Note 16 - Stock Option Plans - Summary of Exercise Prices, Weighted Average Remaining Contractual Life and Intrinsic Values of Outstanding Options (Details) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2023 USD ($) $ / shares shares
Equity Compensation Plan 2006 [Member]
Number outstanding (in shares) \| shares	1,132,632
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 54.61
Weighted average remaining contractual life, options outstanding (Year)	3 years 9 months 18 days
Aggregate intrinsic value, options outstanding \| $	$ 340
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	731,945
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 61.05
Weighted average remaining contractual life, options exercisable (Year)	2 years 7 months 6 days
The 2022 Wavelo Equity Compensation Plan [Member]
Number outstanding (in shares) \| shares	16,333,233
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.28
Weighted average remaining contractual life, options outstanding (Year)	5 years 10 months 24 days
Aggregate intrinsic value, options outstanding \| $	$ 7,588
Aggregate intrinsic value, options exercisable \| $	$ 3,643
Number exercisable (in shares) \| shares	7,752,114
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Weighted average remaining contractual life, options exercisable (Year)	5 years 10 months 24 days
The 2022 Ting Equity Compensation Plan [Member]
Number outstanding (in shares) \| shares	7,504,269
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 6
Weighted average remaining contractual life, options outstanding (Year)	6 years 1 month 6 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	3,156,281
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 6
Weighted average remaining contractual life, options exercisable (Year)	6 years
Exercise Price Range 01 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	31,250
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 19.38
Weighted average remaining contractual life, options outstanding (Year)	4 years 8 months 12 days
Aggregate intrinsic value, options outstanding \| $	$ 238
Aggregate intrinsic value, options exercisable \| $	$ 0
Exercise Price Range 01 [Member] \| The 2022 Wavelo Equity Compensation Plan [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	16,333,233
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.28
Weighted average remaining contractual life, options outstanding (Year)	5 years 10 months 24 days
Aggregate intrinsic value, options outstanding \| $	$ 7,588
Aggregate intrinsic value, options exercisable \| $	$ 3,643
Number exercisable (in shares) \| shares	7,752,114
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Weighted average remaining contractual life, options exercisable (Year)	5 years 10 months 24 days
Exercise Price Range 01 [Member] \| The 2022 Ting Equity Compensation Plan [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	7,504,269
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 6
Weighted average remaining contractual life, options outstanding (Year)	6 years 1 month 6 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	3,156,281
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 6
Weighted average remaining contractual life, options exercisable (Year)	6 years
Exercise Price Range 02 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	139,497
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 26.29
Weighted average remaining contractual life, options outstanding (Year)	6 years 4 months 24 days
Aggregate intrinsic value, options outstanding \| $	$ 102
Aggregate intrinsic value, options exercisable \| $	$ 0
Exercise Price Range 03 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	20,000
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 30.71
Weighted average remaining contractual life, options outstanding (Year)	5 years 10 months 24 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	5,000
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 30.71
Weighted average remaining contractual life, options exercisable (Year)	5 years 10 months 24 days
Exercise Price Range 04 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	216,247
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 42.4
Weighted average remaining contractual life, options outstanding (Year)	5 years 3 months 18 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	77,231
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 43.21
Weighted average remaining contractual life, options exercisable (Year)	5 years
Exercise Price Range 05 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	193,633
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 55.72
Weighted average remaining contractual life, options outstanding (Year)	1 year
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	225,837
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 55.7
Weighted average remaining contractual life, options exercisable (Year)	10 months 24 days
Exercise Price Range 06 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	292,332
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 62.1
Weighted average remaining contractual life, options outstanding (Year)	2 years 8 months 12 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	289,494
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 62.41
Weighted average remaining contractual life, options exercisable (Year)	2 years 6 months
Exercise Price Range 07 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	223,173
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 78.5
Weighted average remaining contractual life, options outstanding (Year)	4 years 1 month 6 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	124,258
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 78.28
Weighted average remaining contractual life, options exercisable (Year)	4 years
Exercise Price Range 08 [Member] \| Equity Compensation Plan 2006 [Member]
Exercise price - lower (in dollars per share)
Exercise price - higher (in dollars per share)
Number outstanding (in shares) \| shares	16,500
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 81.27
Weighted average remaining contractual life, options outstanding (Year)	4 years 9 months 18 days
Aggregate intrinsic value, options outstanding \| $	$ 0
Aggregate intrinsic value, options exercisable \| $	$ 0
Number exercisable (in shares) \| shares	10,125
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 81.42
Weighted average remaining contractual life, options exercisable (Year)	4 years 9 months 18 days

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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