Stockholders' Equity (Deficit) - Common Stock Warrant Activity (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Class of Warrant or Right
Outstanding at December 31, 2020 | shares	16,967,828
Exercised | shares	(5,867,198)
Outstanding at December 31, 2021 | shares	8,732,230
Warrant exercise price at December 31,2020 | $ / shares	$ 1.28
Exercised | $ / shares	0.04
Warrant exercise price at December 31,2021 | $ / shares	$ 2.04
Class of Warrant Two [Member]
Class of Warrant or Right
Expired | shares	(2,368,400)
Warrant exercise price per share, expired | $ / shares	1.52