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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Balance Sheets [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 57,643 $ 76,752
Common stock, shares authorized 500,000,000 500,000,000
Common stock, par value $ 0.001 $ 0.001
Common stock, shares issued 18,459,775 18,350,191
Common stock, shares outstanding 18,459,775 18,350,191