Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v2.4.1.9
Income Taxes (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Line Items]      
Tax Credit Research Generated During Period $ 340,000ttnp_TaxCreditResearchGeneratedDuringPeriod    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 500,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 1,700,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 3,100,000us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Unrecognized Tax Benefits 0us-gaap_UnrecognizedTaxBenefits 0us-gaap_UnrecognizedTaxBenefits 0us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued 0us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate    
Stock Option Plan [Member]      
Income Tax Disclosure [Line Items]      
Operating Loss Carryforwards 12,400,000us-gaap_OperatingLossCarryforwards
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= ttnp_StockOptionPlanMember 		   
California Franchise Tax Board [Member]      
Income Tax Disclosure [Line Items]      
Operating Loss Carry Forwards Expiration Year 2034 years    
Operating Loss Carryforwards 154,700,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityNameAxis
= us-gaap_CaliforniaFranchiseTaxBoardMember 		   
Domestic Tax Authority [Member]      
Income Tax Disclosure [Line Items]      
Operating Loss Carry Forwards Expiration Year 2034 years    
Operating Loss Carryforwards 232,500,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember 		   
Domestic Tax Authority [Member] | Research Tax Credit Carryforward [Member]      
Income Tax Disclosure [Line Items]      
Operating Loss Carry Forwards Expiration Year 2034 years    
Tax Credit Carryforward, Amount 8,300,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember
/ us-gaap_TaxCreditCarryforwardAxis
= us-gaap_ResearchMember 		   
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]      
Income Tax Disclosure [Line Items]      
Tax Credit Carryforward, Amount $ 8,100,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_StateAndLocalJurisdictionMember
/ us-gaap_TaxCreditCarryforwardAxis
= us-gaap_ResearchMember