Business Segment, Geographic and Major Customer Information (Tables)

3 Months Ended

Mar. 31, 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 March 31,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Drilling Technologies			Production Technologies			Corporate and Other			Total
2016
Net revenue from external customers	$	44,679	$	19,133	$	6,456		$	2,021		$	—		$	72,289
Gross profit	18,769		5,025		1,025			110			—			24,929
Income (loss) from operations	8,013		3,389		(40,951		)	(5,430		)	(11,034		)	(46,013		)
Depreciation and amortization	1,244		510		1,821			218			496			4,289
Total assets	149,006		110,344		68,284			23,682			13,266			364,582
Capital expenditures	3,014		143		238			185			633			4,213
2015
Net revenue from external customers	$	46,643	$	13,463	$	18,694		$	3,573		$	—		$	82,373
Gross profit	16,100		3,706		5,991			730			—			26,527
Income (loss) from operations	6,821		2,381		(637		)	(539		)	(9,315		)	(1,289		)
Depreciation and amortization	1,204		552		2,319			125			370			4,570
Total assets	152,423		92,438		141,229			25,176			3,741			415,007
Capital expenditures	2,361		22		2,124			638			445			5,590

Revenue by geographic location

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

	Three months ended March 31,
	2016		2015
U.S.	$	57,793	$	64,195
Other countries	14,496		18,178
Total	$	72,289	$	82,373

Revenue by major customer

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

	Three months ended March 31,
	2016		2015
Customer A	21.1	%	12.0	%
Customer B	10.9	%	10.3	%