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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Assets    
Allowance for doubtful accounts $ 222,709 $ 477,289
Stockholders Equity    
Preferred stock par value (usd per share) $ 0.001 $ 0.001
Preferred stock shares authorized (in shares) 500,000 500,000
Preferred stock shares issued (in shares) 0 0
Preferred stock shares outstanding (in shares) 0 0
Common stock, par value (usd per share) $ 0.001 $ 0.001
Common stock shares authorized (in shares) 40,000,000 20,000,000
Common stock shares issued (in shares) 23,586,186 10,422,617
Common stock shares Outstanding (in shares) 23,209,659 10,035,790
Treasury stock (in shares) 376,527 386,827