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Note 15 - Stock Option Plans (Details Textual) - USD ($) $ in Thousands					1 Months Ended		3 Months Ended	12 Months Ended
	Jan. 16, 2023	Jan. 06, 2023	Nov. 09, 2022	Oct. 08, 2010	Nov. 30, 2020	Sep. 30, 2015	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Nov. 22, 2006
Common Stock, Shares, Outstanding (in shares)							11,111,453	11,111,453	11,014,655
Proceeds from Stock Options Exercised								$ 31	$ 43	$ 0
Revision of Prior Period, Error Correction, Adjustment [Member]
Share-Based Payment Arrangement, Expense							$ 1,400
Capitalized Internal Use Software [Member]
Share-Based Payment Arrangement, Amount Capitalized								219	313	337
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense								7,100	$ 7,000	$ 8,100
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 Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount							3,000	$ 3,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)								(0)	(0)	(0)
Share-Based Payment Arrangement, Expense								$ 4,067	$ 5,193	$ 6,033
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, Period for Recognition (Year)								2 years 7 months 6 days
Share-Based Payment Arrangement, Expense								$ 4,100	$ 5,200	6,000
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, Option, Cost Not yet Recognized, Amount							2,200	$ 2,200
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)								24,420	33,750
Share-Based Payment Arrangement, Expense								$ 1,571	$ 1,640	1,755
Common Stock, Capital Shares Reserved for Future Issuance (in shares)			20,000,000
Common Stock, Shares, Outstanding (in shares)			100,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value								100	100
Proceeds from Stock Options Exercised								$ 100	100
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 Wavelo Equity Compensation Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)								2 years 10 months 24 days
Share-Based Payment Arrangement, Expense								$ 1,600	1,600	1,800
The 2022 Ting Equity Compensation Plan [Member]
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount							$ 400	400
Share-Based Payment Arrangement, Expense								$ 1,501	188	346
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, Period for Recognition (Year)								1 year 2 months 12 days
Share-Based Payment Arrangement, Expense								$ 1,500	$ 200	$ 300
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