Net Loss Per Common Share

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Net Loss Per Common Share

3. Net Income (Loss) Per Common Share

Basic and dilutive net income (loss) per common share were as follows:

	Quarters Ended March 31,
	2018		2017
Net income (loss) applicable to common stockholders	$	1,166,252	$	(7,274,082	)
Weighted average number of common shares outstanding, basic	6,345,719		1,000,988
Dilutive convertible preferred stock	7,380,895		—
Weighted average number of common shares outstanding, dilutive	13,726,614		1,000,988
Net income (loss) per common share applicable to common stockholders, basic	$	0.18	$	(7.27	)
Net income (loss) per common share applicable to common stockholders, diluted	$	0.08	$	(7.27	)

Shares underlying the following potentially dilutive weighted average number of common stock equivalents were excluded from the calculation of diluted net income (loss) per common share because their effect was anti-dilutive for each of the periods presented: 

	Quarters Ended March 31,
	2018	2017
Options	336,817	97,891
Warrants	459,375	4,392,152
Convertible preferred stock	—	2,413,464
Total	796,192	6,903,507

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Quarters Ended March 31,
	2018		2017
Net income (loss) applicable to common stockholders	$	1,166,252	$	(7,274,082	)
Weighted average number of common shares outstanding, basic	6,345,719		1,000,988
Dilutive convertible preferred stock	7,380,895		—
Weighted average number of common shares outstanding, dilutive	13,726,614		1,000,988
Net income (loss) per common share applicable to common stockholders, basic	$	0.18	$	(7.27	)
Net income (loss) per common share applicable to common stockholders, diluted	$	0.08	$	(7.27	)