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CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Jun. 30, 2011
Dec. 31, 2010
Allowance for doubtful accounts (in dollars) $ 89,437 $ 87,555
Common stock, par value (in dollars per share) $ 0.002731 $ 0.002731
Common stock, shares authorized 18,307,038 18,307,038
Common stock, shares issued 4,510,000 4,500,000
Common stock, shares outstanding 4,510,000 4,500,000