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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (483)us-gaap_NetIncomeLoss $ (530)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss to net cash provided by operations:    
Depreciation and amortization 785us-gaap_DepreciationDepletionAndAmortization 686us-gaap_DepreciationDepletionAndAmortization
Provision for doubtful accounts 15us-gaap_ProvisionForDoubtfulAccounts 0us-gaap_ProvisionForDoubtfulAccounts
Share-based compensation 37us-gaap_ShareBasedCompensation 39us-gaap_ShareBasedCompensation
Amortization of original issue discount (OID) 8us-gaap_AmortizationOfDebtDiscountPremium 50us-gaap_AmortizationOfDebtDiscountPremium
Gain on settlement of note payable and litigation 0us-gaap_GainLossRelatedToLitigationSettlement (1,034)us-gaap_GainLossRelatedToLitigationSettlement
Loss on debt refinancing 0us-gaap_GainsLossesOnRestructuringOfDebt 1,402us-gaap_GainsLossesOnRestructuringOfDebt
Changes in operating assets and liabilities:    
Accounts receivable 401us-gaap_IncreaseDecreaseInAccountsReceivable (311)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventory (93)us-gaap_IncreaseDecreaseInInventories (2)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets (195)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets (17)us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Accounts payable 648us-gaap_IncreaseDecreaseInAccountsPayable 181us-gaap_IncreaseDecreaseInAccountsPayable
Accrued expenses and other long-term obligations (65)us-gaap_IncreaseDecreaseInAccruedLiabilities (286)us-gaap_IncreaseDecreaseInAccruedLiabilities
Deferred revenue (512)us-gaap_IncreaseDecreaseInDeferredRevenue (107)us-gaap_IncreaseDecreaseInDeferredRevenue
Net cash provided by operating activities 546us-gaap_NetCashProvidedByUsedInOperatingActivities 71us-gaap_NetCashProvidedByUsedInOperatingActivities
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (658)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment (168)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Disposals of property and equipment 26us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment 0us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Collection of note receivable 0us-gaap_ProceedsFromCollectionOfNotesReceivable 5us-gaap_ProceedsFromCollectionOfNotesReceivable
Net cash used in investing activities (632)us-gaap_NetCashProvidedByUsedInInvestingActivities (163)us-gaap_NetCashProvidedByUsedInInvestingActivities
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from notes payable 1,000us-gaap_ProceedsFromNotesPayable 15,000us-gaap_ProceedsFromNotesPayable
Payments on notes payable (887)us-gaap_RepaymentsOfNotesPayable (16,248)us-gaap_RepaymentsOfNotesPayable
Payments on amendment of senior notes payable (75)us-gaap_RepaymentsOfSeniorDebt (704)us-gaap_RepaymentsOfSeniorDebt
Debt financing fees 0us-gaap_PaymentsOfFinancingCosts (575)us-gaap_PaymentsOfFinancingCosts
Payments on capital leases (51)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations (32)us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Insurance proceeds for settlement of notes payable dispute, net of expenses 0us-gaap_ProceedsFromInsuranceSettlementInvestingActivities 373us-gaap_ProceedsFromInsuranceSettlementInvestingActivities
Net proceeds from exercise of stock options 42us-gaap_ProceedsFromStockOptionsExercised 21us-gaap_ProceedsFromStockOptionsExercised
Net cash provided by (used in) financing activities 29us-gaap_NetCashProvidedByUsedInFinancingActivities (2,165)us-gaap_NetCashProvidedByUsedInFinancingActivities
Effect of foreign exchange rates 11us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents (9)us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents
Net decrease in cash and cash equivalents (46)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease (2,266)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period 320us-gaap_CashAndCashEquivalentsAtCarryingValue 3,938us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period 274us-gaap_CashAndCashEquivalentsAtCarryingValue 1,672us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash paid for:    
Interest $ 197us-gaap_InterestPaid $ 484us-gaap_InterestPaid