PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Property, plant and equipment, net
Property and equipment, gross	$ 31,682	$ 31,445
Less - accumulated depreciation	21,252	20,985
Property, plant and equipment, net	10,430	10,460
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	7,558	5,763
Furniture, machinery and equipment
Property, plant and equipment, net
Property and equipment, gross	17,219	18,924
Trucks, trailers and other vehicles
Property, plant and equipment, net
Property and equipment, gross	$ 6,042	$ 5,895