Note 7 - Property and Equipment - Location of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024
Net book value of property and equipment	$ 890	$ 818
Net book value of property and equipment	890	818
UNITED STATES
Net book value of property and equipment	384	199
Net book value of property and equipment	384	199
UNITED KINGDOM
Net book value of property and equipment	104	60
Net book value of property and equipment	104	60
SINGAPORE
Net book value of property and equipment	92	147
Net book value of property and equipment	92	147
MALAYSIA
Net book value of property and equipment	310	412
Net book value of property and equipment	$ 310	$ 412