Note 8 - Fair Value Measurements	3 Months Ended
Mar. 31, 2021
Notes to Financial Statements
Fair Value Disclosures [Text Block]	8. FAIR VALUE MEASUREMENTS The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy requires that the Company maximize the use of observable inputs and minimize the use of unobservable inputs. The levels of the fair value hierarchy are described below: Level 1 - Quoted prices for identical instruments traded in active markets. Level 2 - Quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. Level 3 - Unobservable inputs that cannot be supported by market activity and significant to the fair value of the asset, liability, or equity such as the use of certain pricing models, discounted cash flow models, and similar techniques use significant assumptions. These unobservable inputs reflect our own estimates of assumptions that market participants would use in pricing the asset or liability: *Derivative Instruments* The values of our derivative instruments are derived from pricing models using inputs based upon market information, including contractual terms, market prices and yield curves. The inputs to the valuation pricing models are observable in the market, and as such the derivatives are classified as Level 2 in the fair value hierarchy. As on March 31,2021, the Company has settled all derivative contracts, hence there are no derivative assets and liabilities.

- 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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