$IESC
IES Holdings, Inc. Stock $iesc

$iesc Overview Financials Valuation SEC Filings Company Website

2015 Q2 Form 10-K Financial Statement

#000119312515400802 Filed on December 11, 2015

Income Statement

Concept	2015 Q2	2015 Q1	2014 Q3
Revenue	$144.1M	$133.8M	$135.9M
YoY Change	5.79%	11.21%	9.76%
Cost Of Revenue	$119.0M	$112.0M	$113.5M
YoY Change	4.85%	11.78%	6.57%
Gross Profit	$25.05M	$21.71M	$22.32M
YoY Change	10.53%	8.4%	28.78%
Gross Profit Margin	17.39%	16.23%	16.43%
Selling, General & Admin	$20.50M	$19.41M	$19.70M
YoY Change	7.33%	1.24%	6.49%
% of Gross Profit	81.83%	89.41%	88.27%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$636.0K	$589.0K	$640.0K
YoY Change	1.11%	-5.0%	8.47%
% of Gross Profit	2.54%	2.71%	2.87%
Operating Expenses	$20.50M	$19.41M	$19.70M
YoY Change	7.33%	1.24%	7.07%
Operating Profit	$4.552M	$2.298M	$2.618M
YoY Change	27.65%	162.33%	-344.9%
Interest Expense	-$300.0K	$311.0K	-$300.0K
YoY Change	-186.21%	-22.44%	0.0%
% of Operating Profit	-6.59%	13.53%	-11.46%
Other Income/Expense, Net	$0.00	$200.0K	$0.00
YoY Change			-100.0%
Pretax Income	$4.300M	$2.158M	$2.300M
YoY Change	33.66%	340.41%	-309.09%
Income Tax	$339.0K	$304.0K	$300.0K
% Of Pretax Income	7.88%	14.09%	13.04%
Net Earnings	$3.957M	$1.810M	$2.130M
YoY Change	48.04%	355.92%	-215.51%
Net Earnings / Revenue	2.75%	1.35%	1.57%
Basic Earnings Per Share	$0.19	$0.08	$0.10
Diluted Earnings Per Share	$0.19	$0.08	$0.10
COMMON SHARES
Basic Shares Outstanding	21.32M shares	21.76M shares
Diluted Shares Outstanding	21.37M shares

Balance Sheet

Concept	2015 Q2	2015 Q1	2014 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$44.80M	$47.30M	$47.30M
YoY Change	101.8%	130.73%	127.4%
Cash & Equivalents	$44.82M	$47.25M	$47.34M
Short-Term Investments
Other Short-Term Assets	$4.400M	$5.000M	$3.100M
YoY Change	7.32%	-9.09%	-18.42%
Inventory	$13.80M	$13.37M	$16.05M
Prepaid Expenses
Receivables	$112.1M	$76.12M	$77.46M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$175.0M	$167.9M	$168.0M
YoY Change	21.36%	23.06%	16.62%
LONG-TERM ASSETS
Property, Plant & Equipment	$11.90M	$10.79M	$10.19M
YoY Change	16.67%	5.77%	-2.17%
Goodwill		$14.99M	$14.99M
YoY Change		7.68%	7.68%
Intangibles		$3.302M	$3.503M
YoY Change		-13.56%	-15.35%
Long-Term Investments			$900.0K
YoY Change			0.0%
Other Assets	$4.200M	$4.175M	$3.500M
YoY Change	-28.81%	-30.98%	-48.16%
Total Long-Term Assets	$37.51M	$33.26M	$31.99M
YoY Change	8.22%	-2.03%	-9.18%
TOTAL ASSETS
Total Short-Term Assets	$175.0M	$167.9M	$168.0M
Total Long-Term Assets	$37.51M	$33.26M	$31.99M
Total Assets	$212.5M	$201.1M	$200.0M
YoY Change	18.81%	18.06%	11.55%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$74.30M	$74.60M	$74.00M
YoY Change	3.92%	7.34%	-0.4%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due			$0.00
YoY Change			-100.0%
Total Short-Term Liabilities	$101.1M	$93.87M	$95.88M
YoY Change	4.77%	3.5%	-2.71%
LONG-TERM LIABILITIES
Long-Term Debt	$10.20M	$10.23M	$10.21M
YoY Change	34.51%	20.29%	-0.02%
Other Long-Term Liabilities	$7.100M	$7.132M	$7.044M
YoY Change	0.74%	0.45%	-11.93%
Total Long-Term Liabilities	$17.30M	$17.36M	$17.25M
YoY Change	18.24%	11.26%	-5.25%
TOTAL LIABILITIES
Total Short-Term Liabilities	$101.1M	$93.87M	$95.88M
Total Long-Term Liabilities	$17.30M	$17.36M	$17.25M
Total Liabilities	$118.4M	$111.2M	$113.1M
YoY Change	4.97%	3.86%	-3.11%
SHAREHOLDERS EQUITY
Retained Earnings		-$99.47M	-$104.6M
YoY Change		-9.06%	-4.84%
Common Stock		$220.0K	$220.0K
YoY Change		20.88%	20.88%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$5.539M	$2.394M
YoY Change		128.22%	2.66%
Treasury Stock Shares	523.4K shares	715.6K shares	281.8K shares
Shareholders Equity	$94.10M	$89.88M	$87.97M
YoY Change
Total Liabilities & Shareholders Equity	$212.5M	$201.1M	$201.1M
YoY Change	18.81%	18.06%	12.19%

