Note 15 - Share-based Payments - Stock Option Transactions (Details) - $ / shares	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Equity Compensation Plan 2006 [Member]
Outstanding, Number of shares (in shares)	1,122,700	1,132,632
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 45.86	$ 54.61
Granted, Number of shares (in shares)	0	2,500
Granted, Weighted average exercise price per share (in dollars per share)	$ 0	$ 21.07
Exercised, Number of shares (in shares)	0	0
Exercised, Weighted average exercise price per share (in dollars per share)	$ 0	$ 0
Forfeited, Number of shares (in shares)	(18,228)	(50,044)
Forfeited, Weighted average exercise price per share (in dollars per share)	$ 40.76	$ 15.27
Expired, Number of shares (in shares)	(60,509)	(22,874)
Expired, Weighted average exercise price per share (in dollars per share)	$ 60.3	$ 55.57
Outstanding, Number of shares (in shares)	1,043,963	1,062,214
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 45.11	$ 54.3
Options exercisable, Number of shares (in shares)	557,558	610,211
Options exercisable, Weighted average exercise price per share (in dollars per share)	$ 57.68	$ 61.27
The 2022 Wavelo Equity Compensation Plan [Member]
Outstanding, Number of shares (in shares)	15,887,997	16,333,233
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 1.28	$ 1.28
Granted, Number of shares (in shares)	226,000	530,000
Granted, Weighted average exercise price per share (in dollars per share)	$ 1.78	$ 1.74
Exercised, Number of shares (in shares)	0	0
Exercised, Weighted average exercise price per share (in dollars per share)	$ 0	$ 0
Forfeited, Number of shares (in shares)	(72,063)	(220,272)
Forfeited, Weighted average exercise price per share (in dollars per share)	$ 1.45	$ 0.27
Expired, Number of shares (in shares)	(301,132)	(157,705)
Expired, Weighted average exercise price per share (in dollars per share)	$ 1.27	$ 1.27
Outstanding, Number of shares (in shares)	15,740,802	16,485,256
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 1.32	$ 1.29
Options exercisable, Number of shares (in shares)	11,656,385	8,610,331
Options exercisable, Weighted average exercise price per share (in dollars per share)	$ 1.28	$ 1.27
The 2022 Ting Equity Compensation Plan [Member]
Outstanding, Number of shares (in shares)	5,959,660	7,504,269
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 6	$ 6
Granted, Number of shares (in shares)	0	18,000
Granted, Weighted average exercise price per share (in dollars per share)	$ 0	$ 6
Exercised, Number of shares (in shares)	0	0
Exercised, Weighted average exercise price per share (in dollars per share)	$ 0	$ 0
Forfeited, Number of shares (in shares)	(91,658)	(163,250)
Forfeited, Weighted average exercise price per share (in dollars per share)	$ 6	$ 6
Expired, Number of shares (in shares)	(930,891)	(145,269)
Expired, Weighted average exercise price per share (in dollars per share)	$ 6	$ 6
Outstanding, Number of shares (in shares)	4,937,111	7,213,750
Outstanding, Weighted average exercise price per share (in dollars per share)	$ 6	$ 6
Options exercisable, Number of shares (in shares)	3,797,940	3,448,984
Options exercisable, Weighted average exercise price per share (in dollars per share)	$ 6	$ 6

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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