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Marketable Equity Securities (Tables)
 9 Months Ended
Sep. 30, 2018
Investments Debt And Equity Securities [Abstract]  
Schedule of Investments in Marketable Equity Securities

Investments in marketable equity securities as of September 30, 2018 consisted of the following:

 

 

 

 

 

 

 

Gross Unrealized

 

 

 

 

 

 

 

Cost Basis

 

 

Gains

 

 

Losses

 

 

Value

 

Investment in marketable equity securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Common stocks

 

$

755,487

 

 

$

792,024

 

 

$

—

 

 

$

1,547,511

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total investment in marketable equity securities

 

$

755,487

 

 

$

792,024

 

 

$

—

 

 

$

1,547,511