Operating Segments (Schedule Of Reconciliations Of Reportable Segment Assets) (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	$ 37,809,835	$ 34,184,391
Reportable Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	48,977,000	44,892,000
Elimination Of Intersegment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total consolidated assets	$ (11,167,000)	$ (10,173,000)