Note 1 - Summary of Business and Significant Accounting Policies - Changed in Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Property and Equipment, Gross, Beginning Balance	$ 64,925	$ 64,661
Property and Equipment, Gross, Additions	3,267	3,208
Property and Equipment, Gross, Disposals	(3,258)	(2,072)
Property and Equipment, Gross, Impact of Foreign Currency Translation	(292)	(872)
Property and Equipment, Gross, Ending Balance	64,642	64,925
Accumulated Depreciation, Beginning Balance	(32,845)	(31,507)
Depreciation	(4,326)	(3,968)
Accumulated Depreciation, Disposals	3,211	2,043
Accumulated Depreciation, Impact of Foreign Currency Translation	190	587
Accumulated Depreciation, Ending Balance	(33,770)	(32,845)
Property and Equipment, Net	$ 30,872	$ 32,080