PLANT, PIPELINE AND EQUIPMENT (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Dec. 31, 2012
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Mar. 31, 2008
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Property, Plant and Equipment [Line Items] | ||||||
Total plant, pipeline and equipment | $ 71,620,000 | $ 71,620,000 | $ 68,482,000 | |||
Less accumulated depreciation | (30,521,000) | (30,521,000) | (28,062,000) | |||
Net plant, pipeline and equipment | 41,099,000 | 41,099,000 | 40,420,000 | |||
Term loan secured by plant, pipeline and equipment | 14,000,000 | 14,000,000 | 10,000,000 | |||
Amortization relating to the platinum catalyst | 3,184 | 6,368 | 3,184 | 6,368 | ||
Platinum catalyst [Member]
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Property, Plant and Equipment [Line Items] | ||||||
Total plant, pipeline and equipment | 1,612,000 | 1,612,000 | 1,612,000 | |||
Land [Member]
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Property, Plant and Equipment [Line Items] | ||||||
Total plant, pipeline and equipment | 1,577,000 | 1,577,000 | 1,577,000 | |||
Plant, pipeline and equipment [Member]
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Property, Plant and Equipment [Line Items] | ||||||
Total plant, pipeline and equipment | 65,809,000 | 65,809,000 | 64,356,000 | |||
Construction in progress [Member]
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Property, Plant and Equipment [Line Items] | ||||||
Total plant, pipeline and equipment | $ 2,622,000 | $ 2,622,000 | $ 937,000 |