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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Allowance for Credit Losses) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]      
Balance at beginning of the year $ 342,442us-gaap_AllowanceForDoubtfulAccountsReceivable $ 5,626us-gaap_AllowanceForDoubtfulAccountsReceivable $ 222,007us-gaap_AllowanceForDoubtfulAccountsReceivable
Charged to expense 316,966us-gaap_ProvisionForDoubtfulAccounts 342,442us-gaap_ProvisionForDoubtfulAccounts 5,626us-gaap_ProvisionForDoubtfulAccounts
Written-off (342,442)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs (5,626)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs (222,007)us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Balance at end of the year $ 316,966us-gaap_AllowanceForDoubtfulAccountsReceivable $ 342,442us-gaap_AllowanceForDoubtfulAccountsReceivable $ 5,626us-gaap_AllowanceForDoubtfulAccountsReceivable