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Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2013	Jul. 31, 2012
Property and equipment, net by geographic region
Total	$ 12,348	$ 11,924
North America [Member]
Property and equipment, net by geographic region
Total	10,731	11,522
Europe [Member]
Property and equipment, net by geographic region
Total	1,276	388
Asia Pacific [Member]
Property and equipment, net by geographic region
Total	$ 341	$ 14

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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