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STOCK OPTIONS (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Number of Options [Rollforward]    
Balance at beginning of period (in shares) 685,984us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Granted (in shares) 12,350us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross 199,080us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Forfeited (in shares) (6,141)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod  
Expired (in shares) (46,399)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod  
Balance at end of period (in shares) 645,794us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber  
Exercisable at end of period (in shares) 308,870us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber  
Weighted Average Exercise Price [Roll Forward]    
Balance at beginning of period (in dollars per share) $ 6.56us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice  
Granted (in dollars per share) $ 2.01us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice  
Forfeited (in dollars per share) $ 5.25us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice  
Expired (in dollars per share) $ 10.20us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice  
Balance at end of period (in dollars per share) $ 6.22us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice  
Exercisable at end of period (in dollars per share) $ 7.83us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice  
Stock options, expected to vest, outstanding (in shares) 604,285us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber  
Stock options, expected to vest, outstanding, aggregate intrinsic value $ 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue  
Equity Incentive Plan 2006    
Number of Options [Rollforward]    
Granted (in shares) 12,350us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= tbio_EquityIncentivePlan2006Member
 
Weighted Average Exercise Price [Roll Forward]    
Granted (in dollars per share) $ 2.01us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
/ us-gaap_PlanNameAxis
= tbio_EquityIncentivePlan2006Member