Notes Payable (Schedule Of Notes Payable) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Debt Instrument [Line Items]
Total notes payable	$ 5,677,456	$ 7,080,552	$ 7,806,127
Less current maturities	580,781	1,540,716	1,923,436
Total long-term portion	5,096,675	5,539,836	5,882,691
Note Payable to Private Bank [Member]
Debt Instrument [Line Items]
Total notes payable	5,534,445	5,914,445	6,248,889
Debt instrument, monthly installments	42,222
Debt instrument, amount	5,066,667
Variable interest rate	2.7963%
Maturity date	Feb. 06, 2014
Line Of Credit With Private Bank [Member]
Debt Instrument [Line Items]
Total notes payable	0	1,000,000	0
Variable interest rate	3.25%
Maturity date	May 31, 2012
Line of credit, maximum borrowing capacity	2,000,000
Line Of Credit With Morgan Stanley [Member]
Debt Instrument [Line Items]
Total notes payable	0	0	1,384,468
Variable interest rate	3.00%
Line of credit, maximum borrowing capacity	2,800,000
Notes Payable To Ford Credit Corp. [Member]
Debt Instrument [Line Items]
Total notes payable	55,382	68,509	72,753
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	87,629	97,598	100,017
Debt instrument, monthly installments	$ 1,768.57
Variable interest rate	6.653%
Maturity date	May 24, 2017