Note 7 - Property and Equipment - Location of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Net book value of property and equipment	$ 818	$ 953
UNITED STATES
Net book value of property and equipment	199	174
Europe [Member]
Net book value of property and equipment	60	44
SINGAPORE
Net book value of property and equipment	147	154
MALAYSIA
Net book value of property and equipment	$ 412	$ 581