Consolidated Statements of Stockholders' Equity - USD ($)	Sale of Common Stock in Class A Units [Member] Preferred Stock [Member] Series A Convertible Preferred Stock [Member]	Sale of Common Stock in Class A Units [Member] Preferred Stock [Member] Series B Convertible Preferred Stock [Member]	Sale of Common Stock in Class A Units [Member] Preferred Stock Additional Paid-in Capital [Member] Series A Convertible Preferred Stock [Member]	Sale of Common Stock in Class A Units [Member] Preferred Stock Additional Paid-in Capital [Member] Series B Convertible Preferred Stock [Member]	Sale of Common Stock in Class A Units [Member] Common Stock [Member]	Sale of Common Stock in Class A Units [Member] Common Stock Additional Paid-in Capital [Member]	Sale of Common Stock in Class A Units [Member] Retained Earnings [Member]	Sale of Common Stock in Class A Units [Member]	Preferred Stock [Member] Series A Convertible Preferred Stock [Member]	Preferred Stock [Member] Series B Convertible Preferred Stock [Member]	Preferred Stock Additional Paid-in Capital [Member] Series A 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, 2016													315,576
Balance at Dec. 31, 2016													$ 56,804	$ 60,344,050	$ (57,303,748)	$ 3,097,106
Issuance of stock and warrants net of issuance costs (in shares)													1,483,333
Issuance of stock and warrants net of issuance costs													$ 267,001	5,895,587		6,162,588
Issuance of stock, net of issuance costs (in shares)					99,500
Issuance of stock, net of issuance costs					$ 17,910	$ 811,774		$ 829,684
Allocation of Class A unit proceeds to warrant liability														(328,350)		(328,350)
Issuance of Series A convertible preferred stock in Class B units, net of issuance costs of $267,231 (in shares)									292
Issuance of Series A convertible preferred stock in Class B units, net of issuance costs of $267,231									$ 4		3,234,769					3,234,773
Allocation of convertible preferred stock to warrants and beneficial conversion feature											(2,568,132)			1,284,066		(1,284,066)
Deemed dividend on convertible preferred stock											2,568,132			(2,568,132)
Conversion of convertible preferred stock to common stock (in shares)									(292)				(389,111)
Conversion of convertible preferred stock to common stock									$ (4)		(3,234,769)		$ (70,040)	(3,164,733)
Conversion of convertible preferred stock to common stock (in shares)									292				389,111
Conversion of convertible preferred stock to common stock									$ 4		3,234,769		$ 70,040	3,164,733
Reclassification of warrant liability upon exercise of common stock warrants (in shares)													124,236
Reclassification of warrant liability upon exercise of common stock warrants													$ 22,362	1,870,798		1,893,160
Issuance of common stock upon warrant exercise for cash on liability warrant exercise (in shares)													240,196
Issuance of common stock upon warrant exercise for cash on liability warrant exercise													$ 43,225	706,008		749,233
Amortization of commitment shares														(79,410)		(79,410)
Compensation cost for stock options granted														786,550		786,550
Net loss															(8,122,581)	(8,122,581)
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
Deemed dividend on convertible preferred stock											(2,568,132)			2,568,132
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 convertible preferred stock to warrants and 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 (in shares)										11,245			3,194,600
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)
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
Deemed dividend on convertible preferred stock												$ (11,479,308)		$ 11,479,308