Notes Receivable (Details) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Notes Receivable (Textual)      
Notes receivable due from one current and two former employees $ 130,463 $ 138,803   
Maturity period of due note During 2011 During 2011  
Notes receivable, interest rate, minimum 2.80% 2.80%  
Notes receivable, interest rate, maximum 3.57% 3.57%