Three Months Ended

Six Months Ended

(in thousands, except per share data)

June 30,

2015

2014

2015

2014

Numerator:

Net income (loss) available to common shareholders

$

(1,497

)

$

29

$

11,359

$

(9,782

)

Effect of dilutive securities

Derivative liability - warrants

$

-

$

(1,454

)

$

(1,534

)

$

-

Accretion on convertible preferred stock

-

222

-

Numerator for diluted income (loss) per common share

$

(1,497

)

$

(1,425

)

$

10,047

$

(9,782

)

Denominator:

Weighted average shares used to compute basic income (loss) per common share

24,435

17,717

21,555

17,667

Effect of dilutive securities:

Derivative liability - warrants

-

3,459

82

-

Convertible preferred stock

-

2,305

-

Stock options

-

309

-

Denominator for diluted income (loss) per common share

24,435

21,176

24,251

17,667

Basic income (loss) per common share

$

(0.06

)

$

0.00

$

0.53

$

(0.55

)

Diluted income (loss) per common share

$

(0.06

)

$

(0.07

)

$

0.41

$

(0.55

)