v3.26.1
Note 7 - Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Intangible Asset, Finite-Lived, Amortization Expense $ 139,000 $ 145,000 $ 279,000 $ 294,000