Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Summary of Significant Accounting Policies [Abstract]

Potentially Dilutive Securities Excluded from Computations of Diluted Weighted Average Shares Outstanding

The following potentially dilutive securities have been excluded from the computations of diluted weighted average shares outstanding as they would be anti-dilutive:

	As of June 30,
	2018		2017
Stock options to purchase Common Stock		7,392,566		6,320,295
Warrants to purchase Common Stock		78,596		403,782
Total		7,471,162		6,724,077