2010 Q4 Form 10-K Financial Statement

#000148813912000005 Filed on March 15, 2012

View on sec.gov

Income Statement

Concept 2010 Q4 2009 2008 Q4
Revenue $179.3K $428.5M
YoY Change -99.87% 8.24%
Cost Of Revenue $148.1M $348.8M
YoY Change 38.93% 9.48%
Gross Profit $31.30M $79.70M
YoY Change 17.23% 3.1%
Gross Profit Margin 17452.69% 18.6%
Selling, General & Admin $13.00M $44.80M
YoY Change 2.36% 13.42%
% of Gross Profit 41.53% 56.21%
Research & Development $5.800M $9.600M
YoY Change 114.81% -26.72%
% of Gross Profit 18.53% 12.05%
Depreciation & Amortization $2.560M $6.630M
YoY Change 53.29% 75.4%
% of Gross Profit 8.18% 8.32%
Operating Expenses $18.77K $54.41M
YoY Change -99.88% 3.43%
Operating Profit $12.50K $25.29M
YoY Change -99.89% 2.4%
Interest Expense -$1.000M $1.600M
YoY Change -1100.0% -130.77%
% of Operating Profit -7998.08% 6.33%
Other Income/Expense, Net $185.00 $1.563M
YoY Change
Pretax Income $12.69K $26.86M
YoY Change -99.89% 37.73%
Income Tax $3.805K $6.950M
% Of Pretax Income 29.99% 25.88%
Net Earnings $8.883K $19.91M
YoY Change -99.91% 8.78%
Net Earnings / Revenue 4.95% 4.65%
Basic Earnings Per Share $0.22 $1.99
Diluted Earnings Per Share $0.19 $0.61
COMMON SHARES
Basic Shares Outstanding 41.09M shares 9.992M shares
Diluted Shares Outstanding 46.15M shares 32.71M shares

Balance Sheet

Concept 2010 Q4 2009 2008 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments $44.70M $47.90M
YoY Change 164.64%
Cash & Equivalents $44.69M $47.90M $18.15M
Short-Term Investments
Other Short-Term Assets $70.70M $49.10M
YoY Change 11.85%
Inventory $6.780M $4.200M
Prepaid Expenses $8.472M
Receivables $87.00M $70.50M
Other Receivables $2.500M $0.00
Total Short-Term Assets $211.7M $171.8M
YoY Change 30.75%
LONG-TERM ASSETS
Property, Plant & Equipment $5.406M $122.0M
YoY Change 14.23%
Goodwill $20.58M
YoY Change
Intangibles $0.00
YoY Change
Long-Term Investments
YoY Change
Other Assets $4.599M $14.20M
YoY Change -2.74%
Total Long-Term Assets $372.7M $203.7M
YoY Change 26.84%
TOTAL ASSETS
Total Short-Term Assets $211.7M $171.8M
Total Long-Term Assets $372.7M $203.7M
Total Assets $582.5M $375.5M
YoY Change 28.6%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $95.30M $75.60M
YoY Change 62.93%
Accrued Expenses $12.52M $18.40M
YoY Change 12.2%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00
YoY Change
Long-Term Debt Due $4.722M $8.100M
YoY Change 58.82%
Total Short-Term Liabilities $142.6M $132.3M
YoY Change 45.38%
LONG-TERM LIABILITIES
Long-Term Debt $202.4M $105.8M
YoY Change 12.55%
Other Long-Term Liabilities $28.14M $22.70M
YoY Change 9.13%
Total Long-Term Liabilities $230.6M $128.5M
YoY Change 11.93%
TOTAL LIABILITIES
Total Short-Term Liabilities $142.6M $132.3M
Total Long-Term Liabilities $230.6M $128.5M
Total Liabilities $246.8M $272.8M
YoY Change 25.2%
SHAREHOLDERS EQUITY
Retained Earnings $125.4M
YoY Change
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost) $9.183M
YoY Change
Treasury Stock Shares 4.833M shares
Shareholders Equity $195.1M $102.8M
YoY Change
Total Liabilities & Shareholders Equity $584.4M $375.5M
YoY Change 28.6%

