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Note 3 - Fair Value of Financial Instruments | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Fair Value Disclosures [Text Block] | 3. FAIR VALUE OF FINANCIAL INSTRUMENTS Fair value is defined as an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants. Accordingly, fair value is a market-based measurement that is determined based on assumptions that market participants would use in pricing an asset or liability. The fair value of the hedge derivative liability was determined based on quotes from the counterparty which were verified by comparing them to the exchange on which the related futures are traded, adjusted for counterparty credit risk. The fair value of our interest rate swap agreement is determined using the market-standard methodology of netting the discounted future fixed-cash payments and the discounted expected variable-cash receipts. The variable-cash receipts are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. These analyses reflect the contractual terms of the swap, including the period to maturity, and use observable market-based inputs, including interest rate curves and implied volatilities. The fair value calculation also includes an amount for risk of non-performance of our counterparties using "significant unobservable inputs" such as estimates of current credit spreads to evaluate the likelihood of default, which we have determined to be insignificant to the overall fair value of our interest rate swap agreement. A three -tier fair value hierarchy is used to prioritize the inputs in measuring fair value as follows:
● | Level 1. Observable inputs such as quoted prices in active markets;
● | Level 2. Inputs, other than the quoted prices in active markets, that are observable either directly or indirectly; and
● | Level 3. Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own assumptions.
Derivatives Measured at Fair Value on a Recurring Basis |
(in thousands) |  | December 31, |
Hedge derivative s |  | 2017 (1) |  |  | 2016 (1) |
Net Fair Value of Derivative |  | $ | 393 |  |  | $ | (4,293 | )
Quoted Prices in Active Markets (Level 1) |  |  | - |  |  |  | - |
Significant Other Observable Inputs (Level 2) |  | $ | 393 |  |  | $ | (4,293 | )
Significant Unobservable Inputs (Level 3) |  |  | - |  |  |  | - |
| ( 1 ) | Includes derivative liabilities of $487 and assets of $26 at December 31, 2017 and 2016, respectively.
See Note 13 for additional information on our derivative instruments.

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