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Note 9 - Basic and Diluted Earnings (Loss) Per Common Share - Summary of Basic and Diluted Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Net loss for the period $ (26,484) $ (19,083)
Shares used in computing basic and diluted loss per common share (note 9) (in shares) 10,923,599 10,806,321
Effect of outstanding stock options (in shares) 0 0
Diluted weighted average number of shares outstanding (in shares) 10,923,599 10,806,321
Basic and diluted loss per common share (note 9) (in dollars per share) $ (2.42) $ (1.77)