Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2026

Segment Reporting [Abstract]

Schedule of Financial Information by Segment

The following tables present a summary of the Company’s financial information by segment, including significant segment expenses,

and corporate operating expenses.


	Three Months Ended June 30, 2026								Six Months Ended June 30, 2026
	Desalination		Wastewater		Corporate and Other		Total		Desalination		Wastewater		Corporate and Other		Total
	(In thousands)
Revenue	$11,483		$513		$—		$11,996		$20,390		$1,114		$198		$21,702
Cost of revenue	2,781		258		—		3,039		7,723		628		60		8,411
Restructuring - inventory reserve	—		—		—		—		—		—		1,632		1,632
Gross profit (loss)	8,702		255		—		8,957		12,667		486		(1,494)		11,659

Operating expenses
General and administrative	1,025		872		4,904		6,801		1,781		1,853		9,622		13,256
Sales and marketing	2,453		1,209		674		4,336		4,938		2,372		2,145		9,455
Research and development	2,391		262		196		2,849		4,007		398		1,233		5,638
Restructuring charges	—		—		855		855		335		18		2,038		2,391
Impairment of goodwill	—		—		—		—		—		—		1,662		1,662
Total operating expenses	5,869		2,343		6,629		14,841		11,061		4,641		16,700		32,402
Operating income (loss)	$2,833		$(2,088)		$(6,629)		$(5,884)		$1,606		$(4,155)		$(18,194)		$(20,743)


	Three Months Ended June 30, 2025								Six Months Ended June 30, 2025
	Desalination		Wastewater		Corporate and Other		Total		Desