Annual report pursuant to Section 13 and 15(d)

Income Taxes (Tables)

v3.8.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2017
Income Tax Disclosure [Abstract]  
Domestic and Foreign Income Taxes
The components of income before income taxes are as follows: 
 
Year Ended December 31,
 
2017
 
2016
 
2015
Domestic
$
29,792

 
$
19,874

 
$
17,860

Foreign
(1,075
)
 
(3,507
)
 
(17,568
)
Income before (benefit) provision for income taxes
$
28,717

 
$
16,367

 
$
292

Income Tax Provision (Benefit)
The components of the (benefit) provision for income taxes are as follows: 
 
Year Ended December 31,
 
2017
 
2016
 
2015
Current:
 

 
 

 
 

   Federal
$
(1,055
)
 
$
1,304

 
$
224

   State
671

 
303

 
603

   Foreign
161

 
(106
)
 
443

 
(223
)
 
1,501

 
1,270

Deferred:
 

 
 

 
 

   Federal
(6,683
)
 
2,341

 
3,861

   State
1,853

 
106

 
134

   Foreign
262

 
422

 
(289
)
 
(4,568
)
 
2,869

 
3,706

 
$
(4,791
)
 
$
4,370

 
$
4,976

Deferred Income Tax Assets and Liabilities
Deferred tax assets and liabilities consist of the following:
 
December 31,
 
2017
 
2016
Deferred tax assets:
 

 
 

Compensation accruals
$
3,042

 
$
4,259

Reserves
2,149

 
4,597

Other accruals
(193
)
 
732

Net operating losses
10,099

 
8,044

Interest rate swaps
866

 
1,500

Energy efficiency
22,716

 
14,449

Deferred revenue
815

 
1,351

Gross deferred income tax assets
39,494

 
34,932

Valuation allowance
(7,534
)
 
(7,344
)
Total deferred income tax assets
$
31,960

 
$
27,588

Deferred tax liabilities:
 

 
 

Depreciation
$
(24,178
)
 
$
(30,974
)
Contract refinancing

 
(217
)
Canada
(3,156
)
 
(1,901
)
United Kingdom
(802
)
 
(697
)
Outside basis difference
(4,408
)
 
(2,756
)
Acquisition accounting

 
(80
)
Total deferred income tax liabilities
(32,544
)
 
(36,625
)
Deferred income tax liabilities, net
$
(584
)
 
$
(9,037
)
Reconciliation of Effective Tax Rates
The following is a reconciliation of the effective tax rates:
 
Year Ended December 31,
 
2017
 
2016
 
2015
Income before (benefit) provision for income taxes
$
28,717

 
$
16,367

 
$
292

Federal statutory tax expense
$
10,048

 
$
5,728

 
$
102

State income taxes, net of Federal benefit
1,584

 
678

 
604

Net state impact of deferred rate change
327

 
(110
)
 
55

Non deductible expenses
1,473

 
670

 
933

Impact of reserve for uncertain tax positions
42

 
(411
)
 
(1,772
)
Stock-based compensation expense
116

 
306

 
402

Energy efficiency preferences
(6,416
)
 
(4,130
)
 
(3,280
)
Foreign items and rate differential
139

 
516

 
1,556

Tax rate change
(13,948
)
 

 

Valuation allowance
424

 
213

 
4,255

Energy partnership basis adjustments

 

 
2,133

Miscellaneous
1,420

 
910

 
(12
)
 
$
(4,791
)
 
$
4,370

 
$
4,976

Effective tax rate:
 
 
 

 
 

Federal statutory rate expense
35.0
 %
 
35.0
 %
 
35.0
 %
State income taxes, net of Federal benefit
5.5
 %
 
4.1
 %
 
206.8
 %
Net state impact of deferred rate change
1.1
 %
 
(0.7
)%
 
18.8
 %
Non deductible expenses
5.1
 %
 
4.1
 %
 
319.5
 %
Impact of reserve for uncertain tax positions
0.1
 %
 
(2.5
)%
 
(606.8
)%
Stock-based compensation expense
0.4
 %
 
1.9
 %
 
137.7
 %
Energy efficiency preferences
(22.3
)%
 
(25.2
)%
 
(1,123.3
)%
Foreign items and rate differential
0.5
 %
 
3.2
 %
 
532.9
 %
Tax rate change
(48.6
)%
 
 %
 
 %
Valuation allowance
1.5
 %
 
1.3
 %
 
1,457.2
 %
Energy partnership basis adjustments
 %
 
 %
 
730.5
 %
Miscellaneous
4.9
 %
 
5.5
 %
 
(4.1
)%
 
(16.7
)%
 
26.7
 %
 
1,704.2
 %
Unrecognized Tax Benefits
A reconciliation of the beginning and ending balances of the total amounts of gross unrecognized tax benefits is as follows:
 
Year Ended December 31,
 
2017
 
2016
Balance, beginning of year
$
600

 
$
2,200

Additions for prior year tax positions

 

Settlements paid to tax authorities

 
(1,310
)
Reductions of prior year tax positions

 
(290
)
Balance, end of year
$
600

 
$
600