PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
Property, plant and equipment, net
Property and equipment, gross	$ 32,613	$ 31,682
Less - accumulated depreciation	21,592	21,252
Property, plant and equipment, net	11,021	10,430
Land and improvements
Property, plant and equipment, net
Property and equipment, gross	863	863
Building and improvements
Property, plant and equipment, net
Property and equipment, gross	7,910	7,558
Furniture, machinery and equipment
Property, plant and equipment, net
Property and equipment, gross	17,938	17,219
Trucks, trailers and other vehicles
Property, plant and equipment, net
Property and equipment, gross	$ 5,902	$ 6,042