XML 29 R18.htm IDEA: XBRL DOCUMENT v3.19.2

Cash, Cash Equivalents and Investments (Tables)

6 Months Ended

Jun. 30, 2019

Cash, Cash Equivalents and Investments [Abstract]

Summary of Cash, Cash Equivalents and Investments



	As of June 30, 2019
				Gross			Gross
	Amortized			unrealized			unrealized			Fair
	Cost			gains			losses			Value
Cash and cash equivalents:
Cash and money market funds	$	17,124		$	—		$	—		$	17,124
Commercial paper		10,388			—			(2)			10,386
U.S. Treasury securities		2,848			—			—			2,848
Total cash and cash equivalents		30,360			—			(2)			30,358
Investments:
Commercial paper		29,590			4			(2)			29,592
Corporate debt securities		5,481			16			—			5,497
US government & agency securities		1,396			1			—			1,397
Total investments		36,467			21			(2)			36,486
Total cash, cash equivalents and investments	$	66,827		$	21		$	(4)		$	66,844
Long-term restricted cash:
Certified deposits	$	4,000		$	—		$	—		$	4,000


	As of December 31, 2018
				Gross			Gross
	Amortized			unrealized			unrealized			Fair
	Cost			gains			losses			Value
Cash and cash equivalents:
Cash and money market funds	$	18,844		$	—		$	—		$	18,844
Total cash and cash equivalents		18,844			—			—			18,844
Investments:
Commercial paper		53,493			—			(24)			53,469
Corporate debt securities		10,223			3			(12)			10,214
US government & agency securities		19,830			—			(3)			19,827
Total investments		83,546			3			(39)			83,510
Total cash, cash equivalents and investments	$	102,390		$	3		$	(39)		$	102,354
Long-term restricted cash:
Certified deposits	$	4,500		$	—		$	—		$	4,500




Summary of Contractual Maturities of Cash Equivalents and Available-for-Sale Investments



(in thousands)	Fair Value
Due in one year or less	$	49,720
Total investments	$	49,720



X

- References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

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

X

- Definition

Tabular disclosure of the components of cash, cash equivalents, and investments.

+ References

No definition available.

+ Details

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