GEOGRAPHIC AND SEGMENT INFORMATION (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Schedule of reporting information by segment

Summarized financial information with respect to reportable segments is as follows:

	Three Months Ended June 30, 2018
(In thousands)	Core		Advanced Energy			OEM		Corporate (Other)			Total
Sales	$	7,784	$	3,113		$	578	$	—		$	11,475
Income (loss) from operations	2,666		(792		)	302		(2,443		)	(267		)
Interest expense, net	—		—			—		(38		)	(38		)
Change in fair value of derivative liabilities	—		—			—		46			46
Income tax expense	—		—			—		13			13
Depreciation and amortization	—		—			—		172			172

	Three Months Ended June 30, 2017
(In thousands)	Core		Advanced Energy			OEM		Corporate (Other)			Total
Sales	$	7,488	$	1,813		$	498	$	—		$	9,799
Income (loss) from operations (1)	2,559		(1,284		)	205		(2,786		)	(1,306		)
Interest expense, net	—		—			—		(36		)	(36		)
Change in fair value of derivative liabilities	—		—			—		38			38
Income tax expense	—		—			—		4			4
Depreciation and amortization	—		—			—		178			178

	Six Months Ended June 30, 2018
(In thousands)	Core		Advanced Energy			OEM		Corporate (Other)			Total
Sales	$	14,303	$	5,742		$	1,346	$	—		$	21,391
Income (loss) from operations	4,522		(1,370		)	708		(4,991		)	(1,131		)
Interest expense, net	—		—			—		(72		)	(72		)
Change in fair value of derivative liabilities	—		—			—		20			20
Income tax expense	—		—			—		24			24
Depreciation and amortization	—		—			—		371			371

	Six Months Ended June 30, 2017
(In thousands)	Core		Advanced Energy			OEM		Corporate (Other)			Total
Sales	$	14,263	$	2,420		$	1,505	$	—		$	18,188
Income (loss) from operations (1)	4,772		(3,103		)	708		(5,420		)	(3,043		)
Interest expense, net	—		—			—		(67		)	(67		)
Change in fair value of derivative liabilities	—		—			—		126			126
Income tax expense	—		—			—		9			9
Depreciation and amortization	—		—			—		356			356

(1) During the first and second quarter of 2017, marketing expenses were presented as attributable only to the Corporate (Other) segment in the line Income (loss) from operations. It was subsequently determined that certain marketing expenses are attributable to specific segments. The disclosure of Income (loss) from operations was updated for the first and second quarter of 2017 to reflect marketing expense by segment.

Schedule of revenue by geographic area

Revenue by geographic region, based on the “ship to” location on the invoice, are as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2018		2017		2018		2017
Sales by Domestic and International
Domestic	$	9,700	$	8,708	$	17,673	$	15,700
International	1,775		1,091		3,718		2,488
Total	$	11,475	$	9,799	$	21,391	$	18,188