Stockholders’ Equity (Details Narrative) - USD ($)			1 Months Ended			2 Months Ended	9 Months Ended
	Oct. 30, 2019	Nov. 09, 2018	Apr. 30, 2019	Oct. 31, 2018	Jul. 31, 2018	May 31, 2018	Sep. 30, 2020
Class of Stock [Line Items]
Conversion of Series E Preferred stock for common stock (in shares)				2
Shares issued upon conversion				20,000
Warrants outstanding (in shares)							69,047,000
Warrants [Member]
Class of Stock [Line Items]
Weighted average exercise price (in dollars per share)							$ 0.29
Warrant [Member]
Class of Stock [Line Items]
Warrants outstanding (in shares)							69,047,000
Adjustable warrants, shares							68,354,517
Number of warrants expired							1,189,079
Warrant [Member] | Convertible Debt [Member]
Class of Stock [Line Items]
Warrants outstanding (in shares)							34,718,750
Subscription Agreements [Member] | Warrant [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock (in shares)		0.75
Exercise price per share (in dollars per share)		$ 0.55				$ 0.55
[custom:ClassOfWarrantOrRightTermDescriptions]		five-year				five years
Subscription Agreements [Member] | Warrant [Member] | Private Placement [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock (in shares)		73
Warrants to purchase shares of common stock (in shares)		73,000			308,000	2,958,460
Series E Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Number of unregistered shares issued during period			107,846
Value of stock issued after convertible securities conversion			$ 53,923
Accrued dividends							$ 3,400,000
Series E Convertible Preferred Stock [Member] | Subscription Agreements [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock (in shares)						2,812
Preferred stock stated dividend rate						8.00%
Series E Convertible Preferred Stock [Member] | Subscription Agreements [Member] | Private Placement [Member]
Class of Stock [Line Items]
Proceeds from private placement						$ 12,200,000
Placement agent fees and estimated expenses						2,000,000
Series E Convertible Preferred Stock [Member] | Subscription Agreements [Member] | Warrant [Member]
Class of Stock [Line Items]
Purchase price of preferred stock						$ 5,000
Common stock at a conversion price (in dollars per share)						$ 0.50
Term of warrant						5 years
Warrants to purchase shares of common stock (in shares)						0.75
Series F Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Accrued dividends							$ 310,000
Stock repurchased during period (in shares)	20
Accrued and unpaid fees	$ 150,000
Value of stock repurchased during period	$ 100,000
Series F Convertible Preferred Stock [Member] | Subscription Agreements [Member]
Class of Stock [Line Items]
Warrants to purchase shares of common stock (in shares)					308
Purchase price of preferred stock		$ 5,000			$ 5,000
Common stock at a conversion price (in dollars per share)		$ 0.50			$ 0.50
Term of warrant		5 years			5 years
Preferred stock stated dividend rate					8.00%
[custom:ClassOfWarrantOrRightTermDescriptions]					five years
Proceeds from private placement		$ 300,000			$ 1,400,000
Placement agent fees and estimated expenses					$ 180,000
Weighted average exercise price (in dollars per share)		$ 0.55			$ 0.55
Series F Convertible Preferred Stock [Member] | Subscription Agreements [Member] | Warrant [Member]
Class of Stock [Line Items]
Common stock at a conversion price (in dollars per share)						$ 0.50
Warrants to purchase shares of common stock (in shares)					0.75
Exercise price per share (in dollars per share)					$ 0.55