Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Stockholders' equity:    
Common stock, par value (in dollars per share) $ 0.05 $ 0.05
Common stock, authorized (in shares) 15,000,000 15,000,000
Common stock, issued (in shares) 5,237,923 5,193,891
Common stock, outstanding (in shares) 5,237,923 5,193,891