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INCOME TAXES (Details 3) (Research and development, USD $) | Dec. 31, 2014
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Domestic federal |
Tax credit carryforwards |
Tax credit carryforwards | $ 14,900,000us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_InternalRevenueServiceIRSMember / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember
State |
Tax credit carryforwards |
Tax credit carryforwards | $ 13,000,000us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember / us-gaap_TaxCreditCarryforwardAxis = us-gaap_ResearchMember

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