XML 62 R19.htm IDEA: XBRL DOCUMENT v3.19.3

Fair Value Measurements and Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Summary of Cash Equivalents and Marketable Securities

The following tables summarize the Company’s cash equivalents and marketable securities as of September 30, 2019 and December 31, 2018:

		September 30, 2019
						Quoted				Significant
						Prices in				Other				Significant
						Active				Observable				Unobservable
						Markets				Inputs				Inputs
		Total				(Level 1)				(Level 2)				(Level 3)
		(in thousands)
Cash equivalents:
Money market funds		$	33,344			$	33,344			$	—			$	—
Commercial paper			700				—				700				—
Total cash equivalents			34,044				33,344				700				—
Marketable securities:
Commercial paper			13,479				—				13,479				—
Corporate bonds			13,169				—				13,169				—
U.S. Government securities			12,021				—				12,021				—
Total marketable securities			38,669				—				38,669				—
Total cash equivalents and marketable securities		$	72,713			$	33,344			$	39,369			$	—

		December 31, 2018
						Quoted				Significant
						Prices in				Other				Significant
						Active				Observable				Unobservable
						Markets				Inputs				Inputs
		Total				(Level 1)				(Level 2)				(Level 3)
	(in thousands)
Cash equivalents:
Money market funds		$	40,231			$	40,231			$	—			$	—
Commercial paper			4,979				—				4,979				—
Total cash equivalents			45,210				40,231				4,979				—
Marketable securities:
Commercial paper			38,911				—				38,911				—
Corporate bonds			25,830				—				25,830				—
U.S. Government securities			3,994				—				3,994				—
Total marketable securities			68,735				—				68,735				—
Total cash equivalents and marketable securities		$	113,945			$	40,231			$	73,714			$	—

Summary of Marketable Securities

The following tables summarize the Company’s marketable securities as of September 30, 2019 and December 31, 2018:

		September 30, 2019
						Gross				Gross
		Amortized				Unrealized				Unrealized
		Cost				Gains				Losses				Fair Value
		(in thousands)
Assets:
Commercial paper (due within 1 year)		$	13,479			$	—			$	—			$	13,479
Corporate bonds (due within 1 year)			13,137				32				—				13,169
U.S. Government securities (due within 1 year)			12,011				10				—				12,021
		$	38,627			$	42			$	—			$	38,669

		December 31, 2018
						Gross				Gross
		Amortized				Unrealized				Unrealized
		Cost				Gains				Losses				Fair Value
		(in thousands)
Assets:
Commercial paper (due within 1 year)		$	38,921			$	—			$	(10	)		$	38,911
Corporate bonds (due within 1 year)			25,851				3				(24	)			25,830
U.S. Government securities (due within 1 year)			3,995				—				(1	)			3,994
		$	68,767			$	3			$	(35	)		$	68,735

X

- 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=117815213&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=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueAssetsMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration