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Income Taxes (Details) (USD $)
3 Months Ended 12 Months Ended
Oct. 31, 2013
Jul. 31, 2013
Apr. 30, 2013
Oct. 31, 2014
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Current (expense) benefit [Abstract]              
Federal       $ (1,864,570)us-gaap_CurrentFederalTaxExpenseBenefit $ 1,565,286us-gaap_CurrentFederalTaxExpenseBenefit $ 866,679us-gaap_CurrentFederalTaxExpenseBenefit  
State       (416,620)us-gaap_CurrentStateAndLocalTaxExpenseBenefit 434,027us-gaap_CurrentStateAndLocalTaxExpenseBenefit 131,576us-gaap_CurrentStateAndLocalTaxExpenseBenefit  
Deferred benefit (expense)       2,281,190us-gaap_DeferredFederalIncomeTaxExpenseBenefit (1,894,167)us-gaap_DeferredFederalIncomeTaxExpenseBenefit (12,725,350)us-gaap_DeferredFederalIncomeTaxExpenseBenefit  
Income tax benefit (expense) continuing operations       0us-gaap_IncomeTaxExpenseBenefit 105,146us-gaap_IncomeTaxExpenseBenefit (11,727,095)us-gaap_IncomeTaxExpenseBenefit  
Intra-period tax allocation benefit (expense) - discontinued operations       0us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation (105,146)us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation 0us-gaap_IncomeTaxExpenseBenefitIntraperiodTaxAllocation  
Total income tax benefit (expense)       0chmp_IncomeTaxExpenseBenefitContinuingAndDiscontinuing 0chmp_IncomeTaxExpenseBenefitContinuingAndDiscontinuing (11,727,095)chmp_IncomeTaxExpenseBenefitContinuingAndDiscontinuing  
Deferred tax assets [Abstract]              
Allowance for doubtful accounts 373,477us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts     238,975us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts 373,477us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts    
Net operating loss carry forward 3,590,643us-gaap_DeferredTaxAssetsOperatingLossCarryforwards     1,656,051us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 3,590,643us-gaap_DeferredTaxAssetsOperatingLossCarryforwards    
Accrued vacation 187,322us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences     174,543us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences 187,322us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences    
Accrued Bonuses 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses     23,507us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses 0us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses    
Other accrued assets 0chmp_DeferredTaxAssetsOtherAccruedAssets     186,240chmp_DeferredTaxAssetsOtherAccruedAssets 0chmp_DeferredTaxAssetsOtherAccruedAssets    
Other accrued liabilities 222,316us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther     122,586us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther 222,316us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther    
Intangible assets 885,775us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets     0us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets 885,775us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets    
Gross deferred tax assets 5,259,533us-gaap_DeferredTaxAssetsGross     2,401,902us-gaap_DeferredTaxAssetsGross 5,259,533us-gaap_DeferredTaxAssetsGross    
Deferred tax liabilities [Abstract]              
Accounts receivable insolvency attribute (1,612,376)us-gaap_DeferredTaxLiabilitiesFinancingArrangements     0us-gaap_DeferredTaxLiabilitiesFinancingArrangements (1,612,376)us-gaap_DeferredTaxLiabilitiesFinancingArrangements    
Property and equipment (1,643,717)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment     (1,336,905)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (1,643,717)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment    
Deferred Tax Liabilities, Intangible Assets 0us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets     (507,009)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets 0us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets    
Gross deferred tax liability (3,256,093)us-gaap_DeferredIncomeTaxLiabilities     (1,843,914)us-gaap_DeferredIncomeTaxLiabilities (3,256,093)us-gaap_DeferredIncomeTaxLiabilities    
Net deferred tax asset before valuation allowance 2,003,440chmp_NetDeferredTaxAssetBeforeValuationAllowance     557,988chmp_NetDeferredTaxAssetBeforeValuationAllowance 2,003,440chmp_NetDeferredTaxAssetBeforeValuationAllowance    
Valuation allowance [Abstract]              