Cashflow Statement

Concept 2010 Q4 2009 2008 Q4
OPERATING ACTIVITIES
Net Income $8.883K $19.91M
YoY Change -99.91% 8.78%
Depreciation, Depletion And Amortization $2.560M $6.630M
YoY Change 53.29% 75.4%
Cash From Operating Activities $27.25M $45.30M
YoY Change -43.69% 3255.28%
INVESTING ACTIVITIES
Capital Expenditures -$13.49M $1.798M
YoY Change 140.04% -104.18%
Acquisitions $674.1K
YoY Change
Other Investing Activities -$160.0K -$670.0K
YoY Change
Cash From Investing Activities -$13.65M -$22.31M
YoY Change 142.88% -48.13%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net $874.9K
YoY Change -118.04%
Debt Paid & Issued, Net $3.592M
YoY Change
Cash From Financing Activities 1.110M $4.129M
YoY Change -110.22% -81.4%
NET CHANGE
Cash From Operating Activities 27.25M $45.30M
Cash From Investing Activities -13.65M -$22.31M
Cash From Financing Activities 1.110M $4.129M
Net Change In Cash 14.71M $27.11M
YoY Change -53.9% -239.25%
FREE CASH FLOW
Cash From Operating Activities $27.25M $45.30M
Capital Expenditures -$13.49M $1.798M
Free Cash Flow $40.74M $43.50M
YoY Change -24.57% -1.96%

