Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY [Parenthetical]

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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY [Parenthetical] (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Issuance of common stock in exchange for exercise of warrants (in dollars per share) $ 4.25tnxp_StockIssuedDuringPeriodExercisePriceWarrantsExercised  
Issuance of common stock to acquire intellectual property rights from related party in March 2014 ($12.15 per share) (in dollars per share) $ 12.15tnxp_StockIssuedDuringPeriodExercisePriceAcquisitions  
Warrants Exercise Price   $ 8tnxp_WarrantsExercisePrice
Payments of Stock Issuance Costs   $ 1,352us-gaap_PaymentsOfStockIssuanceCosts
Warrants Exercise Price1   $ 4.25tnxp_WarrantsExercisePrice1
Warrants Exercised, Number of Warrants 48,240tnxp_WarrantsExercisedNumberOfWarrants 3,185tnxp_WarrantsExercisedNumberOfWarrants
Stock Issued in January 2014 [Member]    
Share Price $ 15us-gaap_SharePrice
/ tnxp_CommonStockIssuanceAxis
= tnxp_StockIssuedOneMember 		 
Payments of Stock Issuance Costs 2,824us-gaap_PaymentsOfStockIssuanceCosts
/ tnxp_CommonStockIssuanceAxis
= tnxp_StockIssuedOneMember 		 
Stock Issued in July 2014 [Member]    
Share Price $ 11.90us-gaap_SharePrice
/ tnxp_CommonStockIssuanceAxis
= tnxp_StockIssuedTwoMember 		 
Payments of Stock Issuance Costs $ 636us-gaap_PaymentsOfStockIssuanceCosts
/ tnxp_CommonStockIssuanceAxis
= tnxp_StockIssuedTwoMember