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INCOME TAXES (Details) (USD $)
3 Months Ended 6 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2014
INCOME TAXES [Abstract]      
Interim provision estimated effective tax rate (in hundredths) 26.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations    
Threshold percentage of loss offset by NOLs (in hundredths) 90.00%cemi_ThresholdPercentageOfLossOffsetByNols    
Income tax provision percentage from accrued expenses (in hundredths) 0.00%cemi_IncomeTaxProvisionPercentageFromAccruedExpenses    
Amount added to accrued expenses $ 0us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable    
Income tax provision (227,500)us-gaap_IncomeTaxExpenseBenefit (156,170)us-gaap_IncomeTaxExpenseBenefit (227,500)us-gaap_IncomeTaxExpenseBenefit
Income tax provision percentage from reduction of the deferred tax asset (in hundredths) 26.00%cemi_IncomeTaxProvisionPercentageFromReductionOfDeferredTaxAsset    
Deferred taxes $ (227,500)us-gaap_DeferredIncomeTaxExpenseBenefit $ (142,896)us-gaap_DeferredIncomeTaxExpenseBenefit