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<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;"> DESCRIPTION OF BUSINESS</font></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ameresco, Inc. (including its subsidiaries, the "Company") was organized as a Delaware corporation on April&#160;25, 2000. The Company is a provider of energy efficiency solutions for facilities throughout North America. The Company provides solutions, both products and services, that enable customers to reduce their energy consumption, lower their operating and maintenance costs and realize environmental benefits. The Company's comprehensive set of services includes upgrades to a facility's energy infrastructure and the construction and operation of small-scale renewable energy plants. It also sells certain photovoltaic equipment worldwide. The Company operates in the United States, Canada and Europe.</font><font style="font-family:inherit;font-size:1pt;">&#160;</font></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company is compensated through a variety of methods, including: 1)&#160;direct payments based on fee-for-services contracts (utilizing lump-sum or cost-plus pricing methodologies); 2)&#160;the sale of energy from the Company's generating assets; and 3)&#160;direct payment for photovoltaic equipment and systems.</font></div></div>
CY2009 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
4128686 USD
CY2010 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
20504969 USD
CY2011 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
58076011 USD
CY2009 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-22313707 USD
CY2011 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-105601353 USD
CY2010 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-45929534 USD
CY2009 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
45296308 USD
CY2011 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
30146323 USD
CY2010 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
20849809 USD
CY2009 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
1562910 USD
CY2011 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-5192132 USD
CY2010 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
-5080546 USD
CY2010 us-gaap Operating Expenses
OperatingExpenses
64710123 USD
CY2011 us-gaap Operating Expenses
OperatingExpenses
84360323 USD
CY2009 us-gaap Operating Expenses
OperatingExpenses
54406204 USD
CY2010 us-gaap Operating Income Loss
OperatingIncomeLoss
45992297 USD
CY2011 us-gaap Operating Income Loss
OperatingIncomeLoss
50685824 USD
CY2009 us-gaap Operating Income Loss
OperatingIncomeLoss
25293852 USD
CY2011Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
3778357 USD
CY2010Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
4598980 USD
CY2010 us-gaap Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease
-933879 USD
CY2009 us-gaap Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease
0 USD
CY2011 us-gaap Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease
-4448989 USD
CY2011 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
-970884 USD
CY2009 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
3530723 USD
CY2010 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease
1653430 USD
CY2011 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
970884 USD
CY2010 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
-1653430 USD
CY2009 us-gaap Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax
OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax
-3530723 USD
CY2009 us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
23437871 USD
CY2011 us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
29306647 USD
CY2010 us-gaap Other Comprehensive Income Loss Net Of Tax Period Increase Decrease
OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease
29445667 USD
CY2010 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-933879 USD
CY2011 us-gaap Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax
-4448989 USD
CY2011Q4 us-gaap Other Deferred Credits Noncurrent
OtherDeferredCreditsNoncurrent
6024099 USD
CY2010Q4 us-gaap Other Deferred Credits Noncurrent
OtherDeferredCreditsNoncurrent
4200929 USD
CY2011Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
28529867 USD
CY2010Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
28144144 USD
CY2010 us-gaap Payments For Proceeds From Previous Acquisition
PaymentsForProceedsFromPreviousAcquisition
0 USD
CY2011 us-gaap Payments For Proceeds From Previous Acquisition
PaymentsForProceedsFromPreviousAcquisition
1956366 USD
CY2009 us-gaap Payments For Proceeds From Previous Acquisition
PaymentsForProceedsFromPreviousAcquisition
0 USD
CY2009 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
874948 USD
CY2010 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
768970 USD
CY2011 us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0 USD
CY2011 us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
644288 USD
CY2010 us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
1373171 USD
CY2009 us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
2804759 USD
CY2009 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
674110 USD
CY2010 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
6303006 USD
CY2011 us-gaap Payments To Acquire Businesses Net Of Cash Acquired
PaymentsToAcquireBusinessesNetOfCashAcquired
66232848 USD
CY2011 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
48457910 USD
CY2009 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
32706292 USD
CY2010 us-gaap Payments To Acquire Productive Assets
PaymentsToAcquireProductiveAssets
37825750 USD
CY2010 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
2613267 USD
CY2009 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
1797949 USD
CY2011 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
3449940 USD
CY2010 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
0 USD
CY2009 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
0 USD
CY2011 us-gaap Payments To Minority Shareholders
PaymentsToMinorityShareholders
