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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Condensed Consolidated Balance Sheets [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 51,153 $ 36,694
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 90,000,000 90,000,000
Common stock, shares issued 16,485,281 16,369,221
Common stock, shares outstanding 16,485,281 16,369,221