CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	[1]
Cash flows from operating activities:
Net income	$ 26,478	$ 16,968
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization expense	13,033	10,316
Deferred income taxes	1,556	277
Stock based compensation	2,441	1,159
Amortization of deferred financing costs	235	101
Change in fair value of CenStar Earnout	1,000	0
Bad debt expense	462	4,179
Loss on derivatives, net	4,339	6,179
Current period cash settlements on derivatives, net	(15,828)	(9,076)
Accretion of discount to convertible subordinated notes to affiliate	71	0
Interest paid in kind - subordinated convertible notes	155	0
Income on equity method investment in eREX Spark Marketing Joint Venture	(104)	0
Changes in assets and liabilities:
Decrease in restricted cash	0	707
Decrease in accounts receivable	16,797	19,608
Decrease in accounts receivable—affiliates	830	698
Decrease in inventory	1,837	5,087
Increase in customer acquisition costs	(5,104)	(11,900)
Decrease in prepaid and other current assets	1,881	5,610
Increase in intangible assets—customer relationships	0	(2,720)
Decrease in other assets	535	457
Decrease in accounts payable and accrued liabilities	(5,002)	(12,087)
Increase (decrease) in accounts payable—affiliates	28	(228)
Decrease in other current liabilities	(414)	(1,195)
(Decrease) increase in other non-current liabilities	(1,612)	1,553
Net cash provided by operating activities	43,614	35,693
Cash flows from investing activities:
Purchases of property and equipment	(1,449)	(892)
Investment in eREX Spark Marketing Joint Venture	(413)	0
Net cash used in investing activities	(1,862)	(892)
Cash flows from financing activities:
Borrowings on the Senior Credit Facility	0	6,000
Payments on the Senior Credit Facility	(25,152)	(30,000)
Contributions from NuDevco	0	129
Proceeds from disgorgement of stockholders short-swing profits	580	0
Restricted stock vesting	(909)	(270)
Excess tax benefit related to restricted stock vesting	141	0
Payment of dividends to Class A common stockholders	(3,657)	(2,210)
Payment of distributions to non-controlling unitholders	(9,967)	(7,794)
Net cash used in financing activities	(38,964)	(34,145)
Increase in cash and cash equivalents	2,788	656
Cash and cash equivalents—beginning of period	4,474	4,359
Cash and cash equivalents—end of period	7,262	5,015
Non-cash items:
Liability due to tax receivable agreement	(27,462)	0
Tax benefit from tax receivable agreement	31,490	0
Construction in process accrual	22	179
Cash paid during the period for:
Interest	944	598
Taxes	$ 1,892	$ 150

[1] Financial information has been recast to include results attributable to the acquisition of Oasis Power Holdings LLC from an affiliate on May 12, 2015. See Note 2 "Basis of Presentation" for further discussion.