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BUSINESS ACQUISITION (Details) (USD $) | 12 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2012 Bluewater Gandria | Dec. 31, 2012 Bluewater Gandria | Jan. 18, 2012 Bluewater Gandria | Jul. 31, 2008 Bluewater Gandria | Dec. 31, 2011 Bluewater Gandria
Business acquisition: |  |  |  |  |
Percentage of voting interest acquired | 50.00% | 50.00% | 50.00% | 50.00% |
Purchase consideration - cash |  |  | $ 19,500,000 |  |
Previously held equity interest |  |  | 50.00% |  |
Revenue from acquisition | 0 |  |  |  |
Net loss from acquisition | 14,600,000 |  |  |  |
Pro forma revenue |  | 0 |  |  |
Pro forma net loss |  | 15,300,000 |  |  |
Equity method investment, net loss |  |  |  |  | $ 700,000

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