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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2013
customer
Sep. 30, 2012
customer
Dec. 31, 2012
customer
Summary Of Significant Accounting Policies [Abstract]      
Number of major customers 2 2 2
Percentage of gross sales 35.00% 36.00%  
Percentage of accounts receivable 25.00% 30.00% 33.00%
Total advertising expenses $ 1,859,798 $ 1,977,611