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Fair value of financial instruments | 12 Months Ended
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Dec. 31, 2018
Fair Value Disclosures [Abstract] |
Fair value of financial instruments | Fair value of financial instruments The fair value of financial instruments are categorized based upon the level of judgment associated with the inputs used to measure their fair values. Fair value is measured using inputs from the three levels of the fair value hierarchy, which are described as follows: Level 1—Quoted prices in active markets for identical assets or liabilities Level 2—Quoted prices for similar assets and liabilities in active markets or inputs that are observable Level 3—Inputs that are unobservable (for example, cash flow modeling inputs based on management’s assumptions) The assets’ or liabilities’ fair value measurement level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. The following table sets forth the fair value of the Company’s financial liabilities by level within the fair value hierarchy as of December 31, 2018 (in thousands):
|  |  | Fair value measurements using
| Fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial liabilities: |  |  |  |  |  |  |
Long-term debt, including current portion (1) | $ | 150,719 |  |  | $ | — |  |  | $ | 150,719 |  |  | $ | — |
Total financial liabilities | $ | 150,719 |  |  | $ | — |  |  | $ | 150,719 |  |  | $ | — |
__________________________ (1)(1) Of this amount, $9,861 is classified as current. The gross carrying amounts of the Company’s bank debt, before reduction of the debt issuance costs, approximate their fair values as the stated rates approximate market rates for loans with similar terms. The following table sets forth the fair value of the Company’s financial liabilities by level within the fair value hierarchy as of December 31, 2017 (in thousands):
|  |  | Fair value measurements using
| Fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial liabilities: |  |  |  |  |  |  |
Long-term debt, including current portion (1) | $ | 156,792 |  |  | $ | — |  |  | $ | 156,792 |  |  | $ | — |
Total financial liabilities | $ | 156,792 |  |  | $ | — |  |  | $ | 156,792 |  |  | $ | — |
__________________________ (1) Of this amount, $8,646 is classified as current. The gross carrying amounts of the Company’s bank debt, before reduction of the debt issuance costs, approximate their fair values as the stated rates approximate market rates for loans with similar terms. The Company classifies its cash equivalents, primarily, its money market funds within Level 1 based on quoted market prices in active markets for identical assets. The Company did not transfer any assets measured at fair value on a recurring basis to or from Level 2 for any of the periods presented.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI http://asc.fasb.org/topic&trid=2155941 + Details
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