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Investments in Debt Securities Available For Sale (Tables)
12 Months Ended
Dec. 31, 2019
Short-term Investments [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:

 

    December 31, 2019     December 31, 2018  
    Cost     Fair Value     Cost     Fair Value  
Short-term investments                                
Corporate debt securities   $ 7,943,108     $ 7,985,886     $ 14,228,126     $ 14,257,998  
Total   $ 7,943,108     $ 7,985,886     $ 14,228,126     $ 14,257,998  

 

    December 31, 2019     December 31, 2018  
    Cost     Fair Value     Cost     Fair Value  
Short-term investment maturities                                
Within 3 months   $ 7,943,108     $ 7,985,886     $ 5,383,488     $ 5,393,743  
Between 3-12 months     -       -       8,844,638       8,864,255  
Total   $ 7,943,108     $ 7,985,886     $ 14,228,126     $ 14,257,998  

Summary of Investment Securities Gross Unrealized Gains (Losses)

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

 

    December 31, 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 in debt securities with unrealized gains   $ 7,985,886     $ 42,778     $ 7,515,676     $ 38,068  
Investments in debt securities with unrealized losses     -       -       6,742,322       (8,196 )
Total   $ 7,985,886     $ 42,778     $ 14,257,998     $ 29,872  

Summary of Net Realized Losses On Sales of Available for Sale Securities and Investment Income Interest and Dividends

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

 

    2019     2018  
Interest and dividends accrued and paid   $ 442,987     $ 363,846  
Realized gains (losses)     57,895       (10,164 )
Investment income net   $ 500,882     $ 353,682