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Note 12 - Long-term Debt (Details Textual) |  | 6 Months Ended |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
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 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E + Details
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