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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Statement [Abstract] |  |  |  |  |  |
NET SALES | $ 27,083 us-gaap_SalesRevenueNet |  | $ 27,544 us-gaap_SalesRevenueNet |  | $ 31,480 us-gaap_SalesRevenueNet |
COST OF GOODS SOLD | 17,362 us-gaap_CostOfGoodsAndServicesSold |  | 16,790 us-gaap_CostOfGoodsAndServicesSold |  | 18,348 us-gaap_CostOfGoodsAndServicesSold |
Gross profit | 9,721 us-gaap_GrossProfit |  | 10,754 us-gaap_GrossProfit |  | 13,132 us-gaap_GrossProfit |
OPERATING EXPENSES: |  |  |  |  |  |
Selling, general and administrative | 24,146 us-gaap_SellingGeneralAndAdministrativeExpense |  | 23,301 us-gaap_SellingGeneralAndAdministrativeExpense |  | 20,145 us-gaap_SellingGeneralAndAdministrativeExpense |
Research and development | 2,897 us-gaap_ResearchAndDevelopmentExpense |  | 3,212 us-gaap_ResearchAndDevelopmentExpense |  | 2,491 us-gaap_ResearchAndDevelopmentExpense |
Operating Expenses | 27,043 us-gaap_OperatingExpenses |  | 26,513 us-gaap_OperatingExpenses |  | 22,636 us-gaap_OperatingExpenses |
LOSS FROM OPERATIONS | (17,322)us-gaap_OperatingIncomeLoss |  | (15,759)us-gaap_OperatingIncomeLoss |  | (9,504)us-gaap_OperatingIncomeLoss |
OTHER INCOME (EXPENSE): |  |  |  |  |  |
Interest expense, net | (665)tbio_InterestIncomeAndExpenseNet |  | (642)tbio_InterestIncomeAndExpenseNet |  | (888)tbio_InterestIncomeAndExpenseNet |
Warrant revaluation | 455 tbio_StockWarrantsRevaluation |  | 300 tbio_StockWarrantsRevaluation |  | 2,200 tbio_StockWarrantsRevaluation |
Gain on sale of product line | 4,114 us-gaap_GainLossOnSaleOfBusiness |  | 0 us-gaap_GainLossOnSaleOfBusiness |  | 0 us-gaap_GainLossOnSaleOfBusiness |
Other, net | 0 us-gaap_OtherNonoperatingIncomeExpense |  | 60 us-gaap_OtherNonoperatingIncomeExpense |  | 11 us-gaap_OtherNonoperatingIncomeExpense |
Other Income (Expense) | 3,904 tbio_OtherIncomeExpense |  | (282)tbio_OtherIncomeExpense |  | 1,323 tbio_OtherIncomeExpense |
LOSS BEFORE INCOME TAXES | (13,418)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |  | (16,041)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |  | (8,181)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
INCOME TAX EXPENSE (BENEFIT) | 524 us-gaap_IncomeTaxExpenseBenefit |  | (54)us-gaap_IncomeTaxExpenseBenefit |  | 146 us-gaap_IncomeTaxExpenseBenefit |
NET LOSS | (13,942)us-gaap_NetIncomeLoss |  | (15,987)us-gaap_NetIncomeLoss |  | (8,327)us-gaap_NetIncomeLoss |
PREFERRED STOCK DIVIDENDS AND ACCRETION | (1,144)us-gaap_PreferredStockDividendsAndOtherAdjustments |  | (726)us-gaap_PreferredStockDividendsAndOtherAdjustments |  | (660)us-gaap_PreferredStockDividendsAndOtherAdjustments |
NET LOSS AVAILABLE TO COMMON STOCKHOLDERS | $ (15,086)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | $ (16,713)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | $ (8,987)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
BASIC AND DILUTED LOSS PER COMMON SHARE (IN USD PER SHARE) | $ (2.01)us-gaap_EarningsPerShareBasicAndDiluted | [1] | $ (2.30)us-gaap_EarningsPerShareBasicAndDiluted | [1] | $ (1.55)us-gaap_EarningsPerShareBasicAndDiluted | [1]
BASIC AND DILUTED WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING | 7,493,844 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | [1] | 7,266,642 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | [1] | 5,794,785 us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted | [1]
[1] | Net loss per share and the number of shares used in the per share calculations for all periods presented reflect the one-for-twelve reverse stock split which took effect on January 27, 2014.

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