Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Tables)

Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Cash and cash equivalents consists of the following:

	September 30, 2019		December 31, 2018
Cash	$	5,184,555	$	808,943
Money market fund		49,664,810		40,939,525
Total cash and cash equivalents	$	54,849,365	$	41,748,468

Schedule of Computation of Basic and Diluted Earnings Per Share

Net loss per share was computed as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
Basic and diluted net loss per share of common stock:
Net loss	$	(20,790,801	)	$	(14,601,211	)	$	(44,872,957	)	$	(38,365,947	)
Weighted average shares of common stock outstanding		64,660,017			57,218,832			63,638,447			56,917,897
Net loss per share of common stock-basic and diluted	$	(0.32	)	$	(0.26	)	$	(0.71	)	$	(0.67	)

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

The impact of the following potentially dilutive securities outstanding as of September 30, 2019 and 2018 have been excluded from the computation of dilutive weighted average shares outstanding as the inclusion would be anti-dilutive.

	September 30,
	2019		2018
Warrants		1,000,000		2,283,500
Stock options		12,830,887		9,434,241
Total		13,830,887		11,717,741