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Note 14 - Share-based Payments - Stock Option Transactions (Details) - $ / shares
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Equity Compensation Plan 2006 [Member]    
Outstanding, Number of shares (in shares) 1,036,748 901,651
Outstanding, Weighted average exercise price per share (in dollars per share) $ 59.97 $ 56.44
Granted, Number of shares (in shares) 10,000 7,000
Granted, Weighted average exercise price per share (in dollars per share) $ 22.36 $ 71.43
Exercised, Number of shares (in shares) 0 (11,592)
Exercised, Weighted average exercise price per share (in dollars per share) $ 0 $ 56.63
Forfeited, Number of shares (in shares) (18,423) (12,568)
Forfeited, Weighted average exercise price per share (in dollars per share) $ 60.04 $ 86.20
Expired, Number of shares (in shares) (6,725) (1,237)
Expired, Weighted average exercise price per share (in dollars per share) $ 67.25 $ 62.51
Outstanding, Number of shares (in shares) 1,021,600 883,254
Outstanding, Weighted average exercise price per share (in dollars per share) $ 60.04 $ 64.37
Options exercisable, Number of shares (in shares) 515,204 405,846
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 62.70 $ 56.40
The 2022 Wavelo Equity Compensation Plan [Member]    
Outstanding, Number of shares (in shares) 15,975,528  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.27  
Granted, Number of shares (in shares) 580,750  
Granted, Weighted average exercise price per share (in dollars per share) $ 1.27  
Exercised, Number of shares (in shares) 0  
Exercised, Weighted average exercise price per share (in dollars per share) $ 0  
Forfeited, Number of shares (in shares) (86,683)  
Forfeited, Weighted average exercise price per share (in dollars per share) $ 1.27  
Expired, Number of shares (in shares) 0  
Expired, Weighted average exercise price per share (in dollars per share) $ 0  
Outstanding, Number of shares (in shares) 16,469,595  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.27  
Options exercisable, Number of shares (in shares) 4,602,003  
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 1.27  
The 2022 Ting Equity Compensation Plan [Member]    
Outstanding, Number of shares (in shares) 0  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 0  
Granted, Number of shares (in shares) 7,315,000  
Granted, Weighted average exercise price per share (in dollars per share) $ 6.00  
Exercised, Number of shares (in shares) 0  
Exercised, Weighted average exercise price per share (in dollars per share) $ 0  
Forfeited, Number of shares (in shares) (35,473)  
Forfeited, Weighted average exercise price per share (in dollars per share) $ 6.00  
Expired, Number of shares (in shares) 0  
Expired, Weighted average exercise price per share (in dollars per share) $ 0  
Outstanding, Number of shares (in shares) 7,279,527  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 6.00  
Options exercisable, Number of shares (in shares) 1,836,206  
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 6.00