Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Total	Cumulative Effect Period of Adoption Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Cumulative Effect Period of Adoption Adjustment [Member]	Treasury Stock [Member]
Beginning balance at Dec. 31, 2018	$ 6,425,885	$ (123,447)	$ 41	$ 51,721,834	$ (45,289,526)	$ (123,447)	$ (6,464)
Beginning balance, shares at Dec. 31, 2018			415,006				27
Accounting Standards Update [Extensible List]		us-gaap:AccountingStandardsUpdate201409Member				us-gaap:AccountingStandardsUpdate201409Member
Proceeds of public offering, net offering costs	5,603,829		$ 15	5,603,814
Proceeds of public offering, net offering costs, shares			151,417
Common stock issued upon vesting of restricted stock units	(72,115)			(72,115)
Common stock issued upon vesting of restricted stock units, Shares			3,166
Restricted stock vested	$ 1			1
Restricted stock vested, shares	1,515		347
Warrants issued as offering costs and recorded as a derivative liability	$ (196,236)			(196,236)
Stock-based compensation	396,325			396,325
Net loss	(2,598,060)				(2,598,060)
Ending balance at Mar. 31, 2019	9,436,182		$ 56	57,453,623	(48,011,033)		$ (6,464)
Ending balance, shares at Mar. 31, 2019			569,936				27
Beginning balance at Dec. 31, 2018	6,425,885	$ (123,447)	$ 41	51,721,834	(45,289,526)	$ (123,447)	$ (6,464)
Beginning balance, shares at Dec. 31, 2018			415,006				27
Net loss	(7,951,505)
Ending balance at Sep. 30, 2019	4,418,525		$ 57	57,789,410	(53,364,478)		$ (6,464)
Ending balance, shares at Sep. 30, 2019			572,989				27
Beginning balance at Mar. 31, 2019	9,436,182		$ 56	57,453,623	(48,011,033)		$ (6,464)
Beginning balance, shares at Mar. 31, 2019			569,936				27
Exercise of stock options	15			15
Exercise of common stock options, shares			295
Common stock issued upon vesting of restricted stock units	(6,356)		$ 1	(6,357)
Common stock issued upon vesting of restricted stock units, Shares			744
Restricted stock vested	$ (72)			(72)
Restricted stock vested, shares	234		345
Stock-based compensation	$ 197,028			197,028
Net loss	(2,565,327)				(2,565,327)
Ending balance at Jun. 30, 2019	7,061,470		$ 57	57,644,237	(50,576,360)		$ (6,464)
Ending balance, shares at Jun. 30, 2019			571,320				27
Exercise of stock options	1			1
Exercise of common stock options, shares			36
Common stock issued upon vesting of restricted stock units	$ (1,779)			(1,779)
Common stock issued upon vesting of restricted stock units, Shares			1,395
Restricted stock vested, shares	100		238
Stock-based compensation	$ 146,951			146,951
Net loss	(2,788,118)				(2,788,118)
Ending balance at Sep. 30, 2019	4,418,525		$ 57	57,789,410	(53,364,478)		$ (6,464)
Ending balance, shares at Sep. 30, 2019			572,989				27
Beginning balance at Dec. 31, 2019	1,824,708		$ 57	57,957,097	(56,125,982)		$ (6,464)
Beginning balance, shares at Dec. 31, 2019			574,524				27
Proceeds of public offering, net offering costs	13,475,535		$ 166	13,475,369
Proceeds of public offering, net offering costs, shares			1,660,000
Proceeds from issuance of pre-funded warrants in conjunction with public offering	48		$ 48
Proceeds from issuance of pre-funded warrants in conjunction with public offering, shares			483,000
Exercise of warrants	161,250		$ 10	161,240
Exercise of warrants, shares			96,169
Exercise of common stock options, shares			61
Common stock issued upon vesting of restricted stock units, Shares			1,033
Restricted stock vested, shares			16
Adjustment due to reverse stock split			(69)
Stock-based compensation	123,209			123,209
Net loss	(3,801,993)				(3,801,993)
Ending balance at Mar. 31, 2020	11,782,757		$ 281	71,716,915	(59,927,975)		$ (6,464)
Ending balance, shares at Mar. 31, 2020			2,814,734				27
Beginning balance at Dec. 31, 2019	$ 1,824,708		$ 57	57,957,097	(56,125,982)		$ (6,464)
Beginning balance, shares at Dec. 31, 2019			574,524				27
Proceeds of public offering, net offering costs, shares	1,181,096
Net loss	$ (9,865,498)
Ending balance at Sep. 30, 2020	12,982,533		$ 456	78,980,021	(65,991,480)		$ (6,464)
Ending balance, shares at Sep. 30, 2020			4,561,469				27
Beginning balance at Mar. 31, 2020	11,782,757		$ 281	71,716,915	(59,927,975)		$ (6,464)
Beginning balance, shares at Mar. 31, 2020			2,814,734				27
Proceeds from issuances under at-market sales facility, net of offering costs	542,586		$ 18	542,568
Proceeds from issuances under at-market sales facility, net of offering costs, shares			179,828
Issuances of common stock to repay debt	910,420		$ 23	910,397
Issuances of common stock to repay debt, shares			224,414
Exercise of warrants, shares			500
Exercise of stock options	3			3
Exercise of common stock options, shares			62
Common stock issued upon vesting of restricted stock units	$ (1,855)			(1,855)
Common stock issued upon vesting of restricted stock units, Shares			4,237
Restricted stock vested, shares	489		101
Stock-based compensation	$ 106,281			106,281
Net loss	(3,286,934)				(3,286,934)
Ending balance at Jun. 30, 2020	10,053,258		$ 322	73,274,309	(63,214,909)		$ (6,464)
Ending balance, shares at Jun. 30, 2020			3,223,876				27
Proceeds from issuances under at-market sales facility, net of offering costs	4,374,989		$ 102	4,374,887
Proceeds from issuances under at-market sales facility, net of offering costs, shares			1,001,268
Issuances of common stock to repay debt	1,149,153		$ 30	1,149,123
Issuances of common stock to repay debt, shares			300,105
Exercise of warrants	1		$ 1
Exercise of warrants, shares			22,166
Common stock issued upon vesting of restricted stock units	1		$ 1
Common stock issued upon vesting of restricted stock units, Shares			13,675
Restricted stock vested, shares			379
Stock-based compensation	181,702			181,702
Net loss	(2,776,571)				(2,776,571)
Ending balance at Sep. 30, 2020	$ 12,982,533		$ 456	$ 78,980,021	$ (65,991,480)		$ (6,464)
Ending balance, shares at Sep. 30, 2020			4,561,469				27