Notes Payable (Schedule Of Notes Payable) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Debt Instrument [Line Items]
Total notes payable	$ 5,363,751	$ 5,498,926	$ 6,153,683
Less current maturities	543,591	542,981	789,933
Total long-term portion	4,820,160	4,955,945	5,363,750
Note Payable to Private Bank [Member]
Debt Instrument [Line Items]
Total notes payable	5,238,889	5,365,556	5,745,556
Debt instrument, monthly installments	42,222
Variable interest rate	2.709%
Maturity date	Feb. 06, 2014
Line Of Credit With Private Bank [Member]
Debt Instrument [Line Items]
Total notes payable	0	0	250,000
Variable interest rate	3.25%
Maturity date	May 31, 2014
Line of credit, maximum borrowing capacity	5,000,000	2,000,000
Notes Payable To Ford Credit Corp. [Member]
Debt Instrument [Line Items]
Total notes payable	46,291	50,871	64,200
Debt instrument, monthly installments	1,778.23
Variable interest rate	5.99%
Note Payable To Fletcher Jones Of Chicago, Ltd LLC [Member]
Debt Instrument [Line Items]
Total notes payable	78,571	82,499	93,927
Debt instrument, monthly installments	$ 1,768.57
Variable interest rate	6.653%
Maturity date	May 24, 2017