Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Gathering and transportation lease revenues	$ 12,318
Total revenues	18,536	$ 25,807
Operating expenses:
Lease operating expenses	1,971	4,983
Transportation operating expenses	2,847	3,296
Cost of sales		37
Production taxes	322	473
General and administrative	5,165	5,609
Unit-based compensation expense	1,438	540
Depreciation, depletion and amortization	6,628	12,181
Asset impairments		4,688
Accretion expense	126	258
Total operating expenses	18,497	32,065
Other (income) expense
Interest expense, net	2,599	1,883
Earnings from equity investments	(4,272)	(482)
Other expense	270
Total other (income) expenses	(1,403)	1,401
Total expenses	17,094	33,466
Income (loss) before income taxes	1,442	(7,659)
Net income (loss)	1,442	(7,659)
Less:
Preferred unit paid-in-kind distributions		(2,625)
Preferred unit distributions	(8,750)	(7,000)
Preferred unit amortization	(531)	(404)
Net loss attributable to common unitholders	$ (7,839)	$ (17,688)
Net loss per unit
Common units - Basic and Diluted (in dollars per share)	$ (0.53)	$ (1.32)
Weighted Average Units Outstanding, Common Units - Basic and Diluted (in units)	14,738,528	13,400,138
Common units
Other (income) expense
Net income (loss)	$ 1,442
Natural gas
Revenues
Revenue from contracts with customers	473	$ 2,779
Oil
Revenues
Revenue from contracts with customers	3,462	11,350
Natural gas liquid
Revenues
Revenue from contracts with customers	595	467
Gathering and transportation
Revenues
Revenue from contracts with customers	$ 1,688	$ 11,211