Note 15 - Stock Option Plans - Stock-based Compensation Allocation to Operating Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Capitalized Internal Use Software [Member]
Capitalized stock-based compensation	$ (313)	$ (337)	$ 0
Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	5,193	6,033	5,779
Allocated share based compensation expense, net	5,288	6,060	5,779
The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	1,640	1,755	1,820
Allocated share based compensation expense, net	1,858	2,065	1,820
The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	188	346	0
Allocated share based compensation expense, net	188	346	0
Total Stock Based Compensation Expense [Member]
Allocated share based compensation expense, net	7,021	8,134	7,599
Network Expenses [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	395	399	399
Network Expenses [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	104	131	104
Network Expenses [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	34	45	0
Sales and Marketing Expense [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	962	1,423	1,498
Sales and Marketing Expense [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	950	931	508
Sales and Marketing Expense [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	71	139	0
Technical Operations and Development [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	601	634	545
Technical Operations and Development [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	261	259	407
Technical Operations and Development [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	0	6	0
General and Administrative Expense [Member] \| Equity Compensation Plan 2006 [Member]
Allocated share based compensation expense	3,235	3,577	3,337
General and Administrative Expense [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Allocated share based compensation expense	325	434	801
General and Administrative Expense [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Allocated share based compensation expense	$ 83	$ 156	$ 0

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 S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: 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
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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+ References

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)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Subparagraph (h)(1)
-Publisher FASB
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