Cashflow Statement

Concept	2015 Q2	2015 Q1	2014 Q3
OPERATING ACTIVITIES
Net Income	$3.957M	$1.810M	$2.130M
YoY Change	48.04%	355.92%	-215.51%
Depreciation, Depletion And Amortization	$636.0K	$589.0K	$640.0K
YoY Change	1.11%	-5.0%	8.47%
Cash From Operating Activities	$1.470M	$4.600M	$6.900M
YoY Change	-53.04%	-3.56%	-503.51%
INVESTING ACTIVITIES
Capital Expenditures	-$760.0K	-$930.0K	-$560.0K
YoY Change	38.18%	55.0%	409.09%
Acquisitions
YoY Change
Other Investing Activities	-$3.110M		$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$3.870M	-$930.0K	-$560.0K
YoY Change	603.64%	55.0%	-84.49%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-40.00K	-3.100M	18.76M
YoY Change	-95.45%	256.32%	71.48%
NET CHANGE
Cash From Operating Activities	1.470M	4.600M	6.900M
Cash From Investing Activities	-3.870M	-930.0K	-560.0K
Cash From Financing Activities	-40.00K	-3.100M	18.76M
Net Change In Cash	-2.440M	570.0K	25.10M
YoY Change	-243.53%	-82.73%	346.62%
FREE CASH FLOW
Cash From Operating Activities	$1.470M	$4.600M	$6.900M
Capital Expenditures	-$760.0K	-$930.0K	-$560.0K
Free Cash Flow	$2.230M	$5.530M	$7.460M
YoY Change	-39.4%	2.98%	-566.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.08
CY2015Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.08
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.16
CY2014Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.16
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.19
CY2015Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.19
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.19
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.36
CY2015Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.36
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.35
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.35
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.09
CY2014Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.09
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.1
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.1
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.15
CY2014Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.15
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.01
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.01
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.01
CY2013Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.01
CY2013Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2013Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.02
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2014Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.02
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	5.76
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
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CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	7.25
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CY2015	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	3313000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	11506000	USD
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.02
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CY2015Q3	iesc	Defined Benefit Plan Percentage Vest After Ten Years Of Service DefinedBenefitPlanPercentageVestAfterTenYearsOfService	0.5	pure
CY2015Q3	iesc	Denfied Benefits Plan Annual Percentage Vested DenfiedBenefitsPlanAnnualPercentageVested	0.1	pure
CY2015Q3	iesc	Percentage Of Plan Funded PercentageOfPlanFunded	0.8475	pure
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	44500	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
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CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	111080	shares
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CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	133000	shares
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CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
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CY2015Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	20000	shares
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CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.46
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.79
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CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	780000	USD
CY2012Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	53157000	USD
CY2013Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	62486000	USD
CY2014Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	87972000	USD
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CY2015	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	316000	USD
CY2015	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2509000	USD
CY2015	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-67000	USD
CY2015	us-gaap	Restricted Stock Expense RestrictedStockExpense	524000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	15115000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2526000	USD
CY2015	us-gaap	Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract	3727000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1902000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-120000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2779000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3113000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5892000	USD
CY2015	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	26000	USD
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CY2014	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	385000	USD
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CY2014	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-218000	USD
CY2014	us-gaap	Restricted Stock Expense RestrictedStockExpense	711000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4137000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3788000	USD
CY2014	us-gaap	Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract	256000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2295000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-592000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	39000	USD
CY2014	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	1176000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-233000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12598000	USD
CY2013	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	286000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2552000	USD
CY2013	us-gaap	Gains Losses On Sales Of Assets GainsLossesOnSalesOfAssets	-119000	USD
CY2013	us-gaap	Restricted Stock Expense RestrictedStockExpense	1430000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3987000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2523000	USD
CY2013	us-gaap	Increase Decrease In Cost In Excess Of Billing On Uncompleted Contract IncreaseDecreaseInCostInExcessOfBillingOnUncompletedContract	155000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	625000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1201000	USD
CY2013	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	-4579000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1982000	USD
CY2014	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1982000	USD
CY2014	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2014	us-gaap	Repayments Of Debt RepaymentsOfDebt	3502000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	15969000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	26585000	USD
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	829000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	5155000	USD
CY2013	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	15167000	USD
CY2015	us-gaap	Interest Paid InterestPaid	792000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	1532000	USD
CY2014	us-gaap	Interest Paid InterestPaid	1149000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	732000	USD
CY2013	us-gaap	Interest Paid InterestPaid	1115000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	496000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20757000	USD
CY2014	us-gaap	Loss Contingency Undiscounted Amount Of Insurance Related Assessment Liability LossContingencyUndiscountedAmountOfInsuranceRelatedAssessmentLiability	4489000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesinnexttwelvemonths Estimatedundiscountedultimatelossesinnexttwelvemonths	1512000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesinyeartwo Estimatedundiscountedultimatelossesinyeartwo	1004000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesinyearthree Estimatedundiscountedultimatelossesinyearthree	575000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesinyearfour Estimatedundiscountedultimatelossesinyearfour	360000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesinyearfive Estimatedundiscountedultimatelossesinyearfive	183000	USD
