v3.26.1
Loss per share - Schedule of Basic and Diluted Net Loss Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Numerator:        
Net loss $ (3,177) $ (1,429) $ (3,528) $ (3,057)
Denominator:        
Weighted average shares used in calculating net loss per share - basic 4,205 2,556 3,181 2,518
Weighted average shares used in calculating net loss per share - Diluted 4,205 2,556 3,181 2,518
Net loss per share        
Net loss per share - Basic $ (0.76) $ (0.56) $ (1.11) $ (1.21)
Net loss per share - Diluted $ (0.76) $ (0.56) $ (1.11) $ (1.21)