v3.26.1
Note 12 - Segment Reporting (Details Textual)
3 Months Ended 6 Months Ended
Jul. 31, 2026
USD ($)
Jul. 31, 2025
USD ($)
Jul. 31, 2026
USD ($)
Jul. 31, 2025
USD ($)
Depreciation $ 85,000 $ 72,000 $ 174,000 $ 148,000
Intangible Asset, Finite-Lived, Amortization Expense $ 139,000 $ 145,000 $ 279,000 $ 294,000
Number of Operating Segments     1  
Number of Reportable Segments     1