ACQUISITION OF NONCONTROLLING INTEREST (Details) (USD $)	12 Months Ended	1 Months Ended
Aug. 31, 2010	Aug. 31, 2010 Parent	May 31, 2010 Trinidad Subsidiary
Noncontrolling Interest [Line Items]
Purchased noncontrolling interest, percentage			5.00%
Purchase price of noncontrolling interest			$ (3,800,000)
Purchased noncontrolling interest, liability to be paid			(900,000)
Acquisition of 5% noncontrolling interest	$ (3,800,000)	$ (2,914,000)

The net amount recognized as of the acquisition date for the aggregate assets, including goodwill, in excess of or less than the aggregate liabilities assumed. This amount may also be viewed as the incremental amount of equity that the consolidated entity (including the portion attributable to the noncontrolling interest) will recognize as a result of the business combination.

No definition available.

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant