Numerator:

Net Loss

$

(2,649

)

$

(15,062

)

$

(6,546

)

$

(20,240

)

Deemed Dividend

(86

)

—

(86

)

—

Net loss attributable to common stockholders

$

(2,735

)

$

(15,062

)

$

(6,632

)

$

(20,240

)

Denominator:

Weighted average shares outstanding – basic

5,212

3,883

5,175

3,764

Potential common shares – options / warrants (treasury stock method)

—

Weighted average shares outstanding – diluted

5,212

3,883

5,175

3,764

Shares excluded (anti-dilutive)

6,622

1,683

5,265

1,682

Net loss attributable to common stockholders per share – basic and diluted

Basic

$

(0.52

)

$

(3.88

)

$

(1.28

)

$

(5.38

)

Diluted

$

(0.52

)

$

(3.88

)

$

(1.28

)

$

(5.38

)