Ameresco, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Income Taxes

Income Taxes	3 Months Ended
Income Taxes	Mar. 31, 2012
Income Taxes [Abstract]
Income Tax Disclosure [Text Block]	INCOME TAXES The provision for income taxes was $2,114,668 and $581,887, for the three months ended March 31, 2011 and 2012, respectively. The effective tax rate changed to 27.9% for the three months ended March 31, 2012 from 28.6% for the three months ended March 31, 2011.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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+ Details