Prepaid Expenses And Other Current Assets (Schedule Of Prepaid Expenses And Other Current Assets) (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Prepaid Expenses And Other Current Assets [Abstract]
Prepaid expenses	$ 252,793	$ 330,756
Deferred cost of revenue	147,000	527,725
Derivative asset		1,736
Deferred financing costs	694,630	1,590,916
Deposits	823,989	1,040,934
Total prepaid expenses and other current assets	$ 1,918,412	$ 3,492,067