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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Summary of Financial Assets Measured at Fair Value on Recurring Basis

The following tables present the Company’s hierarchy for its assets measured at fair value on a recurring basis as of March 31, 2018 and December 31, 2017 (in thousands):  

		Fair Value Measurements at March 31, 2018
		(unaudited)
		Total				Level 1				Level 2				Level 3
Assets:
Current:
Cash and cash equivalents		$	11,196			$	11,196			$	—			$	—
Corporate debt securities			86,731				—				86,731				—
Government sponsored securities			12,493				—				12,493				—
Foreign government bonds			5,931				—				5,931				—
Commercial paper			5,438				—				5,438				—
Noncurrent:
Corporate debt securities			12,394				—				12,394				—
Government sponsored securities			2,697				—				2,697				—
Total assets measured at fair value		$	136,880			$	11,196			$	125,684			$	—

		Fair Value Measurements at December 31, 2017
		Total				Level 1				Level 2				Level 3
Assets:
Current:
Cash and cash equivalents		$	23,872			$	20,374			$	3,498			$	—
Corporate debt securities			82,109				—				82,109				—
Government sponsored securities			19,233				—				19,233				—
Foreign government bonds			2,938				—				2,938				—
Noncurrent:
Corporate debt securities			26,883				—				26,883				—
Government sponsored securities			2,717				—				2,717
Total assets measured at fair value		$	157,752			$	20,374			$	137,378			$	—

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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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