Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Tables)

Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Cash and Cash Equivalents and Restricted Cash

Cash, cash equivalents, and restricted cash consists of the following:

	March 31, 2018		December 31, 2017
Cash	$	50,030	$	206,510
Money market fund		70,905,622		62,330,985
Cash and cash equivalents		70,955,652		62,537,495

Restricted cash		—		158,991
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	70,955,652	$	62,696,486

Schedule of Computation of Basic and Diluted Earnings Per Share

following table sets forth the computation of basic and diluted earnings per share for the three months ended March 31, 2018 and 2017

	Three Months Ended March 31
	2018			2017
Basic and diluted net loss per share of common stock:
Net loss	$	(11,695,385	)	$	(7,465,439	)
Weighted average shares of common stock outstanding		56,367,548			46,381,482
Net loss per share of common stock-basic and diluted	$	(0.21	)	$	(0.16	)

Schedule of Potentially Dilutive Securities Excluded from Computation of Dilutive Weighted Average Shares Outstanding

The impact of the following potentially dilutive securities outstanding during the three months ended March 31, 2018 and 2017 have been excluded from the computation of dilutive weighted average shares outstanding as the inclusion would be anti-dilutive.

	March 31,
	2018		2017
Warrants		2,288,500		1,288,500
Stock options		9,342,584		7,513,130
Total		11,631,084		8,801,630