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ASSET RETIREMENT OBLIGATIONS (Details) (USD $)	3 Months Ended
ASSET RETIREMENT OBLIGATIONS (Details) (USD $)	Mar. 31, 2013
Asset Retirement Obligations Roll forward
Asset retirement obligations at the beginning of the period	$ 11,029,206
Accretion expense	122,638
Liabilities incurred	2,667
Liabilities settled	(179,601)
Asset retirement obligations at the end of the period	$ 10,974,910

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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- Definition

Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.

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