Prepaid Expenses And Other Current Assets (Schedule Of Prepaid Expenses And Other Current Assets) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Prepaid Expenses And Other Current Assets [Abstract]
Prepaid expenses	$ 330,756	$ 460,297
Deferred cost of revenue	527,725	289,312
Derivative asset	1,736
Deferred financing	1,590,916	1,647,435
Other assets	1,040,934	684,440
Total prepaid expenses and other current assets	$ 3,492,067	$ 3,081,484