Business information Geographic information (Tables)

12 Months Ended

Jan. 31, 2018

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Geographic information. Net sales attributed to a geographic area are based on the destination of the product shipment. Sales to foreign customers was 59.5% in 2017 compared to 57.0% in 2016. Long-lived assets are based on the physical location of the assets and consist of property, plant and equipment used in the generation of revenues in the geographic area.



(In thousands)	2017	2016
Net sales
United States	$42,648	$42,048
Canada	31,206	25,915
Middle East	26,322	28,009
India	1,317	2,360
Other	3,755	513
Total net sales	$105,248	$98,845

Property, plant and equipment, net of accumulated depreciation
United States	$11,307	$11,747
Canada	13,868	13,276
Middle East	9,119	10,987
India	215	265
Total	$34,509	$36,275