CY2015Q3	iesc	Estimatedundiscountedultimatelossesthereafter Estimatedundiscountedultimatelossesthereafter	831000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	31721000	USD
CY2014Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	206000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	34866000	USD
CY2014Q3	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	22076000	USD
CY2014Q3	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	8757000	USD
CY2015Q3	iesc	Billings To Date BillingsToDate	-380365000	USD
CY2015Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	29000	USD
CY2015	iesc	Continuingnetincomelossavailabletocommonstockholdersbasic Continuingnetincomelossavailabletocommonstockholdersbasic	16792000	USD
CY2015Q3	iesc	Contracts In Process Net ContractsInProcessNet	-12847000	USD
CY2014Q3	iesc	Billings To Date BillingsToDate	-327113000	USD
CY2014Q3	iesc	Contracts In Process Net ContractsInProcessNet	-13261000	USD
CY2015Q3	iesc	Contracts In Process Net From Balance Sheet ContractsInProcessNetFromBalanceSheet	-12847000	USD
CY2015	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	16877000	USD
CY2015	iesc	Discontinuednetincomelossavailabletocommonstockholdersbasic Discontinuednetincomelossavailabletocommonstockholdersbasic	-339000	USD
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-339000	USD
CY2014	iesc	Continuingnetincomelossavailabletocommonstockholdersbasic Continuingnetincomelossavailabletocommonstockholdersbasic	5500000	USD
CY2013	iesc	Continuingnetincomelossavailabletocommonstockholdersbasic Continuingnetincomelossavailabletocommonstockholdersbasic	-2178000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	5522000	USD
CY2014	iesc	Discontinuednetincomelossavailabletocommonstockholdersbasic Discontinuednetincomelossavailabletocommonstockholdersbasic	-198000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-2178000	USD
CY2013	iesc	Discontinuednetincomelossavailabletocommonstockholdersbasic Discontinuednetincomelossavailabletocommonstockholdersbasic	-1395000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-1395000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3573000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-198000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5302000	USD
CY2014	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	170000	USD
CY2014	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	370000	USD
CY2015Q3	us-gaap	Accounts Payable Trade Current And Noncurrent AccountsPayableTradeCurrentAndNoncurrent	47033000	USD
CY2015Q3	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	22527000	USD
CY2015Q3	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	8832000	USD
CY2014Q3	us-gaap	Accounts Payable Trade Current And Noncurrent AccountsPayableTradeCurrentAndNoncurrent	38639000	USD
CY2014Q3	iesc	Contracts In Process Net From Balance Sheet ContractsInProcessNetFromBalanceSheet	-13261000	USD
CY2015Q3	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	617000	USD
CY2015Q3	us-gaap	Investments Investments	919000	USD
CY2015Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	2332000	USD
CY2014Q3	iesc	Deferredtaxassetsnoncurrent1 Deferredtaxassetsnoncurrent1	298000	USD
CY2014Q3	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	625000	USD
CY2014Q3	us-gaap	Investments Investments	919000	USD
CY2014Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	2375000	USD
CY2015Q3	us-gaap	Cost Method Investments CostMethodInvestments	919000	USD
CY2015Q3	us-gaap	Cost Method Investments Fair Value Disclosure CostMethodInvestmentsFairValueDisclosure	985000	USD
CY2014Q3	us-gaap	Cost Method Investments Fair Value Disclosure CostMethodInvestmentsFairValueDisclosure	1013000	USD
CY2015	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	66000	USD
CY2014	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	94000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	417000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-564000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	183000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	182000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	729000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	79000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	554000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-171000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	363000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-37000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6139000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	295000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	8171000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	107072000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1363000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	200000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	419000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	3976000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1071000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1268000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	123835000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1957000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	303000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	56079000	USD
CY2015Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55963000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	98000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	1000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	17000	USD
CY2015	us-gaap	Depreciation Depreciation	2509000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2779000	USD
CY2014	us-gaap	Depreciation Depreciation	2526000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1982000	USD
CY2013Q3	us-gaap	Goodwill Goodwill	13924000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	564000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	469000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	384000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	375000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	367000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1364000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3523000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	542027000	USD
CY2013	us-gaap	Business Acquisitions Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax	-3081000	USD
CY2015Q3	us-gaap	Revenues Revenues	159687000	USD
CY2015Q3	us-gaap	Gross Profit GrossProfit	30427000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	7588000	USD
CY2015Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-109000	USD
CY2014Q4	us-gaap	Revenues Revenues	136336000	USD
CY2015Q1	us-gaap	Revenues Revenues	133752000	USD
CY2015Q2	us-gaap	Revenues Revenues	144082000	USD
CY2014Q4	us-gaap	Gross Profit GrossProfit	22704000	USD
CY2015Q1	us-gaap	Gross Profit GrossProfit	21708000	USD
CY2015Q2	us-gaap	Gross Profit GrossProfit	25052000	USD
CY2014Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	3473000	USD
CY2014Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-181000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	3292000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1854000	USD
CY2015Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-44000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	1810000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	3962000	USD
CY2015Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-5000	USD
CY2015Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	2956000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	3957000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.09
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	220000	USD
CY2013Q4	us-gaap	Revenues Revenues	120079000	USD
CY2014Q1	us-gaap	Revenues Revenues	120266000	USD
CY2014Q2	us-gaap	Revenues Revenues	136192000	USD
CY2014Q3	us-gaap	Revenues Revenues	135858000	USD
CY2013Q4	us-gaap	Gross Profit GrossProfit	18116000	USD
CY2014Q1	us-gaap	Gross Profit GrossProfit	20026000	USD
CY2014Q2	us-gaap	Gross Profit GrossProfit	22666000	USD
CY2014Q3	us-gaap	Gross Profit GrossProfit	22318000	USD
