Segment Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of Financial Information for Operating Segments

Summarized financial information for the Company’s operating segments for the two-year period ended December 31, 2018 is shown in the following tables.  Intersegment sales are not material.

	Oilfield and Industrial Technologies and Services			Environmental Technologies and Services			Total
	($ in thousands)
2018
Revenue from external customers	$	178,609		$	32,136		$	210,745
(Loss) income before income taxes		(77,264	)		2,723			(74,541	)
Total assets		456,416			17,950			474,366
Capital expenditures		1,093			946			2,039
Depreciation and amortization		33,452			1,153			34,605
2017
Revenue from external customers	$	165,557		$	23,199		$	188,756
Loss before income taxes		(255,097	)		(46	)		(255,143	)
Total assets		524,952			15,646			540,598
Capital expenditures		2,371			227			2,598
Depreciation and amortization		43,005			1,277			44,282

Geographic Information for Long-Lived Assets and Revenues in United States and other Countries

Long-lived assets, consisting of net property, plant and equipment and other long-term assets, as of December 31 in the United States and other countries are as follows:

	2018		2017
Long-lived assets:
United States	$	272,903	$	326,665
International		5,910		6,482
Total	$	278,813	$	333,147

Revenues for the years ended December 31 in the United States, Canada and other countries are as follows:

	2018		2017
Revenues:
United States	$	171,167	$	149,041
Canada		6,086		7,439
Other international		33,492		32,276
Total	$	210,745	$	188,756

Schedule of Total Revenue from Major Customers

The following schedule presents customers, primarily from the Oilfield and Industrial Technologies and Services segment, from whom the Company derived 10% or more of total revenues for the years ended December 31:

	A			B
2018		12.7	%		13.7	%
2017		16.1	%		10.2	%