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Note 21 - Commitments and Contingencies (Details Textual) - USD ($)		12 Months Ended		312 Months Ended
	Jan. 07, 2022	Dec. 31, 2024	Dec. 31, 2016	Dec. 31, 2047	Jun. 30, 2025	Feb. 09, 2015
Contractual Obligation, Term (Year)		10 years
Purchase Commitment, Remaining Minimum Amount Committed					$ 9,800,000
Ting Fiber Inc. [Member]
Debt Instrument, Term (Year)	25 years
Ting Fiber Inc. [Member] | Forecast [Member]
Lease, Cost				$ 593,000,000
City of Westminster, Maryland [Member] | Loan to Finance WFN Construction [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 21,000,000
Debt Instrument, Term of Interest Only Payments (Year)			5 years
Debt Instrument, Term (Year)			30 years
Long-Term Debt		$ 16,200,000
Guarantee Obligations [Member] | Lease and Network Operations Agreement [Member] | Ting Fiber Inc. [Member]
Loss Contingency, Debt Service Guarantee, Revenue Shortfall Difference, Lower Threshold						$ 50,000
Loss Contingency, Debt Service Guarantee, Revenue Shortfall Difference, Upper Threshold						$ 150,000

X

- Definition

The length of term for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line and other contractual obligations.

+ References

No definition available.

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- Definition

Period of time in which only interest is paid under a debt agreement, 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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- Definition

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+ References

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- Definition

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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

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