Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net Loss per Common Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	7,632,383	6,837,448
New Accounting Standards Adopted [Abstract]
Tax benefit	$ (2,781,937)	$ (2,586,057)
Minimum [Member]
Property and Equipment [Abstract]
Estimated useful lives of property and equipment	3 years
Maximum [Member]
Property and Equipment [Abstract]
Estimated useful lives of property and equipment	5 years
Stock Options to Purchase Common Stock [Member]
Net Loss per Common Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	7,043,825	6,462,795
Unvested Restricted Stock Units [Member]
Net Loss per Common Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	509,962	0
Warrants to Purchase Common Stock [Member]
Net Loss per Common Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	78,596	374,653
ASU 2016 - 02 [Member] | Plan [Member]
New Accounting Standards Not Yet Adopted [Abstract]
Right to use asset	$ 1,500,000
Lease liability	1,500,000
ASU 2016 - 09 [Member]
New Accounting Standards Adopted [Abstract]
Tax benefit	$ (84,786)