Property Plant and Equipment (Detail) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Land	$ 512,000	$ 512,000
Terminal and improvements	4,463,000	4,356,000
Automotive equipment	1,341,000	2,697,000
Property, Plant and Equipment, Gross, Total	6,316,000	7,565,000
Less: accumulated depreciation and amortization	(2,841,000)	(3,645,000)
Property, plant and equipment - net	$ 3,475,000	$ 3,920,000

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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