Note 15 - Stock Option Plans - Stock-based Compensation Allocation to Operating Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Capitalized Internal Use Software [Member]
Capitalized stock-based compensation	$ (219)	$ (313)	$ (337)
Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	4,067	5,193	6,033
Allocated share based compensation expense, net	4,108	5,288	6,060
The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	1,571	1,640	1,755
Allocated share based compensation expense, net	1,749	1,858	2,065
The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	1,501	188	346
Allocated share based compensation expense, net	1,501	188	346
Total Stock Based Compensation Expense [Member]
Allocated share based compensation expense, net	7,139	7,021	8,134
Network Expenses [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	223	395	399
Network Expenses [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	114	104	131
Network Expenses [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	14	34	45
Sales and Marketing Expense [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	749	962	1,423
Sales and Marketing Expense [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	307	950	931
Sales and Marketing Expense [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	1,402	71	139
Technical Operations and Development [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	455	601	634
Technical Operations and Development [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	312	261	259
Technical Operations and Development [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	0	0	6
General and Administrative Expense [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	2,640	3,235	3,577
General and Administrative Expense [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	838	325	434
General and Administrative Expense [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	$ 85	$ 83	$ 156

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
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-Section 50
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-Publisher FASB
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