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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Summary of Fair Value Measurements of Company's Financial Assets

The following table sets forth the fair value of the Company’s financial assets measured on a recurring basis by level within the fair value hierarchy (in thousands):

		March 31, 2018
		Total			Level 1			Level 2			Level 3
Assets:
Money market funds		$	57,491		$	57,491		$	—		$	—
U.S. treasury securities			1,000			1,000			—			—
Corporate bonds			29,820			—			29,820			—
Commercial paper			29,693			—			29,693			—
Asset-backed securities			3,939			—			3,939			—
Total		$	121,943		$	58,491		$	63,452		$	—

		December 31, 2017
		Total			Level 1			Level 2			Level 3
Assets:
Money market funds		$	68,651		$	68,651		$	—		$	—
U.S. treasury securities			3,993			3,993			—			—
Corporate bonds			26,827			—			26,827			—
Commercial paper			20,420			—			20,420			—
Asset-backed securities			8,203			—			8,203			—
Total		$	128,094		$	72,644		$	55,450		$	—

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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X

- References

No definition available.

+ Details

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