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3. INTANGIBLE ASSETS (Detail)
3 Months Ended 5 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2009
Jun. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Finite-Lived Intangible Assets, Amortization Method       straight-line method    
Finite-Lived Intangible Asset, Useful Life 3 years 3 years 3 years 3 years 3 years 3 years