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Earnings Per Share
 6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share

Basic EPS is computed based on the weighted average number of shares of common stock outstanding. Diluted EPS is computed based on the weighted average number of common shares outstanding increased by dilutive common stock equivalents, attributable to stock option awards, restricted stock awards and redeemable convertible preferred stock outstanding.

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, 2014 and 2013:
 
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
 
2014
 
2013
 
2014
 
2013
Stock options and restricted stock
 
6,286,802

 
11,323,575

 
8,898,259

 
11,323,575

Preferred stock
 
8,781,516

 
—

 
8,781,516

 
—

Total anti-dilutive common stock equivalents
 
15,068,318

 
11,323,575

 
17,679,775

 
11,323,575



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,

 
2014
 
2013
 
2014
 
2013
Numerator
 
 
 
 
 
 
 
 
Net income (loss)
 
$
1,330,947

 
$
(5,207,293
)
 
$
(1,470,851
)
 
$
(9,587,738
)
Effects of redeemable convertible preferred stock:
 
 

 
 

 
 

 
 

Less: Preferred stock dividends
 
186,904

 
—

 
373,808

 
—

Less: Accretion to redemption value of Series A preferred stock
 
120,531

 
—

 
235,907

 
—

Net income (loss) attributable to common stockholders
 
$
1,023,512

 
$
(5,207,293
)
 
$
(2,080,566
)
 
$
(9,587,738
)
Denominator
 
 

 
 

 
 

 
 

Basic shares outstanding
 
47,919,318

 
47,996,027

 
47,975,217

 
47,929,799

Effect of dilutive securities:
 
 

 
 

 
 

 
 

Stock options and restricted stock
 
861,288

 
—

 
—

 
—

Preferred stock
 
—

 
—

 
—

 
—

Diluted shares outstanding
 
48,780,606

 
47,996,027

 
47,975,217

 
47,929,799

EPS
 
 

 
 

 
 

 
 

Basic net income (loss) per share attributable to common stockholders
 
$
0.02

 
$
(0.11
)
 
$
(0.04
)
 
$
(0.20
)
Diluted net income (loss) per share attributable to common stockholders
 
$
0.02

 
$
(0.11
)
 
$
(0.04
)
 
$
(0.20
)