Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details

DERIVATIVE INSTRUMENTS (Details)

v3.3.0.814

DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
DERIVATIVE INSTRUMENTS [Abstract]
Feedstock and natural gas usage to operating expenses			70.00%	81.60%
Monthly feedstock requirements hedged, Maximum	40.00%		40.00%
Derivatives, Fair Value [Line Items]
Unrealized gain (loss)			$ 332	$ 48
Fair value of financial contracts - liability	$ 0		$ 0		$ 180
Realized and unrealized gains/(losses) as a percentage of cost of sales and processing	0.00%	0.00%	0.00%	0.00%
Interest expense reclassified from other comprehensive loss	$ 0	$ (60)	$ 0	$ (190)
Unrealized gain (loss)	(3)		6
Realized loss	46		147
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Term loan in pay fixed, receive variable interest rate swap	10,000		10,000
Term loan secured by plant, pipeline and equipment	14,000		14,000
Notional amount	$ 3,000		$ 3,000		3,750
Derivative, variable interest rate	5.83%		5.83%
Cumulative loss			$ 0	(382)
Deferred tax benefit			0	134
Net cumulative loss			0	(248)
Fair value of interest rate swap - liability	$ 227		227		$ 378
Interest Rate Swaps [Member] \| Qualifying Cash Flow Hedges [Member] \| Reclassification [Member]
Derivatives, Fair Value [Line Items]
Interest expense reclassified from other comprehensive loss			0	190
Not Designated as Hedging Instrument [Member] \| Commodity Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Unrealized gain (loss)	0	0	180	(48)
Realized gain (loss)	0	0	(180)	87
Net gain	$ 0	$ 0	$ 0	$ 39

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Feedstock and natural gas usage as a percentage of operating expenses for the period.

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The maximum monthly feedstock requirements hedged under the risk management policy.

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- Definition

The realized and unrealized gains (losses) as a percentage of cost of sales and processing.

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The carrying amount of the loan in a pay fixed, receive variable interest rate swap agreement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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The portion of losses on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

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The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

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Fair value of financial and nonfinancial obligations.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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