CY2013Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	265000	USD
CY2013Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-141000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	124000	USD
CY2014Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	446000	USD
CY2014Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-49000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	397000	USD
CY2014Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2795000	USD
CY2014Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-122000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	2673000	USD
CY2014Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	2016000	USD
CY2014Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	114000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	2130000	USD
CY2015Q3	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligation	871000	USD
CY2014Q3	us-gaap	Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Aggregate Benefit Obligation DefinedBenefitPlanPlansWithBenefitObligationsInExcessOfPlanAssetsAggregateBenefitObligation	853000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5295000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5300000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	3764000	USD
CY2015	iesc	Reorganization Of Goodwill Excess Tax Basis ReorganizationOfGoodwillExcessTaxBasis	24190000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	6000	USD
CY2015Q3	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Estimated Range Of Change Upper Bound SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound	6000	USD
CY2015Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	439029000	USD
CY2015Q1	dei	Entity Public Float EntityPublicFloat	67900000	USD
CY2015Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1031000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47342000	USD
CY2014Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	77459000	USD
CY2014Q3	us-gaap	Contract Receivable Retainage ContractReceivableRetainage	15442000	USD
CY2014Q3	us-gaap	Inventory Net InventoryNet	16048000	USD
CY2014Q3	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs CostsInExcessOfBillingsOnUncompletedContractsOrPrograms	8591000	USD
CY2014Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3075000	USD
CY2014Q3	us-gaap	Assets Current AssetsCurrent	167957000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	10188000	USD
CY2014Q3	us-gaap	Goodwill Goodwill	14993000	USD
CY2014Q3	us-gaap	Assets Assets	201108000	USD
CY2014Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	74032000	USD
CY2014Q3	us-gaap	Billings In Excess Of Cost BillingsInExcessOfCost	21852000	USD
CY2014Q3	us-gaap	Liabilities Current LiabilitiesCurrent	95884000	USD
CY2014Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7044000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	113136000	USD
CY2014Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014Q3	us-gaap	Treasury Stock Value TreasuryStockValue	2394000	USD
CY2014Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	194719000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-104571000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	87972000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	201108000	USD
CY2013Q3	us-gaap	Assets Assets	179252000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	49360000	USD
CY2015Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	92976000	USD
CY2015Q3	us-gaap	Contract Receivable Retainage ContractReceivableRetainage	17453000	USD
CY2015Q3	us-gaap	Inventory Net InventoryNet	13977000	USD
CY2015Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2015Q3	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs CostsInExcessOfBillingsOnUncompletedContractsOrPrograms	12318000	USD
CY2015Q3	us-gaap	Assets Current AssetsCurrent	189040000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11683000	USD
CY2015Q3	us-gaap	Goodwill Goodwill	17249000	USD
CY2015Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4723000	USD
CY2015Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4015000	USD
CY2015Q3	us-gaap	Assets Assets	226710000	USD
CY2015Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	4000	USD
CY2015Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	82910000	USD
CY2015Q3	us-gaap	Billings In Excess Of Cost BillingsInExcessOfCost	25165000	USD
CY2015Q3	us-gaap	Liabilities Current LiabilitiesCurrent	108079000	USD
CY2015Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	6983000	USD
CY2015Q3	us-gaap	Liabilities Liabilities	125296000	USD
CY2015Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q3	us-gaap	Common Stock Value CommonStockValue	220000	USD
CY2015Q3	us-gaap	Treasury Stock Value TreasuryStockValue	4401000	USD
CY2015Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	193628000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	USD
CY2015Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-88033000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	101414000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	226710000	USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	842000	USD
CY2014Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22049529	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	21767700	shares
CY2014Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	281829	shares
CY2015Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2015Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22049529	shares
CY2015Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	21475741	shares
CY2015Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	573788	shares
CY2015	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.79
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.02
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2015	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.79
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.02
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.14
CY2013	us-gaap	Cost Of Services CostOfServices	427633000	USD
CY2013	us-gaap	Gross Profit GrossProfit	66960000	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	66598000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.23
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.14
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.09
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.23
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	15460424	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15460424	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21480622	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21526188	shares
CY2013	us-gaap	Revenues Revenues	494593000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	64000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	426000	USD
CY2013	us-gaap	Interest Expense InterestExpense	1771000	USD
CY2013	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-507000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1852000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	326000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-2178000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1395000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	-3573000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	17000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-3556000	USD
CY2015	us-gaap	Revenues Revenues	573857000	USD
CY2015	us-gaap	Cost Of Services CostOfServices	473966000	USD
CY2015	us-gaap	Gross Profit GrossProfit	99891000	USD
CY2015	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	81416000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	13000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	18488000	USD
CY2015	us-gaap	Interest Expense InterestExpense	1130000	USD
CY2015	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	180000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	17538000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	661000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	16877000	USD
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-339000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	2000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16540000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	179000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	711000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3622000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6654000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-586000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2014	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	19650000	USD
