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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
CURRENT ASSETS:    
Cash and cash equivalents $ 1,609us-gaap_CashAndCashEquivalentsAtCarryingValue $ 1,626us-gaap_CashAndCashEquivalentsAtCarryingValue
Accounts receivable (net of allowances for doubtful accounts of $7,947 and $3,838, respectively) 7,627us-gaap_AccountsReceivableNetCurrent 5,314us-gaap_AccountsReceivableNetCurrent
Inventories (net of allowances of $628 and $799, respectively) 3,005us-gaap_InventoryNet 3,957us-gaap_InventoryNet
Other current assets 1,191us-gaap_OtherAssetsCurrent 938us-gaap_OtherAssetsCurrent
Total current assets 13,432us-gaap_AssetsCurrent 11,835us-gaap_AssetsCurrent
PROPERTY AND EQUIPMENT:    
Equipment 11,369us-gaap_MachineryAndEquipmentGross 11,255us-gaap_MachineryAndEquipmentGross
Furniture, fixtures & leasehold improvements 3,877tbio_FurnitureFixturesAndLeaseholdImprovementsGross 3,874tbio_FurnitureFixturesAndLeaseholdImprovementsGross
Property, plant and equipment, gross 15,246us-gaap_PropertyPlantAndEquipmentGross 15,129us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation (13,764)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (13,126)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, plant and equipment, net 1,482us-gaap_PropertyPlantAndEquipmentNet 2,003us-gaap_PropertyPlantAndEquipmentNet
OTHER ASSETS:    
Goodwill 6,918us-gaap_Goodwill 6,918us-gaap_Goodwill
Intangibles (net of accumulated amortization of $5,970 and $4,598, respectively) 7,964us-gaap_IntangibleAssetsNetExcludingGoodwill 9,195us-gaap_IntangibleAssetsNetExcludingGoodwill
Other assets 210us-gaap_OtherAssetsNoncurrent 327us-gaap_OtherAssetsNoncurrent
Assets 30,006us-gaap_Assets 30,278us-gaap_Assets
CURRENT LIABILITIES:    
Current maturities of long term debt 462us-gaap_LongTermDebtCurrent 242us-gaap_LongTermDebtCurrent
Accounts payable 4,871us-gaap_AccountsPayableCurrent 2,860us-gaap_AccountsPayableCurrent
Accrued compensation 1,129us-gaap_EmployeeRelatedLiabilitiesCurrent 1,330us-gaap_EmployeeRelatedLiabilitiesCurrent
Accrued expenses 2,550us-gaap_AccruedLiabilitiesCurrent 2,037us-gaap_AccruedLiabilitiesCurrent
Deferred revenue 1,035us-gaap_DeferredRevenueCurrent 1,088us-gaap_DeferredRevenueCurrent
Other current liabilities 1,068us-gaap_OtherLiabilitiesCurrent 1,068us-gaap_OtherLiabilitiesCurrent
Total current liabilities 11,115us-gaap_LiabilitiesCurrent 8,625us-gaap_LiabilitiesCurrent
LONG TERM LIABILITIES:    
Long term debt less current maturities 7,375us-gaap_LongTermDebtNoncurrent 6,318us-gaap_LongTermDebtNoncurrent
Common stock warrant liability 145us-gaap_WarrantsAndRightsOutstanding 600us-gaap_WarrantsAndRightsOutstanding
Other long-term liabilities 1,688us-gaap_OtherLiabilitiesNoncurrent 1,303us-gaap_OtherLiabilitiesNoncurrent
Accrued preferred stock dividend 3,130us-gaap_DividendsPayableCurrentAndNoncurrent 1,986us-gaap_DividendsPayableCurrentAndNoncurrent
Total liabilities 23,453us-gaap_Liabilities 18,832us-gaap_Liabilities
STOCKHOLDERS’ EQUITY:    
Preferred stock, $.01 par value, 15,000,000 shares authorized, 4,029,502 and 2,586,205 shares issued and outstanding, respectively 40us-gaap_PreferredStockValue 26us-gaap_PreferredStockValue
Common stock, $.01 par value, 150,000,000 shares authorized, 8,084,471 and 7,353,695 shares issued and outstanding, respectively 81us-gaap_CommonStockValue [1] 73us-gaap_CommonStockValue [1]
Additional paid-in capital 189,680us-gaap_AdditionalPaidInCapital [1] 179,459us-gaap_AdditionalPaidInCapital [1]
Accumulated other comprehensive income 340us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 390us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
Accumulated deficit (183,588)us-gaap_RetainedEarningsAccumulatedDeficit (168,502)us-gaap_RetainedEarningsAccumulatedDeficit
Total stockholders’ equity 6,553us-gaap_StockholdersEquity 11,446us-gaap_StockholdersEquity
Liabilities and equity $ 30,006us-gaap_LiabilitiesAndStockholdersEquity $ 30,278us-gaap_LiabilitiesAndStockholdersEquity
[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.