Beginning balance       2,003,440us-gaap_DeferredTaxAssetsValuationAllowance 16,553,520us-gaap_DeferredTaxAssetsValuationAllowance    
Change during the period       (1,445,452)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount (14,550,080)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount    
Ending balance 2,003,440us-gaap_DeferredTaxAssetsValuationAllowance     557,988us-gaap_DeferredTaxAssetsValuationAllowance 2,003,440us-gaap_DeferredTaxAssetsValuationAllowance 16,553,520us-gaap_DeferredTaxAssetsValuationAllowance  
Net deferred tax asset 0us-gaap_DeferredTaxAssetsLiabilitiesNet     0us-gaap_DeferredTaxAssetsLiabilitiesNet 0us-gaap_DeferredTaxAssetsLiabilitiesNet    
Reconciliation of the statutory federal income tax rate [Abstract]              
Statutory federal income tax rate (in hundredths)       (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate  
State taxes, net of federal benefit (in hundredths)       (7.60%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (1.80%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 12.20%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes  
Change in valuation allowance (in hundredths)       42.80%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 265.80%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (452.50%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance  
Disallowed deferred tax asset-related party (in hundredths)       0.00%chmp_EffectiveIncomeTaxRateReconciliationDisallowedDeferredTaxAssetRelatedParty (220.10%)chmp_EffectiveIncomeTaxRateReconciliationDisallowedDeferredTaxAssetRelatedParty 0.00%chmp_EffectiveIncomeTaxRateReconciliationDisallowedDeferredTaxAssetRelatedParty  
Selling expenses (in hundredths)       (1.20%)chmp_EffectiveIncomeTaxRateReconciliationSellingExpenses (1.40%)chmp_EffectiveIncomeTaxRateReconciliationSellingExpenses (2.70%)chmp_EffectiveIncomeTaxRateReconciliationSellingExpenses  
CODI, Insolvency Exemption debt basis       0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfAssets 3.10%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfAssets 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfAssets  
Goodwill       0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther (10.30%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther  
Other (in hundredths)       0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.60%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 1.50%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments  
Effective tax rate, benefit (expense) (in hundredths)       0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 1.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations (407.50%)us-gaap_EffectiveIncomeTaxRateContinuingOperations (43.20%)us-gaap_EffectiveIncomeTaxRateContinuingOperations
Cancellation of debt income       0chmp_CancellationOfDebtIncome      
Attribute recapture income       6,400,000us-gaap_NoninterestIncomeOtherOperatingIncome      
Deemed aggregate losses disallowed for federal and state tax purposes       32,000,000chmp_DeemedAggregateLossesDisallowedForFederalAndStateTaxPurposes      
Period of cumulative loss incurred, minimum       4 years      
Period of cumulative loss incurred, maximum       8 years      
Lock back period in which no cumulative losses were reported, minimum       4 years      
Lock back period in which no cumulative losses were reported, maximum       8 years      
Effective tax rate, change in deferred tax assets, valuation allowance 800,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 800,000us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 0us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance        
Income taxes refunded         0us-gaap_ProceedsFromIncomeTaxRefunds   0us-gaap_ProceedsFromIncomeTaxRefunds
Operating loss carryforwards, Net of valuation allowance           $ 15,200,000chmp_DeferredTaxAssetsOperatingLossCarryforwardsNetOfValuationAllowance  
Internal Revenue Service [Member]              
Operating Loss Carryforwards [Line Items]              
Operating Loss Carryforwards term, forward       20 years      
Operating loss carryforwards term, Carried back       2 years      
State [Member] | Minimum [Member]              
Operating Loss Carryforwards [Line Items]              
Operating Loss Carryforwards term, forward       15 years      
State [Member] | Maximum [Member]              
Operating Loss Carryforwards [Line Items]              
Operating Loss Carryforwards term, forward       20 years