Fair Value of Financial Assets and Liabilities

6 Months Ended

Jun. 30, 2017

Fair Value of Financial Assets and Liabilities

Fair Value of Financial Assets and Liabilities

3. Fair Value of Financial Assets and Liabilities

The following tables present information about the Company’s assets and liabilities, which are measured at fair value on a recurring basis and indicate the level of the fair value hierarchy utilized to determine such fair values:


	June 30, 2017
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	23,596	$	6,993	$	—	$	30,589
Marketable securities		—		137,789		—		137,789
Total	$	23,596	$	144,782	$	—	$	168,378


	December 31, 2016
	Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents	$	11,522	$	12,691	$	—	$	24,213
Marketable securities		—		143,963		—		143,963
Total	$	11,522	$	156,654	$	—	$	168,176

As of June 30, 2017 and December 31, 2016, the Company’s cash equivalents consisted of investments with maturities of less than three months and included a money market fund, which was valued based upon Level 1 inputs, and commercial paper and asset-backed securities, which were valued based upon Level 2 inputs. In determining the fair value of its Level 2 investments the Company relied on quoted prices for identical securities in markets that are not active. These quoted prices were obtained by the Company with the assistance of a third-party pricing service based on available trade, bid and other observable market data for identical securities. On a quarterly basis, the Company compares the quoted prices obtained from the third-party pricing service to other available independent pricing information to validate the reasonableness of those quoted prices. The Company evaluates whether adjustments to third-party pricing is necessary and, historically, the Company has not made adjustments to the quoted prices obtained from the third-party pricing service. During the six months ended June 30, 2017 and the year ended December 31, 2016, there were no transfers between Level 1, Level 2 and Level 3.

As of June 30, 2017 and December 31, 2016, the fair value of the Company’s available for sale marketable securities by type of security was as follows:


	June 30, 2017
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gain		Loss		Value

Marketable securities:
Corporate debt securities	$	38,318	$	—	$	(25)	$	38,293
Commercial paper		34,098		—		—		34,098
Asset-backed securities		25,938		—		(21)		25,917
U.S. government agency debt securities		39,539		—		(58)		39,481
Total marketable securities	$	137,893	$	—	$	(104)	$	137,789


	December 31, 2016
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gain		Loss		Value
Marketable securities:
Corporate debt securities	$	51,352	$	—	$	(59)	$	51,293
Commercial paper		20,463		—		—		20,463
Asset-backed securities		28,692		6		(1)		28,697
U.S. government agency debt securities		43,505		8		(3)		43,510
Total marketable securities	$	144,012	$	14	$	(63)	$	143,963

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

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