Fair Value of Financial Instruments

12 Months Ended

Dec. 31, 2019

4. Fair Value of Financial Instruments

The following tables set forth the Company’s assets that were accounted for at fair value on a recurring basis as of December 31, 2019:


	December 31, 2019
	Fair Value Measurement Using
	Level 1		Level 2		Level 3		Total
	(in thousands)
Cash equivalents:
Money market funds	$	13,949	$	—	$	—	$	13,949
Short-term investments:
U.S. Treasury securities		24,962		—		—		24,962
Total	$	38,911	$	—	$	—	$	38,911


	December 31, 2018
	Fair Value Measurement Using
	Level 1		Level 2		Level 3		Total
	(in thousands)
Cash equivalents:
Money market funds	$	18,609	$	—	$	—	$	18,609
U.S. Treasury securities		19,964		—		—		19,964
Short-term investments:
U.S. government-sponsored enterprise securities		—		6,059		—		6,059
U.S. Treasury securities		29,673		—		—		29,673
Total	$	68,246	$	6,059	$	—	$	74,305

The Company classifies its money market funds and U.S. Treasury securities as Level 1 assets under the fair value hierarchy as these assets have been valued using quoted market prices in active markets without any valuation adjustment. The Company classifies its corporate and municipal notes as Level 2 assets under the fair value hierarchy, as these assets have been valued using information obtained through a third-party pricing service as of each balance sheet date, using observable market inputs that may include trade information, broker or dealer quotes, bids, offers, or a combination of these data sources.

The carrying amounts of the Company’s cash equivalents, grants receivable, accounts payable and accrued expenses approximate their fair value due to the short-term nature of these amounts.

- 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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