Note 1 - Business Information (Tables)

12 Months Ended

Jan. 31, 2020

Notes Tables

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

(In thousands)	2019		2018
Net sales
United States	$	56,702	$	50,319
Canada		22,203		34,789
Middle East		26,505		35,117
Europe		17,462		1,029
India		4,180		3,755
Other		611		3,956
Total net sales	$	127,663	$	128,965
Property, plant and equipment, net of accumulated depreciation
United States	$	9,063	$	10,279
Canada		11,554		11,862
Middle East		7,815		8,103
India		197		154
Total	$	28,629	$	30,398