For the Three Months Ended September 30,

For the Nine Months Ended September 30,

2014

2013

2014

2013

Numerator:

Net income (loss) for basic earnings per share

$

52,031

$

(1,486,591

)

$

(4,809,088

)

$

(10,913,615

)

Change in fair value of warrant liability

256,932

0

Net loss for diluted earnings per share

$

(204,901

)

$

(1,486,591

)

$

(4,809,088

)

$

(10,913,615

)

Denominator:

Weighted-average shares outstanding

43,092,803

38,207,141

40,131,955

37,903,904

Basic income (loss) per share

$

0.00

$

(0.04

)

$

(0.12

)

$

(0.29

)

Diluted income (loss) per share

$

0.00

$

(0.04

)

$

(0.12

)

$

(0.29

)