For the Three Months Ended
March 31,

2014

2013

Basic and diluted net loss per share:

Numerator:

Net loss

$

(1,126,125

)

$

(1,742,684

)

Preferred stock cash dividends

(96,424

)

—

Numerator for basic and diluted earnings per share

Net loss attributable to common stockholders

$

(1,222,549

)

$

(1,742,684

)

Denominator:

Weighted average basic and diluted shares outstanding

34,206,260

33,278,477

Basic and diluted net loss per share:

Net loss

$

(0.04

)

$

(0.05

)

Preferred stock cash dividends

(0.00

)

—

Net loss attributable to common stockholders

$

(0.04

)

$

(0.05

)