Consolidated Statements of Stockholders' Equity - 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, 2017			2,651,952
Balance at Dec. 31, 2017			$ 477,342	$ 71,887,674	$ (65,426,329)	$ 6,938,687
Issuance of stock and warrants, net of issuance costs (in shares)	13,624
Issuance of stock and warrants, net of issuance costs	$ 14	6,926,778		5,363,759		12,290,551
Allocation of Series B convertible preferred stock to beneficial conversion feature		(4,782,100)		4,782,100
Deemed dividend on convertible preferred stock		11,479,308		(11,479,308)
Conversion of convertible preferred stock to common stock (in shares)	11,245		(3,194,600)
Conversion of convertible preferred stock to common stock	$ 12	11,244,989	$ (575,030)	(10,669,971)
Conversion of convertible preferred stock to common stock	(12)	(11,244,989)	575,030	10,669,971
Amortization of commitment shares				(72,790)		(72,790)
Compensation cost for stock options granted				1,053,496		1,053,496
Net loss					(11,404,934)	(11,404,934)
Conversion of Series B convertible preferred stock to common stock (in shares)	(11,245)		3,194,600
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
Conversion of convertible preferred stock to common stock (in shares)			(485,244)
Conversion of convertible preferred stock to common stock		1,707,998	$ (87,339)	(1,620,660)
Conversion of convertible preferred stock to common stock		(1,707,998)	87,339	1,620,660
Amortization of commitment shares
Compensation cost for stock options granted				7,102,118		7,102,118
Net loss					(17,239,777)	(17,239,777)
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)	(1,708)
Conversion of Series B convertible preferred stock to common stock	$ (1)
Conversion of Series B convertible preferred stock to common stock (in shares)			485,244
Reclassification of stock-based compensation liability upon option cancellation				3,151,944		3,151,944
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