Three months ended

March 31,
2013

March 31,
2012

Basic loss per common share

Net loss

$

(3,404

)

$

(4,268

)

Less loss allocated to participating securities

(43

)

(54

)

Net loss allocated to common shareholders

$

(3,361

)

$

(4,214

)

Weighted average common shares outstanding

21,971,055

21,826,701

$

(0.15

)

$

(0.19

)

Loss per common share assuming dilution

Net loss

$

(3,404

)

$

(4,268

)

Less loss allocated to participating securities

(43

)

(54

)

Net loss allocated to common shareholders

$

(3,361

)

$

(4,214

)

Weighted average common shares outstanding

21,971,055

21,826,701

Incremental shares applicable to stock based compensation

—

—

Weighted average common shares assuming dilution

21,971,055

21,826,701

$

(0.15

)

$

(0.19

)