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

Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Tables)

Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2017

Changes in Allowance for Doubtful Accounts

Changes in the allowance for doubtful accounts are as follows:



	Three Months Ended March 31,
	2017			2016
Allowance for doubtful accounts, beginning of period	$	7,836		$	3,729
Charges to costs and expenses	—			204
Account write-offs and other	(463		)	432
Allowance for doubtful accounts, end of period	$	7,373		$	4,365

Estimated Useful Lives of Property and Equipment

Depreciation and amortization of property and equipment are computed on a straight-line basis over the following estimated useful lives:



Asset Classification		Estimated Useful Life
Furniture and office equipment		Five years
Computer equipment and software costs		Three to five years
Leasehold improvements		Lesser of term of lease or five years
Automobiles		Five years
Land		Unlimited

Included in project assets are capital lease assets and accumulated depreciation of capital lease assets. Capital lease assets consist of the following:



	As of March 31,			As of December 31,
	2017			2016
Capital lease assets	$	20,534		$	15,640
Less - accumulated depreciation and amortization	(963		)	(744		)
Capital lease assets, net	$	19,571		$	14,896

Schedule of Sale Leaseback Transactions

See below for a summary of solar PV project sales by fiscal quarter under our sale-leaseback agreements:



Quarter Ended	# Solar PV Projects Sold	Sale Price	Deferred Gain Recorded	Deferred Loss Recorded	Capital Lease Asset/Liability Recorded	Initial Lease Term	Periodic Minimum Lease Payment	Periodic Maximum Lease Payment
March 31, 2016	2	3,541	589	—	1,509	20	8	139
March 31, 2017	2	8,783	273	913	4,751	10-20	4	407

Schedule of Earnings Per Share, Basic and Diluted

When the effects are not anti-dilutive, diluted earnings per share is calculated using the weighted-average outstanding common shares; the dilutive effect of convertible preferred stock, under the “if converted” method; and the treasury stock method with regard to warrants and stock options; all as determined under the treasury stock method.



	Three Months Ended March 31,
	2017			2016
Net (loss) income attributable to Ameresco, Inc.	$	(644	)	$	1,054
Basic weighted-average shares outstanding	45,513,872			46,742,488
Effect of dilutive securities:
Stock options	—			117,856
Diluted weighted-average shares outstanding	45,513,872			46,860,344