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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The amount of expense recognized in the current period that reflects the allocation of the costs of intangible assets over the expected benefit period of such assets. This element applies only to intangible assets used in the production of goods.

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- Definition

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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PLANT, PIPELINE AND EQUIPMENT (Details) (USD $)	12 Months Ended
PLANT, PIPELINE AND EQUIPMENT (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2008
Property, Plant and Equipment [Line Items]
Total plant, pipeline and equipment	$ 75,128,000	$ 68,482,000
Less accumulated depreciation	(33,203,000)	(28,062,000)
PLANT, PIPELINE, AND EQUIPMENT, NET (Note 7)	41,925,000	40,420,000
Term loan secured by plant, pipeline and equipment	14,000,000			10,000,000
Amortization relating to the platinum catalyst	38,232	19,268	12,736
Platinum catalyst [Member]
Property, Plant and Equipment [Line Items]
Total plant, pipeline and equipment	1,612,000	1,612,000
Land [Member]
Property, Plant and Equipment [Line Items]
Total plant, pipeline and equipment	1,577,000	1,577,000
Plant, pipeline and equipment [Member]
Property, Plant and Equipment [Line Items]
Total plant, pipeline and equipment	71,115,000	64,356,000
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Total plant, pipeline and equipment	$ 824,000	$ 937,000