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SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Summary of the Company's Segment Net Sales, Gross Profit and Income Before Income Taxes

Summarized below are the Company’s segment net sales, gross profit and income before income taxes for the years ended December 31, 2021, 2020 and 2019 based on the current reporting segment structure.

		Years Ended December 31,
						% of									% of									% of
Sales by Segment		2021				Net Sales					2020				Net Sales					2019				Net Sales
		(in thousands, except percentages)
Equipment		$	2,323				15		%		$	12,385				51		%		$	43,722				67		%
Services			13,598				85		%			11,925				49		%			21,901				33		%
Total		$	15,921			100			%		$	24,310			100			%		$	65,623			100			%

		Years Ended December 31,
						Gross Profit									Gross Profit									Gross Profit
Gross profit (loss)by Segment		2021				%					2020				%					2019				%
		(in thousands, except percentages)
Equipment		$	(4,358	)			(188	)	%		$	1,237				10		%		$	14,156				32		%
Services			3,283				24		%			2,292				19		%			10,001				46		%
Total		$	(1,075	)			(7	)	%		$	3,529				15		%		$	24,157				37		%

		Years ended December 31,
Segment income (loss) and Loss before income taxes		2021				2020				2019
		(in thousands)
Equipment		$	(12,868	)		$	(7,640	)		$	51
Services			3,283				2,292				10,001
Total segment income (loss)			(9,585	)			(5,348	)			10,052
General and corporate			7,051				(20,110	)			(13,996	)
Loss before income taxes		$	(2,534	)		$	(25,458	)		$	(3,944	)

Schedule of Sales Data by Geographical Area

Sales are attributed to a geographical area based upon the location of the customer. Sales data by geographical area are as follows:

		Years Ended December 31,
						% of net									% of net									% of net
		2021				Sales					2020				Sales					2019				Sales
		(in thousands, except percentages)
Net Sales by Region
China		$	1,858				11		%		$	2,286				10		%		$	2,439				4		%
India			8,221				52		%			9,807				40		%			37,206				57		%
Japan			5,842				37		%			12,208				50		%			21,761				33		%
Taiwan		—				—			%		—				—			%			3,515				5		%
Other		—				—			%			9			—			%			702				1		%
Total		$	15,921				100		%		$	24,310				100		%		$	65,623				100		%

Schedule of Long-lived Assets, Consisting of Property, Plant and Equipment, by Geographical Area

Long-lived assets, consisting of property, plant and equipment, by geographical area are as follows:

		December 31,
		2021				2020
China		$	528			$	565
Other			74				55
Total long-lived assets		$	602			$	620

X

- Definition

Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.

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Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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