Business Segment, Geographic and Major Customer Information (Tables)

6 Months Ended

Jun. 30, 2017

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		Corporate and Other			Total
2017
Net revenue from external customers	$	65,875	$	19,302	$	—		$	85,177
Gross profit	22,804		3,287		—			26,091
Income (loss) from operations	9,299		1,216		(11,767		)	(1,252		)
Depreciation and amortization	1,795		583		613			2,991
Capital expenditures	1,956		397		278			2,631
2016
Net revenue from external customers	$	43,385	$	20,694	$	—		$	64,079
Gross profit	17,660		4,058		—			21,718
Income (loss) from operations	7,584		2,686		(10,114		)	156
Depreciation and amortization	1,237		608		557			2,402
Capital expenditures	3,685		204		559			4,448

As of and for the six months ended June 30,	Energy Chemistry Technologies		Consumer and Industrial Chemistry Technologies		Corporate and Other			Total
2017
Net revenue from external customers	$	126,640	$	38,491	$	—		$	165,131
Gross profit	45,106		8,727		—			53,833
Income (loss) from operations	17,848		4,921		(24,643		)	(1,874		)
Depreciation and amortization	3,644		1,162		1,217			6,023
Capital expenditures	2,470		897		1,141			4,508
2016
Net revenue from external customers	$	88,064	$	39,826	$	—		$	127,890
Gross profit	36,429		9,082		—			45,511
Income (loss) from operations	15,597		6,075		(21,148		)	524
Depreciation and amortization	2,480		1,118		1,053			4,651
Capital expenditures	6,699		346		1,193			8,238

Assets of the Company by reportable segments are as follows (in thousands):

	June 30, 2017		December 31, 2016
Energy Chemistry Technologies	$	195,963	$	184,328
Consumer and Industrial Chemistry Technologies	117,037		98,105
Corporate and Other	38,980		56,882
Total segments	351,980		339,315
Held for sale	7,197		43,900
Total assets	$	359,177	$	383,215

Revenue by geographic location

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

	Three months ended June 30,				Six months ended June 30,
	2017		2016		2017		2016
U.S.	$	71,836	$	49,381	$	136,485	$	101,987
Other countries	13,341		14,698		28,646		25,903
Total	$	85,177	$	64,079	$	165,131	$	127,890

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,
	2017		2016		2017		2016
Customer A	13.3	%	17.5	%	12.7	%	20.7	%
Customer B	10.1	%	13.3	%	9.9	%	12.8	%