Warrant Liability - Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Warrant Liability.
Risk-free interest rate	0.05%	0.12%
Expected volatility	174.54	137.89
Expected term (in years)	1 month 6 days	1 year 1 month 6 days
Exercise Price	$ 8.00	$ 8.00
Market value of common stock	$ 2.30	$ 1.25