Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Assets

Fair Value of Financial Assets

6 Months Ended

Jun. 30, 2018

3. Fair Value of Financial Assets

The following table presents information about the Company’s financial assets that have been measured at fair value at December 31, 2017 and June 30, 2018 and indicates the fair value hierarchy of the valuation inputs utilized to determine such fair value.

June 30, 2018
Assets	Total		Level 1		Level 2		Level 3
Short-term investments	$	50,370	$	50,370		—		—
Other asset – advance payment to supplier		1,728		—		—		1,728
Total	$	52,098		50,370		—		1,728
December 31, 2017
Assets	Total		Level 1		Level 2		Level 3
Short-term investments	$	30,731		30,731		—		—
Other asset – advance payment to supplier		1,472		—		—		1,472
Total	$	32,203		30,731		—		1,472

See Note 4 for further details on the short-term investments held. The other asset above relates to advance payments made to a supplier that were recorded at fair value using the discounted cash flow model (DCF), as of December 31, 2017 and June 30, 2018. Key assumptions used in the DCF include a discount rate of 15% and the expected time to recovery of the payment. See Note 11—Payments to Supplier, for further details on these advance payments.

As of June 30, 2018, the estimated fair value of our borrowings under our term loan with SVB was approximately equal to its book value based on the borrowing rates currently available for variable rate loans (Level 2).

- 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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