2011

2010

2009

Basic

Net loss

$

(5,425

)

$

(6,870

)

$

(9,891

)

Less: Preferred dividends and accretion of discount on preferred stock

(425

)

(410

)

(407

)

Less: Net loss allocated to unvested share-based payment awards

34

29

27

Net loss allocated to common stockholders

$

(5,816

)

$

(7,251

)

(10,271

)

Weighted average common shares outstanding including unvested share-based payment awards

4,126,882

4,111,308

4,099,574

Less: Unvested share-based payment awards

(24,006

)

(16,518

)

(10,670

)

Average shares

4,102,876

4,094,790

4,088,904

Basic loss per common share

$

(1.42

)

$

(1.77

)

$

(2.51

)

Diluted

Net loss allocated to common stockholders

$

(5,816

)

$

(7,251

)

$

(10,271

)

Weighted average common shares outstanding for basic loss per common share

4,102,876

4,094,790

4,088,904

Add: Dilutive effects of assumed exercises of stock options

—

Add: Dilutive effects of assumed exercises of stock warrant

—

Average shares and dilutive potential common shares

4,102,876

4,094,790

4,088,904

Diluted loss per common share

$

(1.42

)

$

(1.77

)

$

(2.51

)