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	3 Months Ended
	Mar. 31, 2024 USD ($) $ / shares shares
Equity Compensation Plan 2006 [Member]
Number outstanding (in shares) | shares	1,062,214
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 54.3
Weighted average remaining contractual life, options outstanding (Year)	3 years 7 months 6 days
Aggregate intrinsic value, options outstanding | $	$ 8
Number exercisable (in shares) | shares	610,211
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 61.27
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	2 years 6 months
Equity Compensation Plan 2006 [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 16.47
Exercise price - higher (in dollars per share)	$ 19.78
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 | $	$ 8
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)	$ 21.07
Exercise price - higher (in dollars per share)	$ 28.37
Number outstanding (in shares) | shares	140,997
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 26.19
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	2,500
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 22.36
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	6 years
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)	5 years 8 months 12 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	5,000
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 30.71
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	5 years 8 months 12 days
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	196,929
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 42.28
Weighted average remaining contractual life, options outstanding (Year)	5 years 1 month 6 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	64,181
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 42.87
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	5 years 2 months 12 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	174,808
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 55.73
Weighted average remaining contractual life, options outstanding (Year)	9 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	173,158
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 55.72
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	9 months 18 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	271,045
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 62.06
Weighted average remaining contractual life, options outstanding (Year)	2 years 3 months 18 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	240,743
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 62.3
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	2 years 2 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	210,685
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 78.49
Weighted average remaining contractual life, options outstanding (Year)	3 years 8 months 12 days
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	114,504
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 78.18
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	3 years 8 months 12 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)	4 years 6 months
Aggregate intrinsic value, options outstanding | $	$ 0
Number exercisable (in shares) | shares	10,125
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 81.42
Aggregate intrinsic value, options exercisable | $	$ 0
Weighted average remaining contractual life, options exercisable (Year)	4 years 6 months
The 2022 Wavelo Equity Compensation Plan [Member]
Number outstanding (in shares) | shares	16,485,256
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.29
Weighted average remaining contractual life, options outstanding (Year)	5 years 7 months 6 days
Aggregate intrinsic value, options outstanding | $	$ 7,417
Number exercisable (in shares) | shares	8,610,331
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Aggregate intrinsic value, options exercisable | $	$ 4,047
Weighted average remaining contractual life, options exercisable (Year)	5 years 7 months 6 days
The 2022 Wavelo Equity Compensation Plan [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 0
Exercise price - higher (in dollars per share)	$ 1.74
Number outstanding (in shares) | shares	16,485,256
Weighted average exercise price per share, options outstanding (in dollars per share)	$ 1.29
Weighted average remaining contractual life, options outstanding (Year)	5 years 7 months 6 days
Aggregate intrinsic value, options outstanding | $	$ 7,417
Number exercisable (in shares) | shares	8,610,331
Weighted average exercise price per share, options exercisable (in dollars per share)	$ 1.27
Aggregate intrinsic value, options exercisable | $	$ 4,047
Weighted average remaining contractual life, options exercisable (Year)	5 years 7 months 6 days
The 2022 Ting Equity Compensation Plan [Member]
Number outstanding (in shares) | shares	7,213,750
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
Number exercisable (in shares) | shares	3,448,984
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 1 month 6 days
The 2022 Ting Equity Compensation Plan [Member] | Exercise Price Range 01 [Member]
Exercise price - lower (in dollars per share)	$ 0
Exercise price - higher (in dollars per share)	$ 6
Number outstanding (in shares) | shares	7,213,750
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
Number exercisable (in shares) | shares	3,448,984
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 1 month 6 days