Stock Warrants - Warrant Activity (Details) - $ / shares	6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	29,847,994	10,681,327
Exercise price of warrants issued	$ 1.09
Remaining Contractual Life	3 years 6 months 14 days
Warrants Expiring August 2021 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	1,250,000
Exercise price of warrants issued	$ 4.00
Remaining Contractual Life	2 months 1 day
Warrants One Expiring June 2022 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	199,659
Exercise price of warrants issued	$ 6.00
Remaining Contractual Life	11 months 8 days
Warrants Two Expiring June 2022 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	350,000
Exercise price of warrants issued	$ 5.00
Remaining Contractual Life	11 months 8 days
Warrants Expiring January 2023 [Member]
Class Of Warrant Or Right [Line Items]
Shares subject to issuance upon exercise of warrants then outstanding	256,667
Exercise price of warrants issued	$ 3.75
Remaining Contractual Life	1 year 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	8,625,001
Exercise price of warrants issued	$ 0.50
Remaining Contractual Life	3 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	19,166,667
Exercise price of warrants issued	$ 1.00
Remaining Contractual Life	4 years 10 months 6 days