-63614 USD
CY2011Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.0001
CY2010Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.0001
CY2010Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000 shares
CY2011Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000 shares
CY2011Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0 shares
CY2010Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0 shares
CY2010Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2011Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0 shares
CY2011Q4 us-gaap Preferred Stock Value Outstanding
PreferredStockValueOutstanding
0 USD
CY2010Q4 us-gaap Preferred Stock Value Outstanding
PreferredStockValueOutstanding
0 USD
CY2011Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
8992963 USD
CY2010Q4 us-gaap Prepaid Expense Current
PrepaidExpenseCurrent
8471628 USD
CY2010 us-gaap Proceeds From Issuance Initial Public Offering
ProceedsFromIssuanceInitialPublicOffering
53232458 USD
CY2011 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
12981691 USD
CY2010 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
747362 USD
CY2009 us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
28196538 USD
CY2010 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
-19915218 USD
CY2009 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
-14578242 USD
CY2011 us-gaap Proceeds From Lines Of Credit
ProceedsFromLinesOfCredit
42142858 USD
CY2010 us-gaap Proceeds From Repayments Of Restricted Cash Financing Activities
ProceedsFromRepaymentsOfRestrictedCashFinancingActivities
-6298988 USD
CY2011 us-gaap Proceeds From Repayments Of Restricted Cash Financing Activities
ProceedsFromRepaymentsOfRestrictedCashFinancingActivities
-7823912 USD
CY2009 us-gaap Proceeds From Repayments Of Restricted Cash Financing Activities
ProceedsFromRepaymentsOfRestrictedCashFinancingActivities
-3092590 USD
CY2011 us-gaap Proceeds From Sale Of Machinery And Equipment
ProceedsFromSaleOfMachineryAndEquipment
7800000 USD
CY2010 us-gaap Proceeds From Sale Of Machinery And Equipment
ProceedsFromSaleOfMachineryAndEquipment
0 USD
CY2009 us-gaap Proceeds From Sale Of Machinery And Equipment
ProceedsFromSaleOfMachineryAndEquipment
0 USD
CY2010 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
2674764 USD
CY2009 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
874760 USD
CY2011 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
6407804 USD
CY2010 us-gaap Proceeds From Warrant Exercises
ProceedsFromWarrantExercises
2026 USD
CY2009 us-gaap Profit Loss
ProfitLoss
19907148 USD
CY2010 us-gaap Profit Loss
ProfitLoss
28726116 USD
CY2011 us-gaap Profit Loss
ProfitLoss
34726520 USD
CY2010Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
5406387 USD
CY2011Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
7086164 USD
CY2011Q4 us-gaap Property Plant And Equipment Other Net
PropertyPlantAndEquipmentOtherNet
177854734 USD
CY2010Q4 us-gaap Property Plant And Equipment Other Net
PropertyPlantAndEquipmentOtherNet
145147475 USD
CY2009 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
552368 USD
CY2011 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
24374 USD
CY2010 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
126219 USD
CY2011 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
5074411 USD
CY2009 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
3592073 USD
CY2010 us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
10970656 USD
CY2010 us-gaap Repayments Of Subordinated Debt
RepaymentsOfSubordinatedDebt
2998750 USD
CY2011 us-gaap Repayments Of Subordinated Debt
RepaymentsOfSubordinatedDebt
0 USD
CY2009 us-gaap Repayments Of Subordinated Debt
RepaymentsOfSubordinatedDebt
0 USD
CY2010Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
9197447 USD
CY2011Q4 us-gaap Restricted Cash And Cash Equivalents At Carrying Value
RestrictedCashAndCashEquivalentsAtCarryingValue
12372356 USD
CY2010Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
126609101 USD
CY2011Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
161335621 USD
CY2009 us-gaap Revenue From Grants
RevenueFromGrants
-12864644 USD
CY2010 us-gaap Revenue From Grants
RevenueFromGrants
-812489 USD
CY2011 us-gaap Revenue From Grants
RevenueFromGrants
-6695711 USD
CY2011 us-gaap Revenue Recognition Deferred Revenue
RevenueRecognitionDeferredRevenue
<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">UNCOMPLETED CONTRACTS</font></div><div style="line-height:120%;padding-bottom:4px;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Costs, estimated earnings and related billings on uncompleted contracts at December&#160;31, </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2010</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2011</font><font style="font-family:inherit;font-size:10pt;">, respectively, are as follows:</font><font style="font-family:inherit;font-size:1pt;">&#160;</font></div><div style="line-height:120%;text-align:center;text-indent:24px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:92.39766081871345%;border-collapse:collapse;text-align:left;"><tr><td colspan="9" rowspan="1"></td></tr><tr><td width="66%" rowspan="1" colspan="1"></td><td width="2%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="13%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="2%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td><td width="13%" rowspan="1" colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2010</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2011</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Cost incurred to date</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1,200,365,232</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1,647,328,123</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Estimated earnings</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">239,094,360</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">343,455,309</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1,439,459,592</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1,990,783,432</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Less&#160;- billings