Net Income (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

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

The computation of basic and diluted net income (loss) per share attributable to common stockholders is as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(Unaudited)				(Unaudited)
Numerator:
Net income (loss) applicable to common stockholders	$	1,209,003	$	27,102	$	977,336	$	(136,650	)
Denominator:
Weighted average common shares outstanding, basic		15,464,604		15,339,743		15,430,653		15,334,397
Effect of dilutive common shares		3,214		22,663		10,250		—
Weighted average common shares outstanding, diluted		15,467,818		15,362,406		15,440,903		15,334,397
Net income (loss) per share:
Basic	$	0.08	$	0.00	$	0.06	$	(0.01	)
Diluted	$	0.08	$	0.00	$	0.06	$	(0.01	)
Anti-dilutive securities excluded from diluted net income (loss) per share:
Stock options		3,342,833		2,690,293		3,346,047		2,712,956
Warrants		521,060		1,733,565		521,060		1,733,565
Total anti-dilutive securities excluded from net income (loss) per share		3,863,893		4,423,858		3,867,107		4,446,521