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Investments (Tables)

6 Months Ended

Jun. 30, 2019

Investments

Summary of available-for-sale securities

			June 30, 2019
					Gross			Gross
					Unrealized			Unrealized			Fair
		Cost			Gains			Losses			Value
Corporate bonds:
U.S. corporations		$	4,433,867		$	20,611		$	1,348		$	4,453,130
International corporations			918,417			11,314			—			929,731
Total		$	5,352,284		$	31,925		$	1,348		$	5,382,861

			December 31, 2018
					Gross			Gross
					Unrealized			Unrealized			Fair
		Cost			Gains			Losses			Value
Corporate bonds:
U.S. corporations		$	5,487,645		$	—		$	58,309		$	5,429,336
International corporations			918,417			2,162			—			920,579
Total		$	6,406,062		$	2,162		$	58,309		$	6,349,915

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- Definition

Tabular disclosure 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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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- References

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