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STOCKHOLDERS' EQUITY (Details 3) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense associated with restricted stock $ 5,357,028us-gaap_RestrictedStockExpense $ 4,231,438us-gaap_RestrictedStockExpense
Stock-based compensation expense associated with option grants 0us-gaap_StockOptionPlanExpense 0us-gaap_StockOptionPlanExpense
Stock compensation expense $ 5,357,028us-gaap_ShareBasedCompensation $ 4,231,438us-gaap_ShareBasedCompensation