Operating Segments (Reconciliations Of Revenue) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues	$ 10,100,168	$ 13,787,685	$ 11,964,084	$ 9,608,710	$ 9,695,334	$ 10,917,762	$ 11,665,520	$ 8,307,810	$ 45,460,647	$ 40,586,426
Reportable Segment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									47,507,000	42,284,000
Elimination Of Intersegment [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Total consolidated net revenues									$ (2,046,000)	$ (1,698,000)