Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES (Details Textual)

v2.4.1.9
SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
12 Months Ended 2 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Feb. 28, 2015
Significant Accounting Policies [Line Items]      
Working Capital Amount $ 35,655,643tnxp_WorkingCapitalAmount    
Property, Plant and Equipment, Depreciation Methods straight-line method    
Stockholders' Equity, Reverse Stock Split 20-for-1    
Reverse Stock Split Effective Date May 01, 2013    
Proceeds from Issuance of Common Stock 47,836,000us-gaap_ProceedsFromIssuanceOfCommonStock 10,042,000us-gaap_ProceedsFromIssuanceOfCommonStock  
Common Stock [Member]      
Significant Accounting Policies [Line Items]      
Sale of Stock, Consideration Received on Transaction 47,836,469us-gaap_SaleOfStockConsiderationReceivedOnTransaction
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Direct Offering [Member]      
Significant Accounting Policies [Line Items]      
Sale of Stock, Consideration Received on Transaction 5,660,622us-gaap_SaleOfStockConsiderationReceivedOnTransaction
/ us-gaap_SubsidiarySaleOfStockAxis
= tnxp_DirectOfferingMember
   
Warrant [Member]      
Significant Accounting Policies [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,745,755us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
3,126,656us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
 
Equity Option [Member]      
Significant Accounting Policies [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,226,800us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
376,500us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
 
Subsequent Event [Member] | February 2015 Financing Total [Member]      
Significant Accounting Policies [Line Items]      
Proceeds from Issuance of Common Stock     $ 29,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_StatementEquityComponentsAxis
= tnxp_February2015FinancingTotalMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Computer Equipment [Member]      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives three years    
Furniture and Fixtures [Member]      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Estimated Useful Lives five years