For the Three Months Ended June 30,

For the Six Months Ended June 30,

2014

2013

2014

2013

Basic and diluted net loss per share:

Numerator:

Net loss

$

(641,487

)

$

(1,076,409

)

$

(1,767,612

)

$

(2,819,093

)

Preferred stock cash dividends

96,424

—

192,848

—

Numerator for basic and diluted earnings per share

Net loss available to common stockholders

$

(737,911

)

$

(1,076,409

)

$

(1,960,460

)

$

(2,819,093

)

Denominator:

Weighted average basic and diluted shares outstanding

34,367,669

33,784,114

34,287,410

33,532,692

Basic and diluted net loss per share:

Net loss

$

(0.02

)

$

(0.03

)

$

(0.05

)

$

(0.08

)

Preferred stock cash dividends

(0.00

)

—

(0.01

)

—

Net loss available to common stockholders

$

(0.02

)

$

(0.03

)

$

(0.06

)

$

(0.08

)