Note 5 - Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands		Oct. 31, 2016	Jan. 31, 2016
Customer Relationships [Member]
Amortizable intangible assets
Amortizable intangible assets, gross	[1]	$ 2,754	$ 2,749
Trade Names [Member]
Amortizable intangible assets
Amortizable intangible assets, gross		515	515
Amortizable intangible assets, gross		3,269	3,264
Less: accumulated amortization		(2,688)	(2,191)
Net amortizable intangible assets		$ 581	$ 1,073

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