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Fair Value Measurements (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notes Payable $ 10,092,941 $ 5,498,926 $ 5,677,456
Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notes Payable 0 0 0
Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notes Payable 10,092,941 5,498,926 5,677,456
Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notes Payable 0 0 0
Cash [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 1,240,730 2,286,226 2,379,565
Cash [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 1,240,730 2,286,226 2,379,565
Cash [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Cash [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Money Market Funds [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     59,282
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     59,282
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     0
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     0
Equity Income [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, Level 1 [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, Level 2 [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, Level 3 [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     0
Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     0
Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value     0
Bonds [Member] | Fair Value, Inputs, Level 3 [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 115,159 439,982 438,062
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 115,159 439,982 438,062
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Mutual Funds [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 67,884    
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 67,884    
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0    
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0    
Common Stock [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 973,460 725,670 815,003
Common Stock [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 973,460 725,670 815,003
Common Stock [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Common Stock [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Preferred Stock [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 505,627   0
Preferred Stock [Member] | Fair Value, Inputs, Level 1 [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, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 505,627   0
Preferred Stock [Member] | Fair Value, Inputs, Level 3 [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, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 959,492 1,144,229 1,217,596
Corporate Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 0 0 0
Corporate Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value 959,492 1,144,229 1,217,596
Corporate Bonds [Member] | Fair Value, Inputs, Level 3 [Member]
     
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Assets at fair value $ 0 $ 0 $ 0