CY2013	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1475000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18729000	USD
CY2015	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-670000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-959000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	444000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1954000	USD
CY2013	us-gaap	Repayments Of Debt RepaymentsOfDebt	17042000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	436000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-7155000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2028000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4844000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4770000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	179000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3622000	USD
CY2014Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	0	USD
CY2015Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	23212000	USD
CY2014Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21739000	USD
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div><p style='text-align:left;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-style:italic;margin-left:0pt;color:#000000;' >Use of Estimates</font></p><p style='text-align:left;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;color:#000000;' >The preparation of financial statements in conformity with accountin</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >g principles generally accepted</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > in the United States of America</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >(“GAAP”)</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities, disclosures of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses duri</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >ng the reporting period. Actual results could differ from those estimates. Estimates are primarily used in our revenue recognition of construction in progress, fair value assumptions in analyzing goodwill, investments, intangible assets and long-lived asse</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >t impairments and adjustments, allowance for doubtful accounts receivable, stock-based compensation, reserves for legal matters, </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >realizability</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > of deferred tax assets, </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >unrecognized tax benefits </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >and self-insured claims liabilities and related reserves.</font></p><p style='text-align:justify;line-height:12pt;' ></p></div>
CY2015	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-style:italic;margin-left:0pt;color:#000000;' >Risk Concentration</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;color:#000000;' >Financial instruments, which potentially subject us to concentrations of credit risk, consist principally of cash deposits and accounts receivable. We grant credit, usually without collateral, to our customers, who are generally </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >large public companies, </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >contractors and homebuilders throughout the </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >United States</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >. Consequently, we are subject to potential credit risk related to changes in business and economic factors throughout the </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >United States</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >, specifically,</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > within the construction</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >,</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > homebuilding </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >and mission critical facility </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >market</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >s</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >. However, we are entitled to payment for work performed and </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >generally </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >have certain lien rights in that work. Further, management believes that its contract acceptance, billing and collection policies are</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > adequate to manage potential credit risk. We routinely maintain cash balances in financial institutions in excess of federally insured limits</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >. We periodically assess the financial condition of these institutions where these funds are held and believe the</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > credit risk is minimal</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >. </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >W</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >e maintain the majority of our cash and cash equivalents in money market mutual funds.</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > There can be no assurance, however, that we will not be adversely affected by credit risks we face. </font></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;color:#000000;' > </font></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;color:#000000;' >No single customer accounted for more t</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >han </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >10%</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > of our </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >consolidated </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >revenues for the years ended </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >September 30, 2015</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >, </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2014</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' > and </font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2013</font><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >.</font></p><p style='text-align:left;line-height:12pt;' ></p></div>
CY2013	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	200000	USD
CY2015	us-gaap	Debt Issuance Costs DebtIssuanceCosts	317000	USD
CY2014	us-gaap	Debt Issuance Costs DebtIssuanceCosts	385000	USD
CY2013	us-gaap	Debt Issuance Costs DebtIssuanceCosts	522000	USD
CY2014	iesc	Number Of Single Customers Comprising More Than Ten Percent Of Consolidated Net Sales NumberOfSingleCustomersComprisingMoreThanTenPercentOfConsolidatedNetSales	0	pure
CY2015Q3	us-gaap	Loss Contingency Accrual Insurance Related Assessment Discount Rate LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate	0.014	pure
CY2014Q3	us-gaap	Loss Contingency Accrual Insurance Related Assessment Discount Rate LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate	0.018	pure
CY2013Q3	iesc	Weighted Average Common Share Adjustment Factor WeightedAverageCommonShareAdjustmentFactor	1.034	pure
CY2013	iesc	Continuingnetincomelossavailabletocommonstockholdersdiluted Continuingnetincomelossavailabletocommonstockholdersdiluted	0	USD
CY2014	iesc	Continuingnetincomelossavailabletocommonstockholdersdiluted Continuingnetincomelossavailabletocommonstockholdersdiluted	22000	USD
CY2015	iesc	Continuingnetincomelossavailabletocommonstockholdersdiluted Continuingnetincomelossavailabletocommonstockholdersdiluted	85000	USD
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	45566	shares
CY2014	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	55856	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	85000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	22000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	0	USD
CY2013	iesc	Weightedaveragenumberofsharesoutstandingbasicbeforerightsoffering Weightedaveragenumberofsharesoutstandingbasicbeforerightsoffering	14952054	shares
CY2013	iesc	Weighted Average Number Of Shares Outstanding Diluted Before Rights Offering WeightedAverageNumberOfSharesOutstandingDilutedBeforeRightsOffering	14952054	shares
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	573000	USD
CY2014Q3	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	250000	USD
