Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Summary of property and equipment [Abstract]
Total property and equipment, at cost	$ 3,759	$ 3,513
Accumulated depreciation and amortization	(3,218)	(3,104)
Property and equipment, net	538	409
Computer software [Member]
Summary of property and equipment [Abstract]
Total property and equipment, at cost	1,447	1,447
Office equipment, furniture and fixtures [Member]
Summary of property and equipment [Abstract]
Total property and equipment, at cost	$ 2,309	$ 2,066

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.

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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.

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- 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.

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