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Note 8 - Notes Payable (Details Textual) - USD ($) |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Aug. 20, 2024 | May 04, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Debt Instrument, Unamortized Discount |  |  | $ 980,000 |  | $ 980,000 |  |  | $ 974,000
Funds Held for Clients |  |  | 4,618,000 | $ 4,303,000 | 4,618,000 | $ 4,303,000 |  | 4,628,000
Restricted Cash, Noncurrent |  |  | 12,060,000 | 11,579,000 | 12,060,000 | 11,579,000 |  | 11,707,000
The 2024 Term Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument, Scheduled Repayment to be Paid, Principal |  |  |  |  |  |  | $ 63,000,000 |
The 2023 Term Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument, Scheduled Repayment to be Paid, Principal |  |  |  |  |  |  | $ 238,500,000 |
The 2023 and 2024 Notes [Member] |  |  |  |  |  |  |  |
Interest Expense, Debt |  |  | 1,000,000 | 900,000 | 3,000,000 | 2,700,000 |  |
Interest Costs Capitalized |  |  | 100,000 | $ 300,000 | $ 200,000 | $ 1,000,000 |  |
Ting Issuer LLC [Member] |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 220,500,000 |  |  |  |  |  |
Debt Instrument, Unamortized Discount |  | 11,200,000 |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ 6,700,000 |  |  |  |  |  |
Debt Instrument, Term (Year) |  | 5 years |  |  | 10 years |  |  |
Debt Instrument, Interest Rate, Increase (Decrease) |  | 5.00% |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2023-1, Class A-2 [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 168,357,000 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 5.95% |  |  |  |  |  |
Debt Instrument, Interest Rate, Increase (Decrease) |  | 3.50% |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2023-1, Class B [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 23,289,000 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 7.40% |  |  |  |  |  |
Debt Instrument, Interest Rate, Increase (Decrease) |  | 5.00% |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2023-1, Class C [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 46,859,000 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 9.95% |  |  |  |  |  |
Debt Instrument, Interest Rate, Increase (Decrease) |  | 7.82% |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2024-1, Class A-2 [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 55,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.63% |  |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2024-1, Class B [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 8,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.85% |  |  |  |  |  |  |
Ting Issuer LLC [Member] | Secured Fiber Revenue Notes, Series 2024-1, Class C [Member] |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | $ 16,000,000 |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 9.15% |  |  |  |  |  |  |
Ting Issuer LLC [Member] | The 2024 Term Notes [Member] |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt | $ 61,000,000 |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount | 0 |  |  |  |  |  |  |
Debt Issuance Costs, Net | $ 2,000,000 |  |  |  |  |  |  |
Ting Issuer LLC [Member] | The 2023 Term Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount |  |  | $ 5,836,000 |  | $ 5,836,000 |  |  | $ 7,518,000

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