Note 5 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands		Oct. 31, 2017	Jan. 31, 2017
Amortizable intangible assets
Amortizable intangible assets, gross		$ 1,683	$ 3,236
Less: accumulated amortization		(1,627)	(2,821)
Total		56	415
Customer Relationships [Member]
Amortizable intangible assets
Amortizable intangible assets, gross	[1]	1,500	2,721
Trade Names [Member]
Amortizable intangible assets
Amortizable intangible assets, gross		$ 183	$ 515

[1] Customer relationships include the impact of foreign currency translation.