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CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
NET REVENUE    
Net revenue$ 37,761,975$ 44,758,294$ 134,441,319$ 121,203,521
OPERATING EXPENSES/INCOME    
Cost of net revenue(23,823,944)(23,002,703)(69,410,031)(62,709,174)
Sales, marketing and other operating expenses(20,116)(18,789)(67,861)(115,174)
Research and development cost(33,565)(891,509)(347,421)(1,612,862)
Exploration costs(1,047,110) (4,914,396) 
Write-off / Impairment on property, plant and equipment  (7,570,566) 
General and administrative expenses(5,459,069)(1,003,129)(11,515,054)(3,991,515)
Other operating income1,368,07466,5551,783,15788,553
Costs and Expenses(29,015,730)(24,849,575)(92,042,172)(68,340,172)
INCOME FROM OPERATIONS8,746,24519,908,71942,399,14752,863,349
OTHER INCOME (EXPENSE)    
Interest expense(51,994)(394)(159,950)(620)
Interest income69,64167,083198,416180,667
INCOME BEFORE TAXES8,763,89219,975,40842,437,61353,043,396
INCOME TAXES(3,179,546)(5,110,306)(12,465,013)(13,759,713)
NET INCOME5,584,34614,865,10229,972,60039,283,683
COMPREHENSIVE INCOME:    
Net income5,584,34614,865,10229,972,60039,283,683
OTHER COMPREHENSIVE INCOME    
- Foreign currency translation adjustments4,168,6442,818,7669,006,4453,481,428
COMPREHENSIVE INCOME$ 9,752,990$ 17,683,868$ 38,979,045$ 42,765,111
EARNINGS PER SHARE:    
BASIC$ 0.16$ 0.43$ 0.86$ 1.14
DILUTED$ 0.16$ 0.43$ 0.86$ 1.13
WEIGHTED AVERAGE NUMBER OF SHARES:    
BASIC34,620,00434,640,00734,694,60734,596,825
DILUTED34,620,00434,742,32734,695,66434,744,914