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Investments (Tables)
6 Months Ended
Jun. 30, 2014
Investments [Abstract]  
Schedule of Held-To-Maturity Investments Estimated Fair Value of Investments

The following table summarizes information about short term investments at June 30, 2014:

 

                         

 

 

Amortized
Cost

 

 

Gross
Unrealized
(Losses)

 

 

Estimated
Fair Value

 

Certificates of deposit, commercial paper, corporate notes and bonds

 

$

10,864,832

 

 

$

(2,945

)

 

$

10,861,887

 


Schedule of Maturities of Held-To-Maturity Investments

The maturities of held-to-maturity investments at June 30, 2014 were as follows:


                 

 

 

Less than
1 Year

 

 

Total

 

Certificates of deposit, commercial paper, corporate notes and bonds

 

$

10,864,832

 

 

$

10,864,832