Note 5 - Balance Sheet - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Apr. 30, 2025	Jan. 31, 2025
Property and equipment, gross	$ 10,704	$ 10,470
Accumulated depreciation and amortization	(9,656)	(9,580)
Total property and equipment, net	1,048	890
Furniture and Fixtures [Member]
Property and equipment, gross	9,474	9,246
Vehicles [Member]
Property and equipment, gross	227	227
Land and Building [Member]
Property and equipment, gross	$ 1,003	$ 997