CY2015Q3	us-gaap	Deposits Assets Noncurrent DepositsAssetsNoncurrent	0	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	381000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	635000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	222000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	413000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1744000	USD
CY2015Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	1641000	USD
CY2015Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	2641000	USD
CY2015Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1199000	USD
CY2015Q3	us-gaap	Other Inventory OtherInventory	8496000	USD
CY2014Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	1978000	USD
CY2014Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	2618000	USD
CY2014Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1819000	USD
CY2014Q3	us-gaap	Other Inventory OtherInventory	9633000	USD
CY2015Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	464000	USD
CY2014Q3	iesc	Estimatedcostofcompetionofbondedproject Estimatedcostofcompetionofbondedproject	85860000	USD
CY2015	iesc	Costs Incurred Contract In Progress CostsIncurredContractInProgress	329942000	USD
CY2015	iesc	Estimated Profit On Contract In Progress EstimatedProfitOnContractInProgress	367518000	USD
CY2014	iesc	Costs Incurred Contract In Progress CostsIncurredContractInProgress	281764000	USD
CY2014	iesc	Estimated Earnings On Contracts In Progress EstimatedEarningsOnContractsInProgress	32088000	USD
CY2014	iesc	Estimated Profit On Contract In Progress EstimatedProfitOnContractInProgress	313852000	USD
CY2014Q3	us-gaap	Cost Method Investments CostMethodInvestments	919000	USD
CY2013Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	980000	USD
CY2015Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	22820000	USD
CY2015Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	6918000	USD
CY2015Q3	us-gaap	Line Of Credit LineOfCredit	10234000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	322000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	9186000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	99610000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1169000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	200000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	113439000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2228000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	202000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	599000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	1084000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	343000	USD
CY2015Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2026000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	111211000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	121878000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	608000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	827000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	219000	USD
CY2014Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1654000	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	55612000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	468000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	2000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	198000	USD
CY2015Q3	iesc	Deferredtaxassetsnoncurrent1 Deferredtaxassetsnoncurrent1	147000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	229000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Gross Current DeferredTaxLiabilitiesGrossCurrent	174000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	55000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Gross Current DeferredTaxAssetsGrossCurrent	201000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Gross Current DeferredTaxLiabilitiesGrossCurrent	196000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	5000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	1999000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	1852000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	147000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Gross Noncurrent DeferredTaxAssetsGrossNoncurrent	1961000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Gross Noncurrent DeferredTaxLiabilitiesGrossNoncurrent	1663000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	298000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	2195000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-648000	USD
CY2015Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	18000	USD
CY2015Q3	iesc	Common Stock Shares Issued From Rights Offering CommonStockSharesIssuedFromRightsOffering	3846150	shares
CY2015	dei	Trading Symbol TradingSymbol	IESC
CY2015Q3	iesc	Common Stock Shares Outstanding From Rights Offering CommonStockSharesOutstandingFromRightsOffering	21768642	shares
CY2015Q3	iesc	Controlling Shareholder Ownership Percentage Before Rights Offering ControllingShareholderOwnershipPercentageBeforeRightsOffering	0.6	pure
CY2015Q3	iesc	Controlling Shareholder Ownership Percentage After Rights Offering ControllingShareholderOwnershipPercentageAfterRightsOffering	0.61	pure
CY2015Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	697000	USD
CY2015Q3	iesc	Uncertain Tax Benefit Net Opertating Loss From Goodwill UncertainTaxBenefitNetOpertatingLossFromGoodwill	50581000	USD
CY2014Q3	iesc	Uncertain Tax Benefit Net Opertating Loss From Goodwill UncertainTaxBenefitNetOpertatingLossFromGoodwill	50759000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	0	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.46
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	170000	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	20000	shares
CY2015	iesc	Rights Offering Date RightsOfferingDate	2014-08-07
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	150000	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	37000	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	194000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	13500	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	12500	shares
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-09-30
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.87
CY2015	iesc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Options Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskOptionsTerm	P10Y
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2015	iesc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskForfeitureRate	0.1	pure
CY2015	iesc	Rights Offering Description RightsOfferingDescription	On August 7, 2014, we completed a $20,000 rights offering (the “Rights Offering”). In the Rights Offering, the Company distributed, at no charge, to the holders of shares of its common stock on July 7, 2014, one non-transferable subscription right for each share of common stock owned. Each right entitled the holder thereof to purchase from the Company 0.214578135 shares of common stock at a subscription price of $5.20 per share, which represented a discount to the market price of the common stock at the closing of the offering. In addition, holders who purchased all of the shares of common stock available to them were entitled to subscribe, at the same subscription price of $5.20 per share, for a portion of any shares of common stock that other holders did not purchase, subject to certain limitations (the “Over-Subscription Privilege”). The Rights Offering was fully subscribed, after giving effect to the exercise of Over-Subscription Privileges, and we received net proceeds of approximately $19,649, after deducting estimated offering expenses, for the issuance of 3,846,150 shares of common stock.
CY2014	iesc	Proceeds From Issuance Of Common Stock From Rights Offering ProceedsFromIssuanceOfCommonStockFromRightsOffering	20000000	USD
CY2014	iesc	Proceeds From Issuance O Fcommon Stock Net Of Issuance Costs ProceedsFromIssuanceOFcommonStockNetOfIssuanceCosts	19649000	USD
CY2015Q3	iesc	Shares Available To Purchase Per Right SharesAvailableToPurchasePerRight	0.214578135	shares
CY2015Q3	iesc	Shares Issued Price Per Share From Rights Offering SharesIssuedPricePerShareFromRightsOffering	5.2
CY2014Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1158000	USD
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18417564	shares
CY2014	us-gaap	Revenues Revenues	512395000	USD
CY2014	us-gaap	Cost Of Services CostOfServices	429269000	USD
CY2015	iesc	Change In Valuation Allowance ChangeInValuationAllowance	10667000	USD
CY2014	us-gaap	Gross Profit GrossProfit	83126000	USD
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	75571000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	86000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	7641000	USD
CY2014	us-gaap	Interest Expense InterestExpense	1574000	USD
CY2014	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	203000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	6270000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	748000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	5522000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-198000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	5324000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-19000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5305000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.3
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.3
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.01
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.01
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18473420	shares
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	524000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1430000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	19649000	USD
CY2015	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div><table style='border-collapse:collapse;' ><tr style='height:12.75pt;' ><td colspan='2' rowspan='1' style='width:119.25pt;text-align:left;border-color:Black;min-width:119.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Year Ended September 30:</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' ></font></td><td style='width:52.5pt;text-align:left;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-weight:bold;color:#000000;' ></font></td></tr><tr style='height:12.75pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2016</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:52.5pt;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >1,512</font></td></tr><tr style='height:13.5pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2017</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:52.5pt;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >1,004</font></td></tr><tr style='height:13.5pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2018</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:52.5pt;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >575</font></td></tr><tr style='height:12.75pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2019</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:52.5pt;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >360</font></td></tr><tr style='height:12.75pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >2020</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:1pt;color:#000000;' ></font></td><td style='width:9.75pt;text-align:right;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:1pt;color:#000000;' ></font></td><td style='width:52.5pt;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >183</font></td></tr><tr style='height:12.75pt;' ><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:114.75pt;text-align:left;border-color:Black;min-width:114.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Thereafter</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;border-bottom-style:solid;border-bottom-width:1;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:52.5pt;border-bottom-style:solid;border-bottom-width:1;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >831</font></td></tr><tr style='height:13.5pt;' ><td colspan='2' rowspan='1' style='width:119.25pt;text-align:left;border-color:Black;min-width:119.25pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >Total</font></td><td style='width:4.5pt;text-align:left;border-color:Black;min-width:4.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' ></font></td><td style='width:9.75pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:left;border-color:Black;min-width:9.75pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >$</font></td><td style='width:52.5pt;border-top-style:solid;border-top-width:1;border-bottom-style:double;border-bottom-width:3;text-align:right;border-color:Black;min-width:52.5pt;' ><font style='font-family:Times New Roman;font-size:10pt;color:#000000;' >4,465</font></td></tr></table></div>
CY2015	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<div><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;font-style:italic;margin-left:0pt;color:#000000;' >Asset Impairment</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;' >During the fiscal years ended </font><font style='font-family:Times New Roman;font-size:10pt;' >September 30, 2015</font><font style='font-family:Times New Roman;font-size:10pt;' > and </font><font style='font-family:Times New Roman;font-size:10pt;' >2014</font><font style='font-family:Times New Roman;font-size:10pt;' >, the Company recorded no asset impairment charges.</font></p><p style='text-align:justify;line-height:12pt;' ></p><p style='text-align:justify;margin-top:0pt;margin-bottom:0pt;line-height:12pt;' ><font style='font-family:Times New Roman;font-size:10pt;margin-left:0pt;' >During the fiscal year ended </font><font style='font-family:Times New Roman;font-size:10pt;' >September 30, 2013</font><font style='font-family:Times New Roman;font-size:10pt;' >, the Company recorded pretax non-cash asset impairment charges of $</font><font style='font-family:Times New Roman;font-size:10pt;' >200</font><font style='font-family:Times New Roman;font-size:10pt;' > related to real estate held by our Commercial & Industrial segment. The real estate was held within a location selected for closure during 2011. This impairment was to adjust the carrying value of real estate held for sale to the estimated market valu</font><font style='font-family:Times New Roman;font-size:10pt;' >e less expected selling expenses. The real estate was sold on September 30, 2013. The impairment charges are included in our net loss from discontinued operations within our Consolidated Statements of Comprehensive Income.</font></p><p style='text-align:justify;line-height:12pt;' ></p></div>
CY2015	us-gaap	Loss Contingency Undiscounted Amount Of Insurance Related Assessment Liability LossContingencyUndiscountedAmountOfInsuranceRelatedAssessmentLiability	4465000	USD
CY2015Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	4518000	USD
CY2014Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	4560000	USD
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0001048268
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum	0.556	pure
CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	416000	USD
CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	354000	USD
CY2014Q3	us-gaap	Debt Current DebtCurrent	0	USD
CY2014Q3	us-gaap	Long Term Debt LongTermDebt	10208000	USD
CY2015Q3	us-gaap	Debt Current DebtCurrent	4000	USD
CY2015Q3	us-gaap	Long Term Debt LongTermDebt	10234000	USD
CY2015Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	10238000	USD
CY2014Q3	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	10208000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	452000	USD
CY2014	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	1069000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2256000	USD
CY2014Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	4240000	USD
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2013	iesc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskForfeitureRate	0.1	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	3.43
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.666	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.009	pure
CY2015Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	3.24
CY2014Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	737000	USD
CY2015Q3	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	5940000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1217000	USD
CY2013	iesc	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Options Term ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskOptionsTerm	P10Y
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum	0.5781	pure
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum	0.0134	pure
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum	0.0148	pure
CY2015	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10234000	USD
CY2014Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10208000	USD
CY2013	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	11890000	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	435000	USD

