Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($)	Series H Preferred Stock [Member]	Series H-3 Preferred Stock [Member]	Series H-4 Preferred Stock	Series H-5 Preferred Stock	Series H-6 Preferred Stock	Common Stock	Additional Paid-in Capital [Member]	Accumulated (Deficit) [Member]	Total
Beginning balance, shares at Dec. 31, 2018	8	2,189	26,619	0	0	1,633,394
Beginning balance, amount at Dec. 31, 2018	$ 0	$ 0	$ 3	$ 0	$ 0	$ 163	$ 32,791,951	$ (29,753,721)	$ 3,038,396
Issuance of common stock for cash, shares						478,469
Issuance of common stock for cash, amount						$ 48	1,984,953		1,985,001
Exercise of warrants, shares						277,778
Exercise of warrants, amount						$ 28	16,639		16,667
Conversion of Series H-4 preferred stock into common stock, shares			(21,591)			1,412,420
Conversion of Series H-4 preferred stock into common stock, amount			$ (2)			$ 141	(139)
Stock based compensation for options issued to employees (net of forfeitures)							(19,361)		(19,361)
Stock based compensation for restricted stock units issued to employees							289,842		289,842
Stock based compensation for common stock issued to service provider, shares						116,666
Stock based compensation for common stock issued to service provider, amount						$ 12	222,188		222,200
Net loss								(1,975,706)	(1,975,706)
Ending balance, shares at Mar. 31, 2019	8	2,189	5,028	0	0	3,918,727
Ending balance, amount at Mar. 31, 2019	$ 0	$ 0	$ 1	$ 0	$ 0	$ 392	35,286,073	(31,729,427)	3,557,039
Beginning balance, shares at Dec. 31, 2019	8	2,189	5,028	34,722	0	4,061,882
Beginning balance, amount at Dec. 31, 2019	$ 0	$ 0	$ 1	$ 3	$ 0	$ 406	37,581,914	(34,713,979)	2,868,345
Stock based compensation for options issued to employees (net of forfeitures)							30,735		30,735
Issuance of H-6 preferred stock in exchange for H-5 preferred stock, shares				(34,722)	34,722
Issuance of H-6 preferred stock in exchange for H-5 preferred stock, amount				$ (3)	$ 3
Conversion of Series H-6 preferred stock into common stock, shares					(4,900)	490,000
Conversion of Series H-6 preferred stock into common stock, amount						$ 49	(49)
Net loss								(1,057,662)	(1,057,662)
Ending balance, shares at Mar. 31, 2020	8	2,189	5,028	0	29,822	4,551,882
Ending balance, amount at Mar. 31, 2020	$ 0	$ 0	$ 1	$ 0	$ 3	$ 455	$ 37,612,600	$ (35,771,641)	$ 1,841,418