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SHARE BASED COMPENSATION (Details Textual) (USD $)
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3 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |
7,143us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
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| Allocated Share-based Compensation Expense |
$ 1,300,000us-gaap_AllocatedShareBasedCompensationExpense
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$ 600,000us-gaap_AllocatedShareBasedCompensationExpense
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
$ 6.24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
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| Employee-related Liabilities |
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70,000us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent
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| Non Employee Directors [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Stock Issued During Period, Shares, Issued for Services |
42,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
/ tnxp_ThirdPartyAxis
= tnxp_NonEmployeeDirectorsMember
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| Employees / Directors [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |
419,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= tnxp_EmployeesDirectorsMember
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| Consultants [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |
30,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_TitleOfIndividualAxis
= tnxp_ConsultantsMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
$ 5.42us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_TitleOfIndividualAxis
= tnxp_ConsultantsMember
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| Seth Lederman [Member] | Common Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
$ 4.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_TitleOfIndividualAxis
= tnxp_SethLedermanMember
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| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
$ 5.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_TitleOfIndividualAxis
= tnxp_SethLedermanMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
10 years
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| 2014 Incentive Stock Plan[Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
1,800,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |
10 years
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| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
$ 4.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
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| Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
$ 5.95us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_AwardTypeAxis
= tnxp_PlanMember
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| Other than Stock Option [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= tnxp_OtherThanStockOptionMember
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| 2014 ESPP [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |
300,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |
22,063us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
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| Stock Issued During Period, Shares, Employee Stock Purchase Plans |
13,978us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
/ us-gaap_AwardTypeAxis
= tnxp_EsppMember
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| Restricted Stock [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross |
42,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |
21,480us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
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0us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
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| Unamortised Stock Based Compensation |
200,000tnxp_UnamortisedStockBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
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| Share Based Compensation Remaining Unamortised Period |
11 months
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| Incentive Stock Options Plan 2012 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |
200,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2012Member
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| Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award |
the exercise price of an incentive stock option may not be less than 110% of fair value of the common stock at the date of the grant for a 10% or more shareholder and 100% of fair value for a grantee who is not a 10% shareholder.
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| Common Stock, Capital Shares Reserved for Future Issuance |
200,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2012Member
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| Incentive Stock Options Plan 2014 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized |
7,100,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2014Member
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| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition |
2 years 3 months 22 days
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| Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award |
the exercise price of an incentive stock option may not be less than 110% of fair value of the common stock at the date of the grant for a 10% or more shareholder and 100% of fair value for a grantee who is not a 10% shareholder.
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| Common Stock, Capital Shares Reserved for Future Issuance |
1,800,000us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_IncentiveStockOptionsPlan2014Member
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights |
Stock options granted pursuant to the Plans vest 1/3rd 12 months from the date of grant and 1/36th each month thereafter for 24 months and expire ten years
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| Share-based Compensation Arrangement by Share-based Payment Award, Method of Measuring Cost of Award |
straight-line method
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| Employee Stock Purchase Plan 2014 [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent |
85.00%us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member
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| Common Stock, Capital Shares Reserved for Future Issuance |
286,022us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member
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| Accrued Employee Benefits |
$ 46,000us-gaap_AccruedEmployeeBenefitsCurrentAndNoncurrent
/ us-gaap_PlanNameAxis
= tnxp_EmployeeStockPurchasePlan2014Member
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