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Investments in Cash Equivalents and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Fair value of marketable securities, by type

The following table summarizes the fair value of our marketable securities, by level within the fair value hierarchy, as of each period end:

			March 31, 2020																														December 31, 2019
			Level 1						Level 2						Total						Level 1						Level 2						Total
Commercial paper			$	—					$	498,008					$	498,008					$	—					$	2,119,607					$	2,119,607
Total fair value of marketable securities			$	—					$	498,008					$	498,008					$	—					$	2,119,607					$	2,119,607

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- Definition

Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258

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- References

No definition available.

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