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Available-for-Sale Securities (Tables)
12 Months Ended
Dec. 31, 2012
Available-for-Sale Securities [Abstract]  
Amortized cost, gross unrealized gains, gross unrealized losses and approximate fair values of available-for-sale securities
                                 
          Gross     Gross        
    Amortized     Unrealized     Unrealized     Fair  

2012

  Cost     Gains     Losses     Value  

U. S. Government agency bonds

  $ 7,500,000     $ 26,170     $ —       $ 7,526,170  

U. S. Government agency mortgage-backed securities

    25,837,100       —         (130,209     25,706,891  

Corporate bonds

    9,000,000       —         (513,741     8,486,259  
   

 

 

   

 

 

   

 

 

   

 

 

 
    $ 42,337,100     $ 26,170     $ (643,950   $ 41,719,320  
   

 

 

   

 

 

   

 

 

   

 

 

 

 

                                 
          Gross     Gross        
    Amortized     Unrealized     Unrealized     Fair  

2011

  Cost     Gains     Losses     Value  

U. S. Government agency bonds

  $ 5,000,000     $ 37,085     $ —       $ 5,037,085  

U. S. Government agency mortgage-backed securities

    49,004,232       1,051,097       (5,900     50,049,429  

Corporate bonds

    12,249,064       25,338       (890,944     11,383,458  
   

 

 

   

 

 

   

 

 

   

 

 

 
    $ 66,253,296     $ 1,113,520     $ (896,844   $ 66,469,972  
   

 

 

   

 

 

   

 

 

   

 

 

 
Gross unrealized loss and fair value of available-for-sale securities, aggregated by the length of time
                                                 
    Less Than 12 Months     12 Months or More     Total  
    Fair     Unrealized     Fair     Unrealized     Fair     Unrealized  
    Value     Loss     Value     Loss     Value     Loss  

2012

                                               

U. S. Government agency mortgage-backed securities

  $ 25,670,832     $ (130,209   $ —       $ —       $ 25,670,832     $ (130,209

Corporate bonds

    2,842,368       (157,632     5,643,891       (356,109     8,486,259       (513,741
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Totals

  $ 28,513,200     $ (287,841   $ 5,643,891     $ (356,109   $ 34,157,091     $ (643,950
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

2011

                       

U. S. Government agency mortgage-backed securities

  $ 4,941,662     $ (5,492   $ 68,309     $ (408   $ 5,009,971     $ (5,900

Corporate bonds

    8,358,120       (890,944     —         —         8,358,120       (890,944
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Totals

  $ 13,299,782     $ (896,436   $ 68,309     $ (408   $ 13,368,091     $ (896,844
   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 
Amortized cost and fair value of available-for-sale debt securities by contractual maturity
                 
    Amortized     Fair  
    Cost     Value  

Maturity:

               

Corporate bonds 5 to 10 years

  $ 9,000,000     $ 8,486,259  

U.S. Government bonds 5 to 10 years

    7,500,000       7,526,170  

Mortgage-backed securities

    25,837,100       25,706,891  
   

 

 

   

 

 

 

Total

  $ 42,337,100     $ 41,719,320