Note 1 - Business Information (Tables)

12 Months Ended

Jan. 31, 2021

Notes Tables

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

(In thousands)	2020		2019
Net sales
United States	$	42,527	$	56,702
Canada		12,367		22,203
Middle East		23,662		26,505
Europe		118		17,462
India		1,942		4,180
Other		4,078		611
Total net sales	$	84,694	$	127,663
Property, plant and equipment, net of accumulated depreciation
United States	$	7,672	$	9,063
Canada		10,592		11,554
Middle East		7,854		7,815
India		779		197
Total property, plant and equipment, net of accumulated depreciation	$	26,897	$	28,629