Note 1 - Summary of Business and Significant Accounting Policies - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Property and Equipment, Gross	$ 67,548	$ 68,794	$ 67,969
Less accumulated depreciation and amortization	(38,861)	(39,173)	$ (37,561)
Property and Equipment, Net	28,687	29,621
Building and Building Improvements [Member]
Property and Equipment, Gross	29,902	32,238
Computer Equipment and Software [Member]
Property and Equipment, Gross	18,345	17,671
Furniture and Office Equipment [Member]
Property and Equipment, Gross	8,004	7,672
Leasehold Improvements [Member]
Property and Equipment, Gross	7,382	7,309
Land [Member]
Property and Equipment, Gross	3,850	3,850
Automobiles [Member]
Property and Equipment, Gross	$ 65	$ 54

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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