Operating Segments (Schedule Of Reconciliations Of Reportable Segment Income Before Income Taxes) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total consolidated income before income taxes	$ (291,125)	$ (24,822)	$ 714,948	$ 613,499
Reportable Segment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total consolidated income before income taxes			1,204,000	978,000
Elimination Of Intersegment [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total consolidated income before income taxes			$ (489,000)	$ (365,000)