Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	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, 2018	2,379		5,846,552
Balance at Dec. 31, 2018	$ 2	$ 2,378,997	$ 1,052,372	$ 82,204,902	$ (76,831,263)	$ 8,805,010
Issuance of common stock upon warrant exercise (in shares)			2,799,188
Issuance of common stock upon warrant exercise			$ 503,854	10,832,856		11,336,710
Conversion of Series B convertible preferred stock to common stock (in shares)	1,677		(476,431)
Conversion of Series B convertible preferred stock to common stock	$ (1)	(1,676,998)	$ 85,753	1,591,246
Compensation cost for stock options granted				275,833		275,833
Reclassification of stock-based compensation liability upon option cancellation				3,151,944		3,151,944
Net loss					(4,073,307)	(4,073,307)
Conversion of Series B convertible preferred stock to common stock (in shares)	(1,677)		476,431
Balance (in shares) at Mar. 31, 2019	702		9,122,171
Balance at Mar. 31, 2019	$ 1	701,999	$ 1,641,979	98,056,781	(80,904,570)	19,496,190
Balance (in shares) at Dec. 31, 2018	2,379		5,846,552
Balance at Dec. 31, 2018	$ 2	2,378,997	$ 1,052,372	82,204,902	(76,831,263)	$ 8,805,010
Issuance of common stock upon warrant exercise (in shares)						2,800,000
Net loss						$ (11,335,836)
Balance (in shares) at Jun. 30, 2019	676		9,129,563
Balance at Jun. 30, 2019	$ 1	675,999	$ 1,643,309	103,400,247	(88,167,099)	17,552,457
Balance (in shares) at Mar. 31, 2019	702		9,122,171
Balance at Mar. 31, 2019	$ 1	701,999	$ 1,641,979	98,056,781	(80,904,570)	19,496,190
Conversion of Series B convertible preferred stock to common stock (in shares)	26		(7,392)
Conversion of Series B convertible preferred stock to common stock		(26,000)	$ 1,330	24,670
Compensation cost for stock options granted				5,318,796		5,318,796
Net loss					(7,262,529)	(7,262,529)
Conversion of Series B convertible preferred stock to common stock (in shares)	(26)		7,392
Balance (in shares) at Jun. 30, 2019	676		9,129,563
Balance at Jun. 30, 2019	$ 1	675,999	$ 1,643,309	103,400,247	(88,167,099)	17,552,457
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, 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
Net loss						(6,853,562)
Balance (in shares) at Jun. 30, 2020	626		9,303,878
Balance at Jun. 30, 2020	$ 1	625,999	$ 1,674,686	106,998,222	(100,924,602)	8,374,306
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
Conversion of Series B convertible preferred stock to common stock (in shares)	45		(12,786)
Conversion of Series B convertible preferred stock to common stock		(45,000)	$ 2,301	42,699
Compensation cost for stock options granted				1,036,484		1,036,484
Net loss					(3,906,142)	(3,906,142)
Conversion of Series B convertible preferred stock to common stock (in shares)	(45)		12,786
Issuance of common stock, net of issuance costs of $178,544 (in shares)			160,108
Issuance of common stock, net of issuance costs of $178,544			$ 28,820	318,807		347,627
Balance (in shares) at Jun. 30, 2020	626		9,303,878
Balance at Jun. 30, 2020	$ 1	$ 625,999	$ 1,674,686	$ 106,998,222	$ (100,924,602)	$ 8,374,306