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Equity (Tables)
12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure
Subsequent to the IPO through December 31, 2016, the Company and NuDevco owned the following economic interests in Spark HoldCo:
 
The Company
NuDevco Retail and Retailco (1)
From the IPO to December 31, 2014
21.82%
78.18%
On December 31, 2015
22.49%
77.51%
On December 31, 2016
38.85%
61.15%

(1) In January 2016, Retailco succeeded to the interest of NuDevco Retail Holdings of its Class B common stock and in equal number of Spark HoldCo units it held pursuant to a series of transfers.
The Company and NuDevco Retail and Retailco owned the following economic interests in Spark HoldCo at December 31, 2015 and December 31, 2016, respectively.
Non-controlling Interest Economic Interest



The Company
NuDevco Retail and Retailco (1)
December 31, 2015
22.49
%
77.51
%
December 31, 2016
38.85
%
61.15
%
(1) In January 2016, Retailco succeeded to the interest of NuDevco Retail Holdings of its Class B common stock and in equal number of Spark HoldCo units it held pursuant to a series of transfers.

Schedule of Noncontrolling Interest
The following table summarizes the portion of net income and income tax expense (benefit) attributable to non-controlling interest (in thousands):

2016
2015
 

 
Net income allocated to non-controlling interest
$
52,300

$
21,779

Income tax expense (benefit) allocated to non-controlling interest
1,071

(331
)
Net income attributable to non-controlling interest
$
51,229

$
22,110

Computation of Earnings Per Share
The following table presents the computation of earnings per share for the years ended December 31, 2016 and 2015 (in thousands, except per share data):

Year Ended December 31,
 
2016
2015
Net income attributable to stockholders of Class A common stock
$
14,444

$
3,865

Basic weighted average Class A common shares outstanding
5,701

3,064

Basic EPS attributable to stockholders
$
2.53

$
1.26


 

Net income attributable to stockholders of Class A common stock
$
14,444

$
3,865

Effect of conversion of Class B common stock to shares of Class A common stock


Effect of conversion of convertible subordinated notes into shares of Class B common stock and shares of Class B common stock into shares of Class A common stock
(310
)
(334
)
Diluted net income attributable to stockholders of Class A common stock
$
14,134

$
3,531

Basic weighted average Class A common shares outstanding
5,701

3,064

Effect of dilutive Class B common stock


Effect of dilutive convertible subordinated notes into shares of Class B common stock and shares of Class B common stock into shares of Class A common stock
505

210

Effect of dilutive restricted stock units
139

53

Diluted weighted average shares outstanding
6,345

3,327


 

Diluted EPS attributable to stockholders
$
2.23

$
1.06



Schedule of Variable Interest Entities
The following table includes the carrying amounts and classification of the assets and liabilities of Spark HoldCo that are included in the Company's consolidated balance sheet as of December 31, 2016 (in thousands):

December 31, 2016
Assets
 
Current assets:
 
Cash and cash equivalents
$
18,945

Accounts receivable
112,491

Other current assets
65,866

Total current assets
197,302

Non-current assets:
 
Goodwill
79,147

Other assets
43,991

Total non-current assets
123,138

Total Assets
$
320,440


 
Liabilities
 
Current liabilities:
 
Accounts Payable and Accrued Liabilities
88,547

Intercompany payable with Spark Energy, Inc.
(3,399
)
Current portion of Senior Credit Facility
51,287

Contingent consideration
11,827

Convertible subordinated notes to affiliates
6,582

Other current liabilities
9,932

Total current liabilities
164,776

Long-term liabilities:
 
Subordinated debt—affiliate
5,000

Contingent consideration
10,826

Other long-term liabilities
68

Total long-term liabilities
15,894

Total Liabilities
$
180,670