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Note 16 - Stock Option Plans (Details Textual) - USD ($) $ in Thousands |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 16, 2023 | Jan. 06, 2023 | Nov. 09, 2022 | Oct. 08, 2010 | Nov. 30, 2020 | Sep. 30, 2015 | Sep. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2023 | Nov. 22, 2006
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  | $ 0 | $ 1,096 | $ 4,818 |  |
Common Stock, Shares, Outstanding (in shares) |  |  |  |  |  |  |  | 10,903,405 | 10,817,110 |  |  |
Capitalized Internal Use Software [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Amount Capitalized |  |  |  |  |  |  |  | $ 337 | $ (0) | (0) |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  | 8,100 | 7,600 | 4,600 |  |
Equity Compensation Plan 2006 [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) |  |  |  | 1,725,000 | 4,000,000 | 2,475,000 |  |  |  |  |  | 1,250,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares) |  |  |  | 475,000 | 1,530,000 | 750,000 |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value |  |  |  |  |  |  |  | 0 | 800 | 6,400 |  |
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  |  | 1,100 | 4,800 |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  | 6,033 | 5,779 | $ 4,592 |  |
Equity Compensation Plan 2006 [Member] | Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  |  |  |  |  |  |  |  |  | 4 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) |  |  |  |  |  |  |  |  |  | 7 years |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  |  |  |  |  |  |  | $ 5,500 |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  |  | 2 years 9 months 18 days |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  | $ 6,000 | 5,800 | $ 4,600 |  |
Equity Compensation Plan 2006 [Member] | Automatic Formula Grants of Nonqualified Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  |  |  |  |  |  |  |  |  | 1 year |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) |  |  |  |  |  |  |  |  |  | 5 years |  |
The 2022 Wavelo Equity Compensation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) |  |  | 3 years |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) |  |  | 7 years |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  |  | 2 years 2 months 12 days |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  | $ 1,755 | 1,820 | $ 0 |  |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) |  |  | 20,000,000 |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding (in shares) |  |  | 100,000,000 |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  |  |  |  |  |  | 4,500 |  |  |  |
The 2022 Wavelo Equity Compensation Plan [Member] | Share-Based Payment Arrangement, Tranche One [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage |  |  | 25.00% |  |  |  |  |  |  |  |  |
The 2022 Ting Equity Compensation Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  |  |  |  |  |  | $ 346 | $ 0 | $ 0 |  |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) | 10 |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding (in shares) | 100 |  |  |  |  |  |  |  |  |  |  |
The 2022 Ting Equity Compensation Plan [Member] | Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) | 4 years |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  |  |  |  |  |  |  |  |  |  | $ 600 |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) |  |  |  |  |  |  | 2 years 6 months |  |  |  |  |
The 2022 Ting Equity Compensation Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) |  | 7 years |  |  |  |  |  |  |  |  |  |

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