Note 1 - Business Information (Tables)

12 Months Ended

Jan. 31, 2022

Notes Tables

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

(In thousands)	2021		2020
Net sales
United States	$	46,770	$	42,527
Canada		28,302		12,367
Middle East/North Africa		51,543		23,662
Europe		194		118
India		11,101		1,942
Other		642		4,078
Total net sales	$	138,552	$	84,694
Property, plant and equipment, net of accumulated depreciation
United States	$	6,415	$	7,672
Canada		9,750		10,592
Middle East/North Africa		7,595		7,854
India		996		779
Total property, plant and equipment, net of accumulated depreciation	$	24,756	$	26,897