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Fair Value | 3 Months Ended
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Mar. 31, 2021
Fair Value Disclosures [Abstract] |
Fair Value | 2. Fair Value Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The three levels of inputs that may be used to measure fair value are defined below:
| • | Level 1—Quoted prices in active markets for identical assets or liabilities at the measurement date.
| • | Level 2—Inputs other than quoted prices included in Level 1 that are observable for the asset or liability, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.
| • | Level 3—Unobservable inputs that are supported by little or no market activity that are significant to determining the fair value of the assets or liabilities, including pricing models, discounted cash flow methodologies and similar techniques.
The carrying values of the Company’s other assets, accounts payable and accrued expenses and other current liabilities approximate their fair values due to the short-term nature of these assets and liabilities. The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis:
|  | Fair Value at March 31, 2021 |
(in thousands) |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Cash and cash equivalents |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash in bank balances |  | $ | 12,035 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,035 |
Money market funds |  |  | 86,794 |  |  |  | — |  |  |  | — |  |  |  | 86,794 |
Total cash and cash equivalents |  | $ | 98,829 |  |  | $ | — |  |  | $ | — |  |  | $ | 98,829 |
Marketable securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-U.S. government securities |  | $ | — |  |  | $ | 11,265 |  |  | $ | — |  |  | $ | 11,265 |
Corporate debt securities |  |  | — |  |  |  | 40,640 |  |  |  | — |  |  |  | 40,640 |
Asset-backed securities |  |  | — |  |  |  | 13,394 |  |  |  | — |  |  |  | 13,394 |
Commercial paper |  |  | — |  |  |  | 31,453 |  |  |  | — |  |  |  | 31,453 |
Total marketable securities |  | $ | — |  |  | $ | 96,752 |  |  | $ | — |  |  | $ | 96,752 |
|  | Fair Value at December 31, 2020 |
(in thousands) |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 74,854 |  |  | $ | — |  |  | $ | — |  |  | $ | 74,854 |
Total |  | $ | 74,854 |  |  | $ | — |  |  | $ | — |  |  | $ | 74,854 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans payable |  | $ | — |  |  | $ | — |  |  | $ | 12,880 |  |  | $ | 12,880 |
Total |  | $ | — |  |  | $ | — |  |  | $ | 12,880 |  |  | $ | 12,880 |
The aggregate fair value of marketable securities as of March 31, 2021, by contractual maturity, are as follows:
(in thousands) |  | Fair Value |
Due in one year or less |  | $ | 71,059 |
Due after one year through two years |  |  | 25,693 |
Total marketable securities |  | $ | 96,752 |
During the three months ended March 31, 2021, there were no transfers between Level 1, Level 2 and Level 3.

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- 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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