Investments (Schedule of Unrealized Loss on Investments) (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Investments [Abstract]
Aggregate Unrealized Losses, Loss duration less than one year	$ 55,485	$ 587,564
Aggregate Fair Value, Loss duration less than one year	18,860,975	90,721,081
Aggregate Unrealized Losses, Loss duration greater than one year	0	0
Aggregate Fair Value, Loss duration greater than one year	0	0
Aggregate Unrealized Losses, Total	55,485	587,564
Aggregate Fair Value, Total	$ 18,860,975	$ 90,721,081

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.

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