Net Income (Loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2017

Summary of Computation of Net Income or Loss Per Share

The following table presents the computation of net income or loss per share:

	Three Months Ended March 31,
	2017		2016
Numerator:
Net income	$	385,090	$	139,153
Accretion of dividends on preferred stock		—		(604,069	)
Net income (loss) attributable to common stockholders - basic	$	385,090	$	(464,916	)
Adjustment for change in fair value of warrant liability		—		(78,834	)
Net income (loss) attributable to common stockholders - diluted	$	385,090	$	(543,750	)
Denominator:
Weighted average common shares outstanding
Basic		9,359,562		665,842
Diluted		10,201,606		665,842
Net income (loss) per share:
Basic	$	0.04	$	(0.70	)
Diluted	$	0.04	$	(0.82	)

Summary of Potentially Dilutive Securities

Potentially dilutive securities not included in the calculation of diluted net income (loss) per share because to do so would be anti-dilutive are as follows (in common stock equivalent shares):

	Three Months Ended March 31,
	2017		2016
Preferred redeemable convertible stock, including accumulated dividends		—		4,944,630
Employee stock options		6,581		754,192
Series G preferred stock warrants outstanding		—		788,338
Total		6,581		6,487,160