Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Jul. 31, 2011
Property and equipment
Total	$ 879	$ 1,032
Less: accumulated depreciation	(527)	(809)
Property and equipment, net	352	223
Leasehold improvements [Member]
Property and equipment
Total	65	65
Equipment [Member]
Property and equipment
Total	663	816
Furniture and fixtures [Member]
Property and equipment
Total	$ 151	$ 151

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

+ References+ Details

Gross amount 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.

+ References+ Details

- Definition

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.

+ References+ Details