Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock Additional Paid-in Capital [Member] Series B Convertible Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock, Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member] Preferred Stock [Member] Series B Convertible Preferred Stock [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member] Preferred Stock Additional Paid-in Capital [Member] Series B Convertible Preferred Stock [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member] Common Stock [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member] Common Stock, Additional Paid-in Capital [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member] Retained Earnings [Member]	Conversion of Series B Convertible Preferred Stock into Common Stock [Member]	Preferred Stock [Member] Series B Convertible Preferred Stock [Member]	Preferred Stock Additional Paid-in Capital [Member] Series B Convertible Preferred Stock [Member]	Common Stock [Member]	Common Stock, Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019											671		9,130,984
Balance at Dec. 31, 2019											$ 1	$ 670,999	$ 1,643,565	$ 104,912,480	$ (94,071,040)	$ 13,156,005
Compensation cost for stock options granted														687,752		687,752
Net loss															(2,947,420)	(2,947,420)
Balance (in shares) at Mar. 31, 2020											671		9,130,984
Balance at Mar. 31, 2020											$ 1	670,999	$ 1,643,565	105,600,232	(97,018,460)	10,896,337
Balance (in shares) at Dec. 31, 2020											621		47,548,835
Balance at Dec. 31, 2020		$ 9,731,714	$ 3,271,361	$ 13,003,075							$ 1	620,999	$ 8,558,778	129,887,146	(111,898,992)	27,167,932
Compensation cost for stock options granted														639,751		639,751
Net loss															(3,538,069)	(3,538,069)
Issuance of common stock and warrants, net of issuance costs of $5,493,310 (in shares)													41,211,100
Issuance of common stock and warrants, net of issuance costs of $5,493,310													$ 7,417,998	62,250,410		69,668,408
Issuance of common stock upon warrant exercise (in shares)													32,064,148
Issuance of common stock upon warrant exercise													$ 5,771,547	26,988,755		32,760,302
Conversion of convertible preferred stock to common stock (in shares)					(1)		285
Conversion of Series B convertible preferred stock to common stock						$ (1,000)	$ 51	$ 949
Balance (in shares) at Mar. 31, 2021											620		120,824,368
Balance at Mar. 31, 2021											$ 1	$ 619,999	$ 21,748,374	$ 229,498,725	$ (112,165,700)	$ 139,701,399