Net Income (Loss) Per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2018

Net Income (Loss) Per Share of Common Stock

Schedule of calculation of basic and diluted net income (loss) per common share

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Net income (loss) attributable to common stockholders (basic)	$	(6,138,352)	$	4,759,844	$	(20,487,172)	$	(1,761,156)
Interest on convertible debt, net of tax		—		209,149		—		—
Net income (loss) attributable to common stockholders - diluted	$	(6,138,352)	$	4,968,993	$	(20,487,172)	$	(1,761,156)
Shares used to compute net income (loss) per common share - basic		12,061,672		3,695,660		10,701,977		1,883,115
Dilutive effect of warrants		—		45,026		—		—
Dilutive effect of convertible debt		—		739,550		—		—
Shares used to compute net income (loss) per common share  - diluted		12,061,672		4,480,235		10,701,977		1,883,115
Net loss per share attributable to common stockholders - basic	$	(0.51)	$	1.29	$	(1.91)	$	(0.94)
Net loss per share attributable to common stockholders - diluted	$	(0.51)	$	1.11	$	(1.91)	$	(0.94)