based compensation  
Weighted-average grant date fair values of options granted (in dollars per share) | $ / shares $ 4.87
Exercised during the period, aggregate intrinsic value | $ $ 0.0
Stock-based compensation expense | $ $ 0.2