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Notes Payable (Schedule Of Notes Payable) (Details) (USD $)
 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Debt Instrument [Line Items]      
Total notes payable $ 5,768,873 $ 7,080,552 $ 7,849,837
Less current maturities 540,478 1,540,716 1,892,042
Total long-term portion 5,228,395 5,539,836 5,957,795
Note Payable to Private Bank [Member]
      
Debt Instrument [Line Items]      
Total notes payable 5,618,889 5,914,445 6,375,556
Debt instrument, monthly installments 42,222    
Debt instrument, amount 5,066,667    
Variable interest rate 2.7963%    
Line Of Credit With Private Bank [Member]
      
Debt Instrument [Line Items]      
Total notes payable 0 1,000,000 0
Variable interest rate 3.25%    
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 1,370,695
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 59,825 68,509 0
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 90,159 97,598 103,586
Debt instrument, monthly installments $ 1,768.57    
Variable interest rate 6.653%