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Note 9 - Fair Value | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Fair Value Disclosures [Text Block] | NOTE 9. FAIR VALUE The fair value hierarchy prioritizes inputs to valuation techniques used to measure fair value into three broad levels: Level 1 — Observable inputs such as unadjusted quoted prices in active markets for identical assets or liabilities. Level 2 — Inputs other than quoted prices in active markets that are observable either directly or indirectly, including: quoted prices for similar assets and liabilities in active markets; quoted prices for identical or similar assets and liabilities in markets that are not active or other inputs that are observable or can be corroborated by observable market data. Level 3 — Unobservable inputs that are supported by little or no market data and require the reporting entity to develop its own assumptions. At March 31, 2022 and December 31, 2021, our financial instruments included cash, cash equivalents, receivables, marketable securities, investments, accounts payable, and long-term debt. The carrying value of cash, cash equivalents, 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). As our long-term debt was modified during the fourth quarter of 2021, its interest rate is considered to approximate market rates at March 31, 2022. If our debt was measured at fair value within our consolidated balance sheets, it would have been classified as level 2 in the fair value hierarchy. Warrants We have determined that the Public Warrants issued in connection with Yellowstone's initial public offering in October 2020 are subject to treatment as a liability. Prior to the deconsolidation of Yellowstone which occurred on January 25, 2022, we marked the Public Warrants to market based upon their observable trading price with changes in fair value recognized in the statement of operations. Our re-measurement of the Public Warrants from January 1, 2022 to January 25, 2022, and January 1, 2021 to March 31, 2021, resulted in a gain of $1,837,211 and $2,175,824, respectively, which is included within "Remeasurement of warrant liability" within our Consolidated Statements of Operations. The Public Warrants were classified as Level 1 as of December 31, 2021. Following the business combination between Yellowstone Acquisition Company and SHG which occurred on January 25, 2022, we no longer eliminate our investment in the Private Placement Warrants. Our Private Placement warrants related to Sky Harbour are considered level 2 and measured at fair value using observable inputs for similar assets in an active market. Marketable Equity Securities On an investment life-to-date basis, we have realized net gains on the sale of equity securities within the marketable equity portfolio held at Boston Omaha of approximately $61,000,000. Of this amount, approximately $15,000,000 and $3,000,000 were realized during the three months ended March 31, 2022 and 2021, respectively. These amounts exclude any realized gains on equity securities held within the marketable equity portfolio managed by UCS. Contingent Consideration associated with Business Combination The contingent consideration recorded in conjunction with our acquisition of ACS as discussed further in Note 6 was classified as Level 3 in the fair value hierarchy as the calculation is dependent upon projected company specific inputs using a Monte Carlo simulation. In future reporting periods, we will remeasure the estimated fair value of the contingent consideration liability until settled, with subsequent changes in value reported in earnings for the respective period. Marketable Equity Securities, U.S. Treasury Trading Securities, and Corporate Bonds Marketable equity securities and U.S. Treasury trading securities are reported at fair values. Substantially all of the fair value is determined using observed prices of publicly traded securities, level 1 in the fair value hierarchy.
|  | Total Carrying Amount in Consolidated Balance Sheet March 31, 2022 |  |  | Quoted Prices in Active Markets for Identical Assets |  |  | Realized Gains and (Losses) |  |  | Total Changes in Fair Values Included in Current Period Earnings (Loss) |
Marketable equity securities and U.S. Treasury trading securities |  | $ | 71,608,120 |  |  | $ | 71,608,120 |  |  | $ | 884,303 |  |  | $ | 1,770,783 |

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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 https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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