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Note 6 - Business Acquisitions (Details Textual) - USD ($)						12 Months Ended
	Oct. 24, 2023	Jun. 16, 2023	May 01, 2023	Nov. 21, 2022	Apr. 01, 2022	Dec. 31, 2023	May 31, 2023	Dec. 31, 2022
Goodwill						$ 182,380,136		$ 179,463,522
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						5 years
Acquired Property, Plant and Equipment, Weighted Average Useful Life (Year)						5 years
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)						5 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						50 years
Acquired Property, Plant and Equipment, Weighted Average Useful Life (Year)						40 years
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)						50 years
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						10 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)						15 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
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member]
Business Combination, Consideration Transferred					$ 48,573,149
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					5,983,410
Goodwill					$ 18,071,004
Business Combination, Consideration Transferred, Cash, Percentage					80.00%
Business Combination, Consideration Transferred, Equity Issued, Percentage					20.00%
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill					$ 16,900,000
Finite-Lived Intangible Asset, Useful Life (Year)					10 years
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] | Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)					20 years
Elevation Outdoor Advertising [Member]
Business Combination, Consideration Transferred				$ 14,239,257
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment				3,717,734
Goodwill				8,017,554
Elevation Outdoor Advertising [Member] | Customer Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill				$ 2,484,000
Finite-Lived Intangible Asset, Useful Life (Year)				15 years
Elevation Outdoor Advertising [Member] | Permits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				10 years

X

- Definition

Weighted average depreciation period of property, plant and equipment acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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The perentage of cash to total consideration paid for business combination.

+ References

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The precentage of equity issued to total consideration in a business combination.

+ References

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+ References

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+ References

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

+ References

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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