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Note 9 - Fair Value | 9 Months Ended
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Sep. 30, 2020
Notes to Financial Statements |
Fair Value Disclosures [Text Block] | NOTE 9. FAIR VALUE At September 30, 2020 and December 31, 2019, our financial instruments included cash, cash equivalents, restricted cash, receivables, marketable equity securities, certain investments, accounts payable, and long-term debt. The carrying value of cash, cash equivalents, restricted cash, receivables, and accounts payable approximates fair value due to the short-term nature of the instruments. The fair value of long-term debt is estimated using quoted prices for similar debt (level 2 in the fair value hierarchy). At September 30, 2020 , the estimated fair value of our long-term debt was $24,246,402 which exceeds the carrying amount of $23,353,002. Marketable equity securities, corporate bonds, and U.S. Treasury securities available for sale are reported at fair value. Substantially all of the fair value is determined using observed prices of publicly traded securities, level 1 in the fair value hierarchy. Fair values for equity investments in private companies are not readily available, but are estimated to approximate fair value.
|  | Total Carrying |  |  | Quoted Prices |  |  |  |  |  |  | Total Changes |
|  | Amount in |  |  | in Active |  |  |  |  |  |  | in Fair Values |
|  | Consolidated |  |  | Markets for |  |  |  |  |  |  | Included in |
|  | Balance Sheet |  |  | Identical |  |  | Realized Gains |  |  | Current Period |
|  | September 30, 2020 |  |  | Assets |  |  | and (Losses) |  |  | Earnings (Loss) |
Marketable equity securities, securities available for sale and corporate bonds |  | $ | 141,314,091 |  |  | $ | 141,314,091 |  |  | $ | 5,688,750 |  |  | $ | (24,413,748 | )

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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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