Property, Equipment and Improvements, Net (Detail) - Property, equipment and improvements, net (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8,446	$ 7,666
Less accumulated depreciation and amortization	(7,026)	(6,675)
Property, equipment and improvements, net	1,420	991
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	370	370
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8,009	7,178
Automobiles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 67	$ 118

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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