Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details 3)

v2.4.1.9
INCOME TAXES (Details 3) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Tax credit carryforward    
Research and development credits $ 31,735,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch $ 28,869,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsResearch
Domestic Country [Member] | Research [Member]    
Tax credit carryforward    
Amount of tax credit carryforward 21,500,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
/ us-gaap_TaxCreditCarryforwardAxis
= us-gaap_ResearchMember
 
State And Local Jurisdiction [Member] | Research [Member]    
Tax credit carryforward    
Amount of tax credit carryforward $ 22,000,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
/ us-gaap_TaxCreditCarryforwardAxis
= us-gaap_ResearchMember