Business Segment, Geographic and Major Customer Information (Tables)

6 Months Ended

Jun. 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 June 30,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Drilling Technologies			Production Technologies			Corporate and Other			Total
2016
Net revenue from external customers	$	43,385	$	20,694	$	6,372		$	1,868		$	—		$	72,319
Gross profit	17,660		4,058		2,217			(14		)	—			23,921
Income (loss) from operations	7,584		2,686		(1,618		)	(1,261		)	(10,114		)	(2,723		)
Depreciation and amortization	1,237		608		607			221			557			3,230
Total assets	151,117		108,935		67,815			23,612			13,865			365,344
Capital expenditures	3,685		204		245			50			559			4,743
2015
Net revenue from external customers	$	56,472	$	15,477	$	12,334		$	2,747		$	—		$	87,030
Gross profit	20,426		4,126		4,103			597			—			29,252
Income (loss) from operations	11,892		2,683		(21,300		)	(1,596		)	(10,287		)	(18,608		)
Depreciation and amortization	1,174		549		2,218			198			471			4,610
Total assets	149,767		98,251		114,481			25,544			15,350			403,393
Capital expenditures	2,075		6		620			138			527			3,366

As of and for the six months ended June 30,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Drilling Technologies			Production Technologies			Corporate and Other			Total
2016
Net revenue from external customers	$	88,064	$	39,827	$	12,828		$	3,889		$	—		$	144,608
Gross profit	36,429		9,082		3,242			96			—			48,849
Income (loss) from operations	15,597		6,075		(42,569		)	(6,691		)	(21,149		)	(48,737		)
Depreciation and amortization	2,480		1,118		2,428			440			1,053			7,519
Total assets	151,117		108,935		67,815			23,612			13,865			365,344
Capital expenditures	6,699		346		483			235			1,193			8,956
2015
Net revenue from external customers	$	103,115	$	28,940	$	31,028		$	6,321		$	—		$	169,404
Gross profit	36,526		7,833		10,094			1,326			—			55,779
Income (loss) from operations	18,713		5,064		(21,937		)	(2,135		)	(19,601		)	(19,896		)
Depreciation and amortization	2,378		1,102		4,537			323			841			9,181
Total assets	149,767		98,251		114,481			25,544			15,350			403,393
Capital expenditures	4,443		28		2,744			776			972			8,963

Revenue by geographic location

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

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
U.S.	$	54,014	$	73,250	$	111,808	$	137,446
Other countries	18,305		13,780		32,800		31,958
Total	$	72,319	$	87,030	$	144,608	$	169,404

Revenue by major customer

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

	Three months ended June 30,				Six months ended June 30,
	2016		2015		2016		2015
Customer A	15.5	%	19.5	%	18.3	%	15.8	%
Customer B	11.8	%	12.1	%	11.3	%	11.2	%