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Summary of Significant Accounting Policies Fair Value of Financial Instruments (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Sep. 30, 2013
Mar. 31, 2013
Feb. 28, 2013
Assumption and methodology used to determine fair value        
Dividend yield (as a percent) 0.00%us-gaap_FairValueAssumptionsExpectedDividendRate      
Volatility (as a percent) 40.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate      
Risk-free rate (as a percent) 0.46%us-gaap_FairValueAssumptionsRiskFreeInterestRate      
Warrant [Member]        
Reconciliation of changes in the fair value of derivative financial instruments classified as liabilities        
Warrants issued     86us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
86us-gaap_ClassOfWarrantOrRightOutstanding
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= us-gaap_WarrantMember
Exercise price of warrants     $ 13.92us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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= us-gaap_WarrantMember
$ 13.92us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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Exercise price of warrants as a percentage of public offering share price     90.00%txtr_ClassOfWarrantOrRightExercisePriceOfWarrantsOfRightsAsPercentOfPublicOfferingSharePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= us-gaap_WarrantMember
90.00%txtr_ClassOfWarrantOrRightExercisePriceOfWarrantsOfRightsAsPercentOfPublicOfferingSharePrice
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= us-gaap_WarrantMember
Fair value of warrants     $ 454us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
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$ 435us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
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= us-gaap_WarrantMember
Warrant [Member] | Notes Payable, Other Payables [Member]        
Reconciliation of changes in the fair value of derivative financial instruments classified as liabilities        
Unsecured notes     6,750us-gaap_UnsecuredDebt
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6,750us-gaap_UnsecuredDebt
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Level 3 [Member] | Recurring [Member] | Derivative financial instruments [Member]        
Reconciliation of changes in the fair value of derivative financial instruments classified as liabilities        
Fair value of derivative financial instruments, beginning balance 153us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
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439us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
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Initial fair value recorded as debt discount 467us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
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0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
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Change in fair value included in earnings (181)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
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(439)us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
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Fair value of derivative financial instruments, ending balance 439us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
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$ 0us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
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