XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.1.9
Per Share Information (Details)
3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2014
Rights Offering [Abstract]    
Weighted Average Number Of Shares Outstanding Basic Before Rights Offering 17,857,422iesc_WeightedAverageNumberOfSharesOutstandingBasicBeforeRightsOffering 17,837,117iesc_WeightedAverageNumberOfSharesOutstandingBasicBeforeRightsOffering
Weighted Average Number Of Shares Outstanding Diluted Before Rights Offering 17,905,021iesc_WeightedAverageNumberOfSharesOutstandingDilutedBeforeRightsOffering 17,898,722iesc_WeightedAverageNumberOfSharesOutstandingDilutedBeforeRightsOffering
Weighted Average Common Share Adjustment Factor 1.034iesc_WeightedAverageCommonShareAdjustmentFactor 1.034iesc_WeightedAverageCommonShareAdjustmentFactor
Stock Option [Member]    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember
150,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_EmployeeStockOptionMember