Note 6 - Balance Sheet (Tables)

3 Months Ended

Apr. 30, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	April 30, 2023			January 31, 2023
	(in thousands)
Inventories:
Raw materials	$	8,341		$	8,480
Finished goods		3,657			4,156
Work in progress		4,079			4,422
Cost of inventories		16,077			17,058
Less allowance for obsolescence		(1,738	)		(1,740	)
Total inventories, net	$	14,339		$	15,318

Property, Plant and Equipment [Table Text Block]

	April 30, 2023			January 31, 2023
	(in thousands)
Property and equipment:
Furniture and fixtures	$	10,021		$	9,896
Autos and trucks		358			358
Land and buildings		4,767			4,880
Cost of property and equipment		15,146			15,134
Accumulated depreciation and amortization		(11,359	)		(11,189	)
Total property and equipment, net	$	3,787		$	3,945