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Segments (Details 1) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Jan. 31, 2012
Summary of property and equipment
Total	$ 4,314	$ 4,879
United States of America [Member]
Summary of property and equipment
Total	2,501	2,909
Europe, Asia and South America [Member]
Summary of property and equipment
Total	$ 1,813	$ 1,970

Amount, net of accumulated depreciation, depletion and amortization, of long-lived 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, furniture and fixtures, and computer equipment.

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