Stockholders Equity (Summary of Warrants Outstanding) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Jan. 26, 2021	Jan. 27, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	16,647,219
Exercise Price $21.00 [Member]
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 [Member]
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 $1,680.00 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants	1,200
Exercise Price	$ 1,680.00
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
Securities Purchase Agreement [Member] | Common Stock Subject to Mandatory Redemption [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price		$ 3.25
Securities Purchase Agreement [Member] | Warrants and Rights Subject to Mandatory Redemption [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price			$ 2.87