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6. INCOME TAXES Reconciliation of effective tax rate (Details)
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Income Taxes Reconciliation Of Effective Tax Rate Details      
Federal Rate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State tax rate, net of federal benefit 5.15%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential 4.97%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential 5.21%us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
State tax rate change 0.93%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate (3.77%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate 18.07%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Other adjustments 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (0.53%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Expired tax attributes 0.00%CVM_EffectiveTaxRateReconciliationExpiredTaxAttributes (87.87%)CVM_EffectiveTaxRateReconciliationExpiredTaxAttributes (33.54%)CVM_EffectiveTaxRateReconciliationExpiredTaxAttributes
Adjustment to Deferreds 19.13%CVM_EffectiveTaxRateReconciliationAdjustmentToDeferreds 14.30%CVM_EffectiveTaxRateReconciliationAdjustmentToDeferreds 0.00%CVM_EffectiveTaxRateReconciliationAdjustmentToDeferreds
Permanent differences (0.43%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense (1.59%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense (0.68%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense
Change in valuation allowance (58.78%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 39.96%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (23.53%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Effective tax rate 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations