Registration of securities issued in business combination transactions

Note 20 - Stock-based Compensation - Stock Options (Details)

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Note 20 - Stock-based Compensation - Stock Options (Details) - $ / shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Balance (in shares) 2,119,701 2,179,892  
Balance, weighted average exercise price (in dollars per share) $ 4.16 $ 4.54  
Balance at January 1, 2022 (in dollars per share) $ 2.25 $ 2.44  
Balance at January 1, 2022 (Year) 4 years 3 months 3 days 5 years 2 months 23 days 5 years 11 months 4 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 395,000 190,000  
Granted, weighted average exercise price (in dollars per share) $ 2.37 $ 1.92  
Granted (in dollars per share) $ 2.37 $ 1.43  
Granted (Year) 4 years 21 days 6 years 10 months 6 days  
Exercised (in shares) 0 0  
Exercised, weighted average exercise price (in dollars per share) $ 0 $ 0  
Cancelled (in shares) (266,284) (250,000)  
Cancelled, weighted average exercise price (in dollars per share) $ 5.88 $ 5.35  
Expired (in shares) (3,084) (191)  
Expired, weighted average exercise price (in dollars per share) $ 0 $ 0  
Balance (in shares) 2,245,333 2,119,701 2,179,892
Balance, weighted average exercise price (in dollars per share) $ 3.63 $ 4.16 $ 4.54
Balance outstanding at December 31, 2022 (in dollars per share) 2.88 $ 2.25 $ 2.44
Options exercisable (in shares)   1,259,701  
Options exercisable at December 31, 2022 (in dollars per share) 3.31 $ 3.51  
Options exercisable at December 31, 2022 (in dollars per share) $ 2.86 $ 1.68  
Options exercisable at December 31, 2022 (Year) 4 years 7 months 17 days 6 years 3 months  
Exercised (in shares) 0 (0)  
Options exercisable at December 31, 2023 (in shares) 1,771,997