Financial instruments - Hedging reserve (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Hedging Reserve of cash flow hedges [Roll Forward] | ||
| Balance at beginning of the year | $ (2,496) | $ 189 |
| Unrealized gains (losses) on fair value that may be subsequently reclassified to consolidated statements of loss | 2,154 | (4,746) |
| Losses reclassified to direct cost of revenues, general and administrative expenses, research and development expenses, and sales and marketing expenses. | 104 | 1,993 |
| Deferred income tax recovery | 0 | 68 |
| Balance at end of the year | $ (238) | $ (2,496) |