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Income Taxes - Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Federal Income Taxes 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State Income Taxes 2.81%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 2.18%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Permanent Items (2.29%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther (9.60%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther
Current Year Losses not utilized (61.04%)ifit_CurrentYearLossesNotUtilized (27.90%)ifit_CurrentYearLossesNotUtilized
Effective Income Tax Rate Reconciliation 25.51%us-gaap_EffectiveIncomeTaxRateContinuingOperations 0.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations