Note 11 - Revenue (Details Textual) Pure in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Non-US [Member] | ||||
| Number of Countries with Greater Than Ten Percent of Revenue | 0 | 0 | 0 | 0 |
| Minimum [Member] | Subscription Contracts [Member] | ||||
| Customer Contract Term (Year) | 1 year | |||
| Maximum [Member] | Subscription Contracts [Member] | ||||
| Customer Contract Term (Year) | 3 years | |||