SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023, 2022 and 2021 based on the current reporting segment structure.

	Years Ended December 31,
			% of					% of					% of
Net Sales by Segment	2023		Net Sales			2022		Net Sales			2021		Net Sales
	(in thousands, except percentages)
Equipment	$	4,594		29	%	$	2,284		16	%	$	2,323		15	%
Services		11,159		71	%		11,768		84	%		13,598		85	%
Total	$	15,753		100	%	$	14,052		100	%	$	15,921		100	%

	Years Ended December 31,
			Gross Profit						Gross Profit							Gross Profit
Gross profit (loss) by Segment	2023		%			2022			%				2021			%
	(in thousands, except percentages)
Equipment	$	928		20	%	$	(618	)		(27	)	%	$	(4,358	)		(188	)	%
Services		3,462		31	%		3,285			28		%		3,283			24		%
Total	$	4,390		28	%	$	2,667			19		%	$	(1,075	)		(7	)	%

	Years ended December 31,
Segment income (loss) and Loss before income taxes	2023			2022			2021
	(in thousands)
Equipment	$	(4,666	)	$	(6,452	)	$	(12,868	)
Services		3,462			3,285			3,283
Total segment loss		(1,204	)		(3,167	)		(9,585	)
General and corporate		(1,373	)		228			7,051
Loss before income taxes	$	(2,577	)	$	(2,939	)	$	(2,534	)

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
	2023		Sales			2022		Sales			2021		Sales
	(in thousands, except percentages)
Net Sales by Region
China	$	2,577		16	%	$	1,735		12	%	$	1,858		11	%
India		8,268		53	%		7,152		51	%		8,221		52	%
Japan		4,908		31	%		5,165		37	%		5,842		37	%
Total	$	15,753		100	%	$	14,052		100	%	$	15,921		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,
	2023		2022
	(in thousands)
China	$	603	$	578
Other		7		26
Total long-lived assets	$	610	$	604