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Notes Receivable (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Notes Receivable (Textual)    
Notes receivable due from current and former employees $ 168,098 $ 165,716
Maturity period of due note At various times during 2021-2023  
Notes receivable, interest rate, minimum 2.31%  
Notes receivable, interest rate, maximum 3.57%