Fair Value Measurements

3 Months Ended

Mar. 31, 2018

Note 2. Fair Value Measurements

The following tables present information about the Company’s financial assets and liabilities that have been measured at fair value as of March 31, 2018 and December 31, 2017 , and indicates the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):

	March 31, 2018
	Level 1		Level 2		Total

Money market funds	$	26,267	$	—	$	26,267
Corporate notes and obligations		—		31,448		31,448
U.S. government treasury securities		31,925		—		31,925
	$	58,192	$	31,448	$	89,640

	December 31, 2017
	Level 1		Level 2		Total

Money market funds	$	24,225	$	—	$	24,225
Corporate notes and obligations		—		38,020		38,020
U.S. government treasury securities		55,881		—		55,881
	$	80,106	$	38,020	$	118,126

At March 31, 2018 and December 31, 2017 , the Company utilized the market approach to value its money market mutual funds and U.S. government treasury securities using Level 1 valuation inputs which include quoted prices in active markets for identical assets or liabilities. The Company’s Level 2 marketable securities are valued using the market approach based on broker or dealer quotations, actual trade data, recent observable transaction information for similar securities, benchmark yields or alternative pricing sources with reasonable levels of price transparency, and include the Company’s investments in U.S. agency securities and corporate notes and obligations, as applicable.

- 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.

+ References + Details