Files In Submission

Name	View Source	Status
0001193125-15-400802-index-headers.html	Edgar Link	pending
0001193125-15-400802-index.html	Edgar Link	pending
0001193125-15-400802.txt	Edgar Link	pending
0001193125-15-400802-xbrl.zip	Edgar Link	pending
d103295d10k.htm	Edgar Link	pending
d103295dex211.htm	Edgar Link	pending
d103295dex231.htm	Edgar Link	pending
d103295dex311.htm	Edgar Link	pending
d103295dex312.htm	Edgar Link	pending
d103295dex321.htm	Edgar Link	pending
d103295dex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
g103295g34b56.jpg	Edgar Link	pending
g103295g44f70.jpg	Edgar Link	pending
iesc-20150930.xml	Edgar Link	completed
iesc-20150930.xsd	Edgar Link	pending
iesc-20150930_cal.xml	Edgar Link	unprocessable
iesc-20150930_def.xml	Edgar Link	unprocessable
iesc-20150930_lab.xml	Edgar Link	unprocessable
iesc-20150930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
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$IESC
IES Holdings, Inc. Stock $iesc

2015 Q2 Form 10-K Financial Statement

#000119312515400802 Filed on December 11, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC IES Holdings, Inc. Stock $iesc

2015 Q2 Form 10-K Financial Statement

#000119312515400802 Filed on December 11, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC
IES Holdings, Inc. Stock $iesc