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Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Accounts receivable, reserves $ 464,442 $ 334,473
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 1,250,000 1,250,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 13,804,975 13,630,607
Common stock, shares outstanding 13,804,975 13,630,607