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Fair Value of Financial Instruments (Tables)
9 Months Ended
Sep. 30, 2019
Fair Value Disclosures [Abstract]  
Schedule of Cost, Fair Value and Maturities of Short Term Investments

A summary of the cost, fair value and maturities of the Company’s short-term investments is as follows:

 

    September 30, 2019     December 31, 2018  
    Cost     Fair Value     Cost     Fair Value  
Short-term investments                                
Corporate debt securities   $ 10,256,303     $ 10,290,378     $ 14,228,126     $ 14,257,998  
Total   $ 10,256,303     $ 10,290,378     $ 14,228,126     $ 14,257,998  

 

    September 30, 2019     December 31, 2018  
    Cost     Fair Value     Cost     Fair Value  
Short-term investment maturities                                
Within 3 months   $ 5,473,222     $ 5,490,085     $ 5,383,488     $ 5,393,743  
Between 3-12 months     4,783,081       4,800,293       8,844,638       8,864,255  
Total   $ 10,256,303     $ 10,290,378     $ 14,228,126     $ 14,257,998  

Schedule of Unrealized Losses and Fair Value of Investment Securities

The Company has reviewed individual securities to determine whether a decline in fair value below the amortizable cost basis is other than temporary.

 

    September 30, 2019     December 31, 2018  
Available for sale securities (all unrealized holding gains and losses are less than 12 months at date of measurement)   Fair Value    

Unrealized

Holding

Gains

(Losses)

    Fair Value    

Unrealized

Holding

Gains

(Losses)

 
                         
Investments with unrealized gains   $ 8,984,425     $ 34,233     $ 7,515,676     $ 38,068  
Investments with unrealized losses     1,305,953       (158 )     6,742,322       (8,196 )
Total   $ 10,290,378     $ 34,075     $ 14,257,998     $ 29,872  

Schedule of Investment Income

Investment income, which includes net realized losses on sales of available for sale securities and investment income interest and dividends, is summarized as follows:

 

   

Three Months Ended

September 30,

 
    2019     2018  
Interest and dividends accrued and paid   $ 116,371     $ 103,777  
Realized gains     58,068       2,788  
Investment income, net   $ 174,439     $ 106,565  

 

   

Nine Months Ended

September 30,

 
    2019     2018  
Interest and dividends accrued and paid   $ 364,414     $ 242,625  
Realized gains     68,418       11,125  
Investment income, net   $ 432,832     $ 253,750