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Investments (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Investments
Cost	$ 5,352,284	$ 6,406,062
Gross Unrealized Gains	31,925	2,162
Gross Unrealized Losses	1,348	58,309
Fair Value	5,382,861	6,349,915
U.S. corporations
Investments
Cost	4,433,867	5,487,645
Gross Unrealized Gains	20,611
Gross Unrealized Losses	1,348	58,309
Fair Value	4,453,130	5,429,336
International corporations
Investments
Cost	918,417	918,417
Gross Unrealized Gains	11,314	2,162
Fair Value	$ 929,731	$ 920,579

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
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+ References

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+ References

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