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Fair Value Measurements
6 Months Ended
Jun. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value Measurements Fair Value Measurements
The Company measures its financial assets and liabilities at fair value at each reporting period using a fair value hierarchy that requires that the Company maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument’s classification within the fair value hierarchy is based upon the lowest level of input that is significant to the fair value measurement. Three levels of inputs may be used to measure fair value:
Level 1—Observable inputs that reflect quoted prices (unadjusted) for identical assets or liabilities in active markets.
Level 2—Include other inputs that are directly or indirectly observable in the marketplace.
Level 3—Unobservable inputs that are supported by little or no market activity.
The fair value of marketable securities included in the Level 2 category is based on observable inputs, such as quoted prices for similar assets at the measurement date; quoted prices in markets that are not active; or other inputs that are observable, either directly or indirectly. These values were obtained from a third-party pricing service and were evaluated using pricing models that vary by asset class and may incorporate available trade, bid and other market information and price quotes from well-established third party pricing vendors and broker-dealers.
There have been no changes in valuation techniques in the periods presented. There were no significant transfers between fair value measurement levels as of June 30, 2020 and December 31, 2019. As of June 30, 2020 and December 31, 2019, there were no securities within Level 3 of the fair value hierarchy.
The following tables present information about the Company’s assets and liabilities that are measured at fair value on a recurring basis using the above input categories (in thousands):
As of June 30, 2020
Level 1Level 2Total
Cash equivalents:
Money market mutual funds$2,759  $—  $2,759  
$2,759  $—  $2,759  

As of December 31, 2019
Level 1Level 2Total
Cash equivalents:
Money market mutual funds$8,736  $—  $8,736  
U.S. treasury securities—  3,593  3,593  
Marketable securities:
U.S. agency obligations—  6,401  6,401  
U.S. treasury securities—  10,010  10,010  
$8,736  $20,004  $28,740  
Gross unrealized gains for cash equivalents and marketable securities as of June 30, 2020 and December 31, 2019 were not material.
Realized gains during the three and six months ended June 30, 2020 were not material. All of the Company’s securities as of December 31, 2019 mature within one year.