Prepaid Expenses And Other Current Assets (Schedule Of Prepaid Expenses And Other Current Assets) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Prepaid Expenses And Other Current Assets [Abstract]
Prepaid expenses	$ 242,408	$ 330,756
Deferred cost of revenue	140,222	527,725
Derivative asset	79	1,736
Deferred financing costs	1,112,762	1,590,916
Deposits	799,058	1,040,934
Total prepaid expenses and other current assets	$ 2,294,529	$ 3,492,067