The consolidated fixed charge ratio requirement.

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The maximum dividend amount available under credit agreement.

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Represents the incremental drawdowns related to the debt.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Note 12 - Long-term Debt (Details Textual)		6 Months Ended
Note 12 - Long-term Debt (Details Textual)	Sep. 17, 2024 USD ($)	Jun. 24, 2024 USD ($)	Dec. 31, 2027	Dec. 31, 2026	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024	May 30, 2024 USD ($)	Sep. 22, 2023 USD ($)	Sep. 21, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 06, 2021 USD ($)	Aug. 12, 2019 USD ($)
Long-Term Debt					$ 26,309,906
Long-Term Debt, Current Maturities					1,559,987	$ 1,201,448
First National Bank of Omaha [Member] \| Link Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 15,000,000						$ 15,000,000	$ 10,000,000	$ 5,000,000			$ 40,000,000
Credit Agreement, Maximum Dividend Amount											$ 8,125,000
Long-Term Line of Credit					9,600,000
Minimum Consolidated Leverage Ratio Requirement							3.5
Consolidated Fixed Charge Ratio Requirement						1.15
First National Bank of Omaha [Member] \| Link Credit Facility [Member] \| Forecast [Member]
Minimum Consolidated Leverage Ratio Requirement			3	3.25
First National Bank of Omaha [Member] \| Link Credit Facility [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.65%
First National Bank of Omaha [Member] \| Link Credit Facility [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate		1.15%
First National Bank of Omaha [Member] \| Link Credit Facility [Member] \| Term Loan 1 [Member]
Debt Instrument, Face Amount												$ 30,000,000	18,000,000
Debt Instrument, Interest Rate, Stated Percentage												4.00%
Long-Term Debt, Gross					30,000,000
Long-Term Debt					26,300,000
Long-Term Debt, Current Maturities					860,000
First National Bank of Omaha [Member] \| Link Credit Facility [Member] \| Term Loan 2 [Member]
Debt Instrument, Face Amount													$ 5,500,000
First National Bank of Omaha [Member] \| Boston Omaha Broadband Credit Facility [Member]
Minimum Consolidated Leverage Ratio Requirement	3.5
Consolidated Fixed Charge Ratio Requirement	1.15
Long-Term Debt, Maturity, Remainder of Fiscal Year					700,000
Long-Term Debt, Maturity, Year One					700,000
Long-Term Debt, Maturity, Year Two					700,000
Long-Term Debt, Maturity, Year Three					700,000
Long-Term Debt, Maturity, Year Four					700,000
Long-Term Debt, Maturity, Year Five					2,245,834
Long-Term Debt, Maturity, after Year Five					1,750,000
First National Bank of Omaha [Member] \| Boston Omaha Broadband Credit Facility [Member] \| Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 20,000,000
Long-Term Line of Credit					$ 6,800,000
Number of Operating Subsidiaries	3
Debt Instrument, Term (Year)	5 years
Debt Instrument, Term, Principle Payments (Year)	10 years
Unused Portion of Debt, Fee, Percent	0.25%
First National Bank of Omaha [Member] \| Boston Omaha Broadband Credit Facility [Member] \| Credit Facility [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.75%
First National Bank of Omaha [Member] \| Boston Omaha Broadband Credit Facility [Member] \| Credit Facility [Member] \| Base Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%
First National Bank of Omaha [Member] \| Boston Omaha Broadband Credit Facility [Member] \| Credit Facility [Member] \| Minimum [Member]
Debt Instrument, Incremental Drawdowns	$ 1,000,000