Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Shareholders' equity:    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 9,718,251 9,693,591
Common stock, shares outstanding 9,718,251 9,693,591