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CASH AND CASH EQUIVALENTS (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
CASH AND CASH EQUIVALENTS [Abstract]      
Cash $ 756,691us-gaap_Cash $ 498,249us-gaap_Cash  
Money market funds 6,772,777us-gaap_CashEquivalentsAtCarryingValue 6,151,183us-gaap_CashEquivalentsAtCarryingValue  
Cash and cash equivalents $ 7,529,468us-gaap_CashAndCashEquivalentsAtCarryingValue $ 6,649,432us-gaap_CashAndCashEquivalentsAtCarryingValue $ 6,422,458us-gaap_CashAndCashEquivalentsAtCarryingValue