Business Segment, Geographic and Major Customer Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Financial information regarding reportable segments

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

For the three months ended June 30,	Energy Chemistry Technologies			Consumer and Industrial Chemistry Technologies		Corporate and Other			Total
2018
Net revenue from external customers	$	39,546		$	19,540	$	—		$	59,086
Income (loss) from operations	(37,929		)	640		(9,212		)	(46,501		)
Depreciation and amortization	1,797			682		546			3,025
Capital expenditures	1,167			187		87			1,441
2017
Net revenue from external customers	$	65,875		$	19,302	$	—		$	85,177
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

For the six months ended June 30,	Energy Chemistry Technologies			Consumer and Industrial Chemistry Technologies		Corporate and Other			Total
2018
Net revenue from external customers	$	80,615		$	38,987	$	—		$	119,602
Income (loss) from operations	(38,095		)	3,078		(18,269		)	(53,286		)
Depreciation and amortization	3,566			1,351		1,110			6,027
Capital expenditures	2,178			596		453			3,227
2017
Net revenue from external customers	$	126,640		$	38,491	$	—		$	165,131
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

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

	June 30, 2018		December 31, 2017
Energy Chemistry Technologies	$	130,673	$	172,799
Consumer and Industrial Chemistry Technologies	133,543		116,600
Corporate and Other	14,577		35,491
Total segments	278,793		324,890
Held for sale	2,250		4,998
Total assets	$	281,043	$	329,888

Revenue by geographic location

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

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
U.S.	$	46,602	$	71,836	$	92,646	$	136,485
Other countries	12,484		13,341		26,956		28,646
Total	$	59,086	$	85,177	$	119,602	$	165,131

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,
	2018		2017		2018	2017
Customer A	*		13.3	%	*	12.7	%
Customer B	*		10.1	%	*	*
Customer C	12.2	%	*		*	*

* This customer did not account for more than 10% of revenue.