Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Summary of Computation of Net Income (Loss) Per Share

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

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Numerator:
Net income (loss)	$	(3,190,347	)	$	(70,121	)	$	(4,296,138	)	$	314,970
Denominator:
Weighted average common shares outstanding - basic		9,439,025			9,520,285			9,459,272			9,440,368
Plus dilutive effect of potential common shares		—			—			—			680,630
Weighted average common shares outstanding - diluted		9,439,025			9,520,285			9,459,272			10,120,998
Net income (loss) per share:
Basic	$	(0.34	)	$	(0.01	)	$	(0.45	)	$	0.03
Diluted	$	(0.34	)	$	(0.01	)	$	(0.45	)	$	0.03

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:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Employee stock options		1,152,520		384,538		1,349,833		366,732
Warrants outstanding		51,003		—		51,003		—
Total		1,203,523		384,538		1,400,836		366,732