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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data, unless otherwise specified
Total
Series B Preferred Stock
Preferred Stock
Preferred Stock
Series B Preferred Stock
Common Stock
Additional Paid-in Capital
Additional Paid-in Capital
Series B Preferred Stock
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2011 $ 11,048us-gaap_StockholdersEquity   $ 26us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   $ 46us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] $ 153,442us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]   $ (142,802)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 $ 336us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Balance, shares at Dec. 31, 2011     2,586,205us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   4,135,478us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1]        
Increase (Decrease) in Stockholders' Equity                  
Net loss (8,327)us-gaap_NetIncomeLoss             (8,327)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Foreign currency translation adjustment 99us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax               99us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Non-cash stock-based compensation 731us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue         731us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Issuance of shares of common stock, shares [1]         1,667us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		        
Issuance of shares of common stock 10us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised       0us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 10us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Private placement, net, shares [1]         1,833,333us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		        
Stock issued during period 17,373us-gaap_StockIssuedDuringPeriodValueNewIssues       18us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 17,355us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Dividends on preferred stock (660)us-gaap_DividendsPreferredStockCash             (660)us-gaap_DividendsPreferredStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Balance at Dec. 31, 2012 20,274us-gaap_StockholdersEquity   26us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   64us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 171,538us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]   (151,789)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 435us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Balance, shares at Dec. 31, 2012     2,586,205us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   5,970,478us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1]        
Increase (Decrease) in Stockholders' Equity                  
Net loss (15,987)us-gaap_NetIncomeLoss             (15,987)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Foreign currency translation adjustment (45)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax               (45)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Non-cash stock-based compensation 360us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue         360us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Private placement, net, shares [1]         1,383,217us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		        
Stock issued during period 7,570us-gaap_StockIssuedDuringPeriodValueNewIssues       14us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 7,556us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Dividends on preferred stock (726)us-gaap_DividendsPreferredStockCash             (726)us-gaap_DividendsPreferredStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Other 0us-gaap_StockholdersEquityOther       (5)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 5us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Balance at Dec. 31, 2013 11,446us-gaap_StockholdersEquity   26us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   73us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 179,459us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]   (168,502)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 390us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Balance, shares at Dec. 31, 2013     2,586,205us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   7,353,695us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1]        
Increase (Decrease) in Stockholders' Equity                  
Net loss (13,942)us-gaap_NetIncomeLoss             (13,942)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Foreign currency translation adjustment (50)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax               (50)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Non-cash stock-based compensation 977us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue         977us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]      
Private placement, net, shares [1]         730,776us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		        
Stock issued during period 2,361us-gaap_StockIssuedDuringPeriodValueNewIssues 6,905us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember		   14us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		 8us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] 2,353us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1] 6,891us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]    
Dividends on preferred stock (1,144)us-gaap_DividendsPreferredStockCash             (1,144)us-gaap_DividendsPreferredStockCash
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		  
Preferred stock agreement, shares       1,443,297tbio_PreferredStockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		          
Balance at Dec. 31, 2014 $ 6,553us-gaap_StockholdersEquity   $ 40us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   $ 81us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1] $ 189,680us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 [1]   $ (183,588)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember		 $ 340us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
Balance, shares at Dec. 31, 2014     4,029,502us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_PreferredStockMember		   8,084,471us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember		 [1]        
[1] The common stock shares and additional paid-in capital for all periods presented reflect the one-for-twelve reverse stock split which took effect on January 27, 2014.