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Note 15 - Stock Option Plans - Summary of Exercise Prices, Weighted Average Remaining Contractual Life and Intrinsic Values of Outstanding Options (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($) $ / shares shares
Equity Compensation Plan 2006 [Member]
Number outstanding (in shares) | shares	1,141,395
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 54.83
Weighted average remaining contractual life, options outstanding (Year)	4 years
Aggregate intrinsic value, options outstanding | $	$ 17
Number exercisable (in shares) | shares	733,662
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 61.23
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	2 years 9 months 18 days
Equity Compensation Plan 2006 [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 19.78
Exercise price - higher (in dollars per share)	$ 19.78
Number outstanding (in shares) | shares	27,500
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 19.78
Weighted average remaining contractual life, options outstanding (Year)	4 years 10 months 24 days
Aggregate intrinsic value, options outstanding | $	$ 17
Number exercisable (in shares) | shares	0
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 0
Aggregate intrinsic value, options exercisable | $	$ 0
Equity Compensation Plan 2006 [Member] | Exercise Price Range 02 [Member]
Exercise price - lower (in dollars per share)	$ 21.61
Exercise price - higher (in dollars per share)	$ 28.37
Number outstanding (in shares) | shares	138,255
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 26.38
Weighted average remaining contractual life, options outstanding (Year)	6 years 8 months 12 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	0
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 0
Aggregate intrinsic value, options exercisable | $	$ 0
Equity Compensation Plan 2006 [Member] | Exercise Price Range 03 [Member]
Exercise price - lower (in dollars per share)	$ 30.7
Exercise price - higher (in dollars per share)	$ 30.74
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)	6 years 2 months 12 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	0
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 0
Aggregate intrinsic value, options exercisable | $	$ 0
Equity Compensation Plan 2006 [Member] | Exercise Price Range 04 [Member]
Exercise price - lower (in dollars per share)	$ 40.04
Exercise price - higher (in dollars per share)	$ 48
Number outstanding (in shares) | shares	221,435
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 42.39
Weighted average remaining contractual life, options outstanding (Year)	5 years 7 months 6 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	78,919
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 43.18
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	5 years 3 months 18 days
Equity Compensation Plan 2006 [Member] | Exercise Price Range 05 [Member]
Exercise price - lower (in dollars per share)	$ 51.82
Exercise price - higher (in dollars per share)	$ 59.98
Number outstanding (in shares) | shares	194,258
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 55.72
Weighted average remaining contractual life, options outstanding (Year)	1 year 3 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	226,462
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 55.7
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	1 year 1 month 6 days
Equity Compensation Plan 2006 [Member] | Exercise Price Range 06 [Member]
Exercise price - lower (in dollars per share)	$ 60.01
Exercise price - higher (in dollars per share)	$ 68.41
Number outstanding (in shares) | shares	296,860
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 62.1
Weighted average remaining contractual life, options outstanding (Year)	2 years 10 months 24 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	293,059
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 62.39
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	2 years 8 months 12 days
Equity Compensation Plan 2006 [Member] | Exercise Price Range 07 [Member]
Exercise price - lower (in dollars per share)	$ 70.13
Exercise price - higher (in dollars per share)	$ 79.51
Number outstanding (in shares) | shares	226,587
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 78.51
Weighted average remaining contractual life, options outstanding (Year)	4 years 3 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	126,035
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 78.29
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	4 years 3 months 18 days
Equity Compensation Plan 2006 [Member] | Exercise Price Range 08 [Member]
Exercise price - lower (in dollars per share)	$ 80.61
Exercise price - higher (in dollars per share)	$ 82.07
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)	5 years
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	9,187
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 81.35
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	5 years
The 2022 Wavelo Equity Compensation Plan [Member]
Number outstanding (in shares) | shares	16,503,361
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.27
Weighted average remaining contractual life, options outstanding (Year)	6 years 1 month 6 days
Aggregate intrinsic value, options outstanding | $	$ 7,713
Number exercisable (in shares) | shares	6,748,600
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Aggregate intrinsic value, options exercisable | $	$ 3,172
Weighted average remaining contractual life, options exercisable (Year)	6 years 1 month 6 days
The 2022 Wavelo Equity Compensation Plan [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 1.27
Exercise price - higher (in dollars per share)	$ 1.27
Number outstanding (in shares) | shares	16,411,361
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.27
Weighted average remaining contractual life, options outstanding (Year)	6 years 1 month 6 days
Aggregate intrinsic value, options outstanding | $	$ 7,713
Number exercisable (in shares) | shares	6,748,600
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Aggregate intrinsic value, options exercisable | $	$ 3,172
Weighted average remaining contractual life, options exercisable (Year)	6 years 1 month 6 days
The 2022 Wavelo Equity Compensation Plan [Member] | Exercise Price Range 02 [Member]
Exercise price - lower (in dollars per share)	$ 1.74
Exercise price - higher (in dollars per share)	$ 1.74
Number outstanding (in shares) | shares	92,000
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.74
Weighted average remaining contractual life, options outstanding (Year)	6 years 9 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	0
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 0
Aggregate intrinsic value, options exercisable | $	$ 0
The 2022 Ting Equity Compensation Plan [Member]
Number outstanding (in shares) | shares	7,316,161
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 6
Weighted average remaining contractual life, options outstanding (Year)	6 years 3 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	2,656,504
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 6
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	6 years 3 months 18 days
The 2022 Ting Equity Compensation Plan [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 6
Exercise price - higher (in dollars per share)	$ 6
Number outstanding (in shares) | shares	7,316,161
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 6
Weighted average remaining contractual life, options outstanding (Year)	6 years 3 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	2,656,504
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 6
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	6 years 3 months 18 days

X

- Definition

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

+ References

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-Section 50
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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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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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