Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Summary of Significant Accounting Policies [Abstract]

Antidilutive Securities

The common stock issuable upon the conversion or exercise of the following dilutive securities as of March 31, 2018 has been excluded from the diluted net loss per share attributable to common stockholders calculation because their effect would have been antidilutive for the period presented:

	As of March 31, 2018
Stock options to purchase Common Stock		513,534
Convertible promissory note		9,051
Warrants to purchase Common Stock		115,860
Total		638,445

Calculation of Basic and Diluted Net Income (Loss) per Share Attributable to Common Stockholders

The following is a reconciliation of the numerator (net income or loss) and the denominator (number of shares) used in the calculation of basic and diluted net income (loss) per share attributable to common stockholders:

	Three Months Ended March,
	2019		2018
Numerator
Basic and diluted net income (loss)	$	6,816,698	$	(737,892	)
Denominator
Shares used in computing basic net income (loss) per share		3,748,325		3,099,311
Shares from dilutive securities		876,970		–
Shares used in computing diluted net income (loss) per share		4,625,295		3,099,311
Net income (loss) per share, basic	$	1.82	$	(0.24	)
Net income (loss) per share, diluted	$	1.47	$	(0.24	)