Summary of Warrant Activity (Details) - Warrant Derivative Financial Instruments [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Offsetting Assets [Line Items]
Outstanding as of December 31, 2020	10,066,000	3,584,000
Outstanding as of December 31, weighted-average exercise price (in usd per share)	$ 1.84	$ 3.86
Warrants issued		6,648,000
Warrants issued, warrant exercise price		$ 0.84
Warrants exercised	(7,431,000)	(154,000)
Warrants exercised, exercise price of warrants	$ 98	$ 0.30
Warrants cancelled		(12,000)
Warrants cancelled, exercise price of warrants		$ 18.00
[custom:ClassOfWarrantOrRightOutstandingWeightedAverageRemaingContractualLife]	2 years 4 months 24 days	4 years 4 months 24 days
Outstanding as of December 31, 2021	2,635,000	10,066,000
Outstanding as of December 31, weighted-average exercise price (in usd per share)	$ 4.29	$ 1.84
Warrants exercisable as of December 31	2,635,000
Warrants exercisable, weighted-average exercise price (in usd per share)	$ 4.29
Warrants exercisable as of December 31, 2021, weighted-average remaining contractual life (in years)	2 years 4 months 24 days