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Investments in Debt Securities (Tables)
3 Months Ended
Mar. 31, 2019
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investments in Marketable Securities

At March 31, 2019 and December 31, 2018, the Company held investments in marketable securities that were classified as held-to-maturity and carried at amortized costs. Held-to-maturity securities consisted of the following:

 

    March 31, 2019     December 31, 2018  
                 
States and Municipalities   $ 12,134     $ 162,106