Annual report pursuant to Section 13 and 15(d)

SALE OF COMMON STOCK (Details Textual)

v2.4.1.9
SALE OF COMMON STOCK (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Aug. 31, 2013
Jan. 31, 2013
Securities Financing Transaction [Line Items]        
Payments of Stock Issuance Costs   $ 1,352us-gaap_PaymentsOfStockIssuanceCosts    
Proceeds from Issuance of Common Stock 47,836,000us-gaap_ProceedsFromIssuanceOfCommonStock 10,042,000us-gaap_ProceedsFromIssuanceOfCommonStock    
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 4.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 $ 4.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 $ 12.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Description Of Unit   Each Unit consisted of (i) one share of common stock and (ii) one Series A Warrant (the Warrants) to purchase one share of common stock.    
Description Of Option Granted Under Underwriting Agreement   the Company also granted the Underwriters an option for a period of 45 days to purchase up to (i) 402,000 additional Units or (ii) 402,000 additional shares of common stock and/or additional Warrants to purchase up to 402,000 shares of common stock, on the same terms, to cover over-allotments, if any.    
January 2014 Financing [Member]        
Securities Financing Transaction [Line Items]        
Stock Issued During Period, Shares, New Issues 2,898,550us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Share Price $ 15.00us-gaap_SharePrice
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Underwriters over allotment number of shares 434,782tnxp_UnderwritersOverAllotmentNumberOfShares
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Common Stock Issuance, Discount Amount 2,608,695tnxp_CommonStockIssuanceDiscountAmount
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Common Stock Issuance, Discount Price Per Share $ 0tnxp_CommonStockIssuanceDiscountPricePerShare
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Payments of Stock Issuance Costs 215,756us-gaap_PaymentsOfStockIssuanceCosts
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Proceeds from Issuance of Common Stock 40,653,799us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
July 2014 Financing [Member]        
Securities Financing Transaction [Line Items]        
Stock Issued During Period, Shares, New Issues 657,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_July2014FinancingMember
     
Share Price $ 11.90us-gaap_SharePrice
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_July2014FinancingMember
     
Payments of Stock Issuance Costs 600,000us-gaap_PaymentsOfStockIssuanceCosts
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_July2014FinancingMember
     
Proceeds from Issuance of Common Stock 7,182,670us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_July2014FinancingMember
     
August 2013 Financing [Member]        
Securities Financing Transaction [Line Items]        
Underwriters Exercised Overallotment Option To Purchase Additional Warrants   402,000tnxp_UnderwritersExercisedOverallotmentOptionToPurchaseAdditionalWarrants
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 4.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Warrants Granted Under Underwriting Agreement   107,200tnxp_WarrantsGrantedUnderUnderwritingAgreement
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Discount [Member]        
Securities Financing Transaction [Line Items]        
Stock Issued During Period Shares Warrants Exercised1   911,200tnxp_StockIssuedDuringPeriodSharesWarrantsExercised1
/ us-gaap_DebtConversionByUniqueDescriptionAxis
= tnxp_DiscountMember
   
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 0.34us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtConversionByUniqueDescriptionAxis
= tnxp_DiscountMember
   
Common Stock [Member]        
Securities Financing Transaction [Line Items]        
Stock Issued During Period Shares Warrants Exercised1   2,680,000tnxp_StockIssuedDuringPeriodSharesWarrantsExercised1
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
   
Placement Agents [Member] | January 2014 Financing [Member]        
Securities Financing Transaction [Line Items]        
Percentage Of Gross Proceeds Placement Agent Fee 6.00%tnxp_PercentageOfGrossProceedsPlacementAgentFee
/ tnxp_AgentsAxis
= tnxp_PlacementAgentsMember
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_January2012FinancingMember
     
Underwriters Warrants [Member] | August 2013 Financing [Member]        
Securities Financing Transaction [Line Items]        
Proceeds from Issuance of Common Stock   10,038,013us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_ClassOfWarrantOrRightAxis
= tnxp_UnderwritersWarrantsMember
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Underwriters Exercised Overallotment Option To Purchase Additional Warrants   4,020tnxp_UnderwritersExercisedOverallotmentOptionToPurchaseAdditionalWarrants
/ us-gaap_ClassOfWarrantOrRightAxis
= tnxp_UnderwritersWarrantsMember
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 4.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_ClassOfWarrantOrRightAxis
= tnxp_UnderwritersWarrantsMember
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember
   
Expense Related to Distribution or Servicing and Underwriting Fees   $ 440,787us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees
/ us-gaap_ClassOfWarrantOrRightAxis
= tnxp_UnderwritersWarrantsMember
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_August2013FinancingMember