Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following represents the common stock equivalents that were excluded from the computation of diluted shares outstanding because their effect would have been anti-dilutive for the three and six months ended June 30, 2015 and 2014:

	Three Months Ended June 30,		Six Months Ended June 30,
	2015	2014	2015	2014
Stock options and restricted stock	8,047,333	6,286,802	5,007,276	8,898,259
Series A redeemable convertible preferred stock	8,781,516	8,781,516	8,781,516	8,781,516
Total anti-dilutive common stock equivalents	16,828,849	15,068,318	13,788,792	17,679,775

Computation of Earnings Per Share

The following represents a reconciliation of the numerators and denominators of the basic and diluted EPS computation:  

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015		2014
Numerator
Net (loss) income	$	(2,668,184	)	$	1,330,947	$	2,594,195	$	(1,470,851	)
Effects of Series A redeemable convertible preferred stock:
Less: Series A redeemable convertible preferred stock dividends	186,904			186,904		377,690		373,808
Less: Accretion to redemption value of Series A redeemable convertible preferred stock	143,557			120,531		280,974		235,907
Net (loss) income attributable to common stockholders	$	(2,998,645	)	$	1,023,512	$	1,935,531	$	(2,080,566	)
Denominator
Weighted average basic shares outstanding	40,964,160			47,919,318		40,949,849		47,975,217
Effect of dilutive securities:
Stock options and restricted stock	—			861,288		1,542,828		—
Series A redeemable convertible preferred stock	—			—		—		—
Weighted average diluted shares outstanding	40,964,160			48,780,606		42,492,677		47,975,217
EPS
Basic net (loss) income per share attributable to common stockholders	$	(0.07	)	$	0.02	$	0.05	$	(0.04	)
Diluted net (loss) income per share attributable to common stockholders	$	(0.07	)	$	0.02	$	0.05	$	(0.04	)