Business Segment, Geographic and Major Customer Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Financial information regarding reportable segments

Summarized financial information of the reportable segments is as follows (in thousands):

As of and for the three months ended September 30,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Drilling Technologies			Production Technologies			Corporate and Other			Total
2016
Net revenue from external customers	$	45,030	$	19,306	$	7,198		$	2,145		$	—		$	73,679
Gross profit	18,180		4,174		2,908			104			—			25,366
Income (loss) from operations	6,196		2,433		(924		)	(1,118		)	(10,882		)	(4,295		)
Depreciation and amortization	1,582		567		599			220			581			3,549
Total assets	172,456		101,921		67,655			23,235			17,273			382,540
Capital expenditures	2,005		148		234			51			227			2,665
2015
Net revenue from external customers	$	60,181	$	13,867	$	10,812		$	3,082		$	—		$	87,942
Gross profit	24,257		3,082		3,302			586			—			31,227
Income (loss) from operations	14,283		1,728		(2,614		)	(823		)	(9,797		)	2,777
Depreciation and amortization	1,200		548		2,038			212			435			4,433
Total assets	152,430		90,948		110,872			26,564			20,131			400,945
Capital expenditures	1,467		18		—			107			523			2,115

As of and for the nine months ended September 30,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Drilling Technologies			Production Technologies			Corporate and Other			Total
2016
Net revenue from external customers	$	133,094	$	59,133	$	20,026		$	6,034		$	—		$	218,287
Gross profit	54,609		13,256		6,150			201			—			74,216
Income (loss) from operations	21,793		8,508		(43,493		)	(7,810		)	(32,031		)	(53,033		)
Depreciation and amortization	4,063		1,685		3,027			660			1,634			11,069
Total assets	172,456		101,921		67,655			23,235			17,273			382,540
Capital expenditures	8,704		494		717			286			1,420			11,621
2015
Net revenue from external customers	$	163,296	$	42,808	$	41,840		$	9,402		$	—		$	257,346
Gross profit	60,784		10,914		13,396			1,912			—			87,006
Income (loss) from operations	32,995		6,792		(24,551		)	(2,958		)	(29,398		)	(17,120		)
Depreciation and amortization	3,578		1,649		6,575			535			1,276			13,613
Total assets	152,430		90,948		110,872			26,564			20,131			400,945
Capital expenditures	5,910		46		2,744			883			1,495			11,078

Revenue by geographic location

Revenue by geographic location is as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
U.S.	$	58,183	$	73,796	$	169,991	$	211,242
Other countries	15,496		14,146		48,296		46,104
Total	$	73,679	$	87,942	$	218,287	$	257,346

Revenue by major customer

Revenue from major customers, as a percentage of consolidated revenue, is as follows:

	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
Customer A	12.9	%	12.8	%	11.9	%	11.7	%
Customer B	10.9	%	11.3	%	15.8	%	14.3	%
Customer C	*		11.6	%	*		*