to date</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1,431,459,061</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1,948,515,268</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div 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colspan="1"></td><td width="1%" rowspan="1" colspan="1"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2010</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">2011</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Costs and estimated earnings in excess of billings on uncompleted contracts</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">35,556,425</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">69,251,022</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Billings in excess of costs and estimated earnings on uncompleted contracts</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(27,555,894</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;" rowspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(26,982,858</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">8,000,531</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;" rowspan="1" colspan="1"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">42,268,164</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;" rowspan="1" colspan="1"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></td></tr></table></div></div></div>
CY2010 us-gaap Salaries And Wages
SalariesAndWages
30721486 USD
CY2009 us-gaap Salaries And Wages
SalariesAndWages
28273987 USD
CY2011 us-gaap Salaries And Wages
SalariesAndWages
40746280 USD
CY2011 us-gaap Sales Revenue Energy Services
SalesRevenueEnergyServices
551323840 USD
CY2010 us-gaap Sales Revenue Energy Services
SalesRevenueEnergyServices
455329696 USD
CY2009 us-gaap Sales Revenue Energy Services
SalesRevenueEnergyServices
340635122 USD
CY2009 us-gaap Sales Revenue Net
SalesRevenueNet
428516589 USD
CY2011 us-gaap Sales Revenue Net
SalesRevenueNet
728200318 USD
CY2010 us-gaap Sales Revenue Net
SalesRevenueNet
618226659 USD
CY2009 us-gaap Share Based Compensation
ShareBasedCompensation
3168721 USD
CY2010 us-gaap Share Based Compensation
ShareBasedCompensation
2498660 USD
CY2011 us-gaap Share Based Compensation
ShareBasedCompensation
2865706 USD
CY2009 us-gaap Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
2077128 USD
CY2010Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
195051731 USD
CY2011Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
236421035 USD
CY2008Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
74086255 USD
CY2009Q4 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
102769787 USD
CY2011Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
4833284 shares
CY2010Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
4833284 shares
CY2010Q4 us-gaap Treasury Stock Value
TreasuryStockValue
-9182571 USD
CY2011Q4 us-gaap Treasury Stock Value
TreasuryStockValue
-9182571 USD
CY2011 us-gaap Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
0 USD
CY2010 us-gaap Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
-133591 USD
CY2009 us-gaap Unrealized Gain Loss On Derivatives
UnrealizedGainLossOnDerivatives
2263802 USD
CY2009 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
32705617 shares
CY2010 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
41513482 shares
CY2011 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
44707132 shares
CY2011 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
42587818 shares
CY2009 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
9991912 shares
CY2010 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
25728314 shares
CY2010Q4 amrc Book Overdrafts
BookOverdrafts
0 USD
CY2011Q4 amrc Book Overdrafts
BookOverdrafts
7297122 USD
CY2010 amrc Initial Public Offering Allotment Value
InitialPublicOfferingAllotmentValue
3188868 USD
CY2011 amrc Minority Interest In Foreign Subsidiary
MinorityInterestInForeignSubsidiary
63614 USD
CY2009 amrc Proceeds From Exercises Of Options And Warrants
ProceedsFromExercisesOfOptionsAndWarrants
874760 USD
CY2011 amrc Proceeds From Exercises Of Options And Warrants
ProceedsFromExercisesOfOptionsAndWarrants
6407804 USD
CY2010 amrc Proceeds From Exercises Of Options And Warrants
ProceedsFromExercisesOfOptionsAndWarrants
60073139 USD
CY2009 amrc Renewable Energy Expenses
RenewableEnergyExpenses
66472031 USD
CY2011 amrc Renewable Energy Expenses
RenewableEnergyExpenses
146191280 USD
CY2010 amrc Renewable Energy Expenses
RenewableEnergyExpenses
129439629 USD
CY2010 amrc Renewable Energy Revenue
RenewableEnergyRevenue
162896963 USD
CY2011 amrc Renewable Energy Revenue
RenewableEnergyRevenue
176876478 USD
CY2009 amrc Renewable Energy Revenue
RenewableEnergyRevenue
87881467 USD
CY2009 amrc Repurchase Of Stock
RepurchaseOfStock
874948 USD
CY2010 amrc Repurchase Of Stock
RepurchaseOfStock
768970 USD
CY2010 amrc Write Down Of Long Term Receiveable
WriteDownOfLongTermReceiveable
2111000 USD
CY2011 amrc Write Down Of Long Term Receiveable
WriteDownOfLongTermReceiveable
0 USD
CY2009 amrc Write Down Of Long Term Receiveable
WriteDownOfLongTermReceiveable
0 USD
CY2011 dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
CY2011 dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
FY
CY2011 dei Amendment Flag
AmendmentFlag
false
CY2011 dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2011
CY2011 dei Document Period End Date
DocumentPeriodEndDate
2011-12-31
CY2011 dei Document Type
DocumentType
10-K
CY2011 dei Entity Central Index Key
EntityCentralIndexKey
0001488139
CY2011 dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
CY2011 dei Entity Filer Category
EntityFilerCategory
Non-accelerated Filer
CY2011Q2 dei Entity Public Float
EntityPublicFloat
261384520 USD
CY2011 dei Entity Registrant Name
EntityRegistrantName
Ameresco, Inc.
CY2011 dei Entity Voluntary Filers
EntityVoluntaryFilers
No
CY2011 dei Entity Well Known Seasoned Issuer
EntityWellKnownSeasonedIssuer
No

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