Numerator:

Net income (loss)

$

(6,196

)

$

(3,438

)

$

(15,403

)

$

(8,516

)

Denominator:

Weighted-average common shares outstanding, basic and diluted⁽¹⁾

8,561

7,124

8,547

7,037

Net income (loss) per common share, basic and diluted

$

(0.72

)

$

(0.48

)

$

(1.80

)

$

(1.21

)

Anti-dilutive potential common stock equivalents excluded from the calculation of net income (loss) per share:

Stock options to purchase common stock

721

601

721

601

Unvested restricted stock units

129

115

129

115