Stockholders Equity (Summary of Warrants Outstanding) (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	21,147,219
Term of warrant	5 years	5 years
Exercise Price $21.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	597,881
Exercise Price	$ 21.00
Warrant Expiration Date	May 10, 2022
Exercise Price $5.60
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	1,183,491
Exercise Price	$ 5.60
Warrant Expiration Date	Oct. 16, 2023
Exercise Price $2.87
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	993,139
Exercise Price	$ 2.87
Warrant Expiration Date	Feb. 11, 2025
Exercise Price $2.87.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	7,717,661
Exercise Price	$ 2.87
Warrant Expiration Date	Mar. 27, 2025
Exercise Price $3.25.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	1,867,912
Exercise Price	$ 3.25
Warrant Expiration Date	Jan. 26, 2026
Exercise Price $3.25
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	4,285,935
Exercise Price	$ 3.25
Warrant Expiration Date	Mar. 16, 2026
Exercise Price $5.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	1,807,396
Exercise Price	$ 5.00
Warrant Expiration Date	Feb. 09, 2027
Exercise Price $5.00.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	2,692,604
Exercise Price	$ 5.00
Warrant Expiration Date	Mar. 31, 2027
Exercise Price 1680.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	1,200
Exercise Price	$ 1,680.00