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Note 6 - Business Acquisitions (Details Textual) - USD ($) |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 24, 2023 | Jun. 16, 2023 | May 01, 2023 | Mar. 31, 2024 | Dec. 31, 2023 | May 31, 2023
Goodwill |  |  |  | $ 182,380,136 | $ 182,380,136 |
Minimum [Member] |  |  |  |  |  |
Acquired Property, Plant and Equipment, Weighted Average Useful Life (Year) |  |  |  | 4 years |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) |  |  |  | 5 years |  |
Maximum [Member] |  |  |  |  |  |
Acquired Property, Plant and Equipment, Weighted Average Useful Life (Year) |  |  |  | 20 years |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year) |  |  |  | 50 years |  |
The 24th Street Asset Management, LLC [Member] | Boston Omaha Asset Management, LLC [Member] |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  | 100.00% |  |  |
Business Combination, Consideration Transferred |  |  | $ 5,016,494 |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage |  |  |  |  |  | 48.00%
Payments to Acquire Businesses, Gross |  |  | $ 2,759,072 |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) |  |  | 45,644 |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value |  |  | $ 9,110,478 |  |  |
Goodwill, Acquired During Period |  |  | 536,626 |  |  |
The 24th Street Asset Management, LLC [Member] | Boston Omaha Asset Management, LLC [Member] | Holdback Cash Consideration [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 1,254,102 |  |  |
Broadband [Member} |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 2,881,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  | 844,500 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill |  | 1,046,000 |  |  |  |
Goodwill |  | $ 990,500 |  |  |  |
Broadband [Member} | Customer Relationships [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 15 years |  |  |  |
Cable Systems [Member] |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 4,375,000 |  |  |  |  |
Payments to Acquire Businesses, Gross | 3,937,500 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment | 1,664,240 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill | 1,797,000 |  |  |  |  |
Goodwill | 913,760 |  |  |  |  |
Business Combination, Consideration Transferred, Other | $ 437,500 |  |  |  |  |
Cable Systems [Member] | Customer Relationships [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 15 years |  |  |  |  |

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