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Property And Equipment (Schedule Of Property And Equipment) (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Property, Plant and Equipment [Line Items]    
Total Property and equipment gross $ 10,450,029 $ 10,273,669
Less accumulated depreciation (6,846,706) (6,720,453)
Property and equipment, net 3,603,323 3,553,216
Minimum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment useful life 3 years  
Maximum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment useful life 25 years  
Land [Member]
    
Property, Plant and Equipment [Line Items]    
Total Property and equipment gross 1,107,582 1,107,582
Office Buildings And Improvements [Member]
    
Property, Plant and Equipment [Line Items]    
Total Property and equipment gross 3,345,762 3,259,383
Property and equipment useful life 25 years  
Furniture, Fixtures And Equipment [Member]
    
Property, Plant and Equipment [Line Items]    
Total Property and equipment gross 5,209,505 5,114,112
Furniture, Fixtures And Equipment [Member] | Minimum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment useful life 3 years  
Furniture, Fixtures And Equipment [Member] | Maximum [Member]
    
Property, Plant and Equipment [Line Items]    
Property and equipment useful life 10 years  
Automobiles [Member]
    
Property, Plant and Equipment [Line Items]    
Total Property and equipment gross $ 787,180 $ 792,592
Property and equipment useful life 3 years