Note 6 - Debt - Maturities (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Debt, thereafter	$ 4,715
Finance lease obligations	1,094	$ 536
Finance lease obligations	416
Finance lease obligations	290	240
Finance lease obligations	247	82
Finance lease obligations	141	21
Finance lease obligations
Finance lease obligations
Total	16,930
Total, next twelve months	10,044
Total, year two	654
Total, year three	617
Total, year four	517
Total, year five	383
Mortgages [Member]
Debt	6,568
Debt, next twelve months	360
Debt, year two	364
Debt, year three	370
Debt, year four	376
Debt, year five	383
Debt, thereafter	4,715
Foreign Revolving Lines [Member]
Debt	691
Debt, next twelve months	691
Debt, year two
Debt, year three
Debt, year four
Debt, year five
Debt, thereafter
Revolving Lines, North America [Member]
Debt	8,577
Debt, next twelve months	8,577
Debt, year two
Debt, year three
Debt, year four
Debt, year five
Debt, thereafter