Related Parties - Summary of Entity Providing Key Management Personnel Services (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Disclosure of transactions between related parties [abstract] | |||
| Key management personnel services | $ 8 | $ 7 | $ 7 |
| Consultancy services | $ 59 | $ 25 | $ 20 |