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FAIR VALUE MEASUREMENTS (Details) (USD $)
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Jun. 30, 2014
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Mar. 31, 2008
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Jun. 30, 2014
Recurring [Member]
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Dec. 31, 2013
Recurring [Member]
|
Jun. 30, 2014
Recurring [Member]
Level 1 [Member]
|
Dec. 31, 2013
Recurring [Member]
Level 1 [Member]
|
Jun. 30, 2014
Recurring [Member]
Level 2 [Member]
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Dec. 31, 2013
Recurring [Member]
Level 2 [Member]
|
Jun. 30, 2014
Recurring [Member]
Level 3 [Member]
|
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
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|---|---|---|---|---|---|---|---|---|---|---|
| Liabilities [Abstract] | ||||||||||
| Interest rate swap | $ 466,000 | $ 563,000 | $ 0 | $ 0 | $ 466,000 | $ 563,000 | $ 0 | $ 0 | ||
| Commodity financial instruments | 48,000 | 48,000 | ||||||||
| Term loan secured by plant, pipeline and equipment | $ 14,000,000 | $ 10,000,000 |