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Note 16 - Stock Option Plans - Stock Option Transactions (Details) - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Equity Compensation Plan 2006 [Member]      
Outstanding, Number of shares (in shares) 1,036,748 904,151 845,020
Outstanding, Weighted average exercise price per share (in dollars per share) $ 59.97 $ 64.36 $ 55.31
Granted, Number of shares (in shares) 172,305 262,980 282,625
Granted, Weighted average exercise price per share (in dollars per share) $ 25.04 $ 42.15 $ 79.3
Exercised, Number of shares (in shares) 0 (40,459) (179,321)
Exercised, Weighted average exercise price per share (in dollars per share) $ 0 $ 31.95 $ 45.04
Forfeited, Number of shares (in shares) (41,126) (55,234) (41,240)
Forfeited, Weighted average exercise price per share (in dollars per share) $ 58.89 $ 68.11 $ 65.72
Expired, Number of shares (in shares) (35,295) (34,690) (2,933)
Expired, Weighted average exercise price per share (in dollars per share) $ 68.58 $ 58.92 $ 60.7
Outstanding, Number of shares (in shares) 1,132,632 1,036,748 904,151
Outstanding, Weighted average exercise price per share (in dollars per share) $ 54.61 $ 59.97 $ 64.36
Options exercisable, Number of shares (in shares) 731,945 520,679 415,925
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 61.05 $ 62.74 $ 56.44
The 2022 Wavelo Equity Compensation Plan [Member]      
Outstanding, Number of shares (in shares) 15,975,528 0  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.27 $ 0  
Granted, Number of shares (in shares) 865,000 15,975,528  
Granted, Weighted average exercise price per share (in dollars per share) $ 1.37 $ 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) (451,708) 0  
Forfeited, Weighted average exercise price per share (in dollars per share) $ 1.27 $ 0  
Expired, Number of shares (in shares) (55,587) 0  
Expired, Weighted average exercise price per share (in dollars per share) $ 1.27 $ 0  
Outstanding, Number of shares (in shares) 16,333,233 15,975,528 0
Outstanding, Weighted average exercise price per share (in dollars per share) $ 1.28 $ 1.27 $ 0
Options exercisable, Number of shares (in shares) 7,752,114 15,975,528  
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) 0    
Outstanding, Weighted average exercise price per share (in dollars per share) $ 0    
Granted, Number of shares (in shares) 8,044,000    
Granted, Weighted average exercise price per share (in dollars per share) $ 6    
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) (438,381)    
Forfeited, Weighted average exercise price per share (in dollars per share) $ 6    
Expired, Number of shares (in shares) (101,350)    
Expired, Weighted average exercise price per share (in dollars per share) $ 6    
Outstanding, Number of shares (in shares) 7,504,269 0  
Outstanding, Weighted average exercise price per share (in dollars per share) $ 6 $ 0  
Options exercisable, Number of shares (in shares) 3,156,281    
Options exercisable, Weighted average exercise price per share (in dollars per share) $ 6