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Note 15 - Share-based Payments - Stock Option Transactions (Details) - $ / shares
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Equity Compensation Plan 2006 [Member]    
Outstanding, Number of shares (in shares) 1,132,632 1,036,748
Outstanding, Weighted average exercise price per share (in dollars per share) $ 54.61 $ 59.97
Granted, Number of shares (in shares) 2,500 10,000
Granted, Weighted average exercise price per share (in dollars per share) $ 21.07 $ 22.36
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) (50,044) (18,423)
Forfeited, Weighted average exercise price per share (in dollars per share) $ 15.27 $ 60.04
Expired, Number of shares (in shares) (22,874) (6,725)
Expired, Weighted average exercise price per share (in dollars per share) $ 55.57 $ 67.25
Outstanding, Number of shares (in shares) 1,062,214 1,021,600
Outstanding, Weighted average exercise price per share (in dollars per share) $ 54.3 $ 60.04
Options exercisable, Number of shares (in shares) 610,211 515,204
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 61.27 $ 62.7
The 2022 Wavelo Equity Compensation Plan [Member]    
Outstanding, Number of shares (in shares) 16,333,233 15,975,528
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.28 $ 1.27
Granted, Number of shares (in shares) 530,000 580,750
Granted, Weighted average exercise price per share (in dollars per share) $ 1.74 $ 1.27
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) (220,272) (86,683)
Forfeited, Weighted average exercise price per share (in dollars per share) $ 0.27 $ 1.27
Expired, Number of shares (in shares) (157,705) 0
Expired, Weighted average exercise price per share (in dollars per share) $ 1.27 $ 0
Outstanding, Number of shares (in shares) 16,485,256 16,469,595
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.29 $ 1.27
Options exercisable, Number of shares (in shares) 8,610,331 4,602,003
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 1.27 $ 1.27
The 2022 Ting Equity Compensation Plan [Member]    
Outstanding, Number of shares (in shares) 7,504,269 0
Outstanding, Weighted average exercise price per share (in dollars per share) $ 6 $ 0
Granted, Number of shares (in shares) 18,000 7,315,000
Granted, Weighted average exercise price per share (in dollars per share) $ 6 $ 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) (163,250) (35,473)
Forfeited, Weighted average exercise price per share (in dollars per share) $ 6 $ 6
Expired, Number of shares (in shares) (145,269) 0
Expired, Weighted average exercise price per share (in dollars per share) $ 6 $ 0
Outstanding, Number of shares (in shares) 7,213,750 7,279,527
Outstanding, Weighted average exercise price per share (in dollars per share) $ 6 $ 6
Options exercisable, Number of shares (in shares) 3,448,984 1,836,206
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 6 $ 6