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Investments

12 Months Ended

Dec. 31, 2019

Investments

Investments

6 — Investments

Our investments consisted of corporate bonds that we have classified as available-for-sale and are summarized in the following tables:

		As of December 31, 2019
					Gross			Gross
					Unrealized			Unrealized			Fair
		Cost			Gains			Losses			Value
Corporate bonds:
U.S. corporations		$	2,258,686		$	29,123		$	—		$	2,287,809
International corporations			471,139			9,339			—			480,478
Total		$	2,729,825		$	38,462		$	—		$	2,768,287

		As of 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

As of December 31, 2019, the scheduled maturities of our investments are as follows:

		Cost			Fair Value
Less than 1 year		$	471,139		$	480,478
1 to 3 years			2,258,686			2,287,809
Total		$	2,729,825		$	2,768,287

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The entire disclosure for investments in certain debt and equity securities.

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