Revenue and contract costs - Schedule of Deferred Contract Acquisition Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
Jan. 31, 2026 |
|
| Capitalized Contract Cost [Roll Forward] | |||||
| Balance, January 31, 2026 | $ 748 | ||||
| Additions to deferred contract acquisition costs | 0 | ||||
| Amortization of deferred contract acquisition costs | $ (108) | $ (242) | (224) | $ (352) | |
| Balance, July 31, 2026 | 524 | 524 | |||
| Deferred contract acquisition costs, current (to be amortized in next 12 months) | 394 | 394 | $ 410 | ||
| Deferred contract acquisition costs, non-current | 130 | 130 | 338 | ||
| Total deferred contract acquisition costs | $ 524 | $ 524 | $ 748 | ||