Stockholders' Equity - Performance-Based Stock Options (Details) - Performance-Based Stock Options [Member] $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Stock-based compensation
Contractual term	10 years
Number of Shares
Granted (in shares) | shares	1,640,000
Outstanding at the end of the period (in shares) | shares	1,640,000
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	$ 6.6
Total fair value of shares vested	$ 0.0
Weighted-average assumption used for grants
Dividend yield	0.00%
Expected volatility	77.10%
Risk-free interest rate	1.36%
Expected life	6 years 2 months 12 days
Stock-based compensation
Weighted-average grant date fair values of options granted (in dollars per share) | $ / shares	$ 4.58
Exercised during the period, aggregate intrinsic value	$ 0.0
Stock-based compensation expense	$ 1.0