Segments

We evaluate business segment performance based on income (loss) before income taxes exclusive of corporate general and administrative costs and interest expense, which are not allocated to the segments. Our business is comprised of three operating divisions, which we consider to be operating and reportable segments of our operations: (1) the Northeast division comprising the Marcellus and Utica Shale areas, (2) the Southern division comprising the Haynesville Shale area and (3) the Rocky Mountain division comprising the Bakken Shale area. Corporate/Other includes certain corporate costs and certain other corporate assets.

Financial information for our reportable segments related to operations is presented below.



	Rocky Mountain			Northeast			Southern			Corporate/ Other			Total
Three months ended March 31, 2020
Revenue	$	23,468		$	9,794		$	4,680		$	—		$	37,942
Direct operating expenses	19,551			8,371			3,554			—			31,476
General and administrative expenses	1,489			634			270			2,531			4,924
Depreciation and amortization	3,465			2,551			1,969			4			7,989
Operating loss	(13,220		)	(1,762		)	(4,509		)	(2,535		)	(22,026		)
Loss before income taxes	(13,255		)	(1,875		)	(4,563		)	(3,351		)	(23,044		)

As of March 31, 2020
Total assets (a)	$	75,357		$	60,529		$	65,752		$	12,816		$	214,454
Total assets held for sale	1,100			135			—			778			2,013

Three months ended March 31, 2019
Revenue	$	24,877		$	11,840		$	5,910		$	—		$	42,627
Direct operating expenses	19,828			9,715			3,014			—			32,557
General and administrative expenses	1,046			846			399			3,184			5,475
Depreciation and amortization	4,299			2,664			2,160			12			9,135
Operating (loss) income	(296		)	(1,502		)	337			(3,196		)	(4,657		)
Loss before income taxes	(358		)	(1,595		)	291			(4,614		)	(6,276		)

As of December 31, 2019
Total assets (a)	$	93,504		$	64,023		$	70,841		$	7,731		$	236,099
Total assets held for sale	1,751			135			—			778			2,664

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(a)	Total assets exclude intercompany receivables eliminated in consolidation.