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Fair Value Measurements (Schedule Of Fair Value Assets And Liabilities As Classified) (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes Payable $ 5,498,926 $ 7,080,552
Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes Payable 0 0
Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes Payable 5,498,926 7,080,552
Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notes Payable 0 0
Cash [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 2,286,226 1,115,150
Cash [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 2,286,226 1,115,150
Cash [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Cash [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Equity Income [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   64,075
Equity Income [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   64,075
Equity Income [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Equity Income [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Bonds [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   3,050
Bonds [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   3,050
Bonds [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Bonds [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Certificates Of Deposit [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 439,982 277,363
Certificates Of Deposit [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Certificates Of Deposit [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 439,982 277,363
Certificates Of Deposit [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Common Stock [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 725,670 714,602
Common Stock [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 725,670 714,602
Common Stock [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Common Stock [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Preferred Stock [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   46,750
Preferred Stock [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   46,750
Preferred Stock [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Preferred Stock [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value   0
Corporate Bonds [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 1,144,229 866,566
Corporate Bonds [Member] | Fair Value Inputs Level1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 0 0
Corporate Bonds [Member] | Fair Value Inputs Level2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value 1,144,229 866,566
Corporate Bonds [Member] | Fair Value Inputs Level3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets at fair value $ 0 $ 0