Stock Warrants - Warrant Activity (Details) - $ / shares	6 Months Ended
	Jun. 30, 2022	Mar. 15, 2021
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	1,402,417	534,067
Exercise price of warrants issued	$ 17.43
Remaining Contractual Life	3 years 5 months 4 days
Warrants Expiring January 2023 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	12,833
Exercise price of warrants issued	$ 75
Remaining Contractual Life	6 months 29 days
Warrants Expiring January 2025 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	431,250
Exercise price of warrants issued	$ 10
Remaining Contractual Life	2 years 6 months 29 days
Warrants Expiring May 2026 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	958,334
Exercise price of warrants issued	$ 20
Remaining Contractual Life	3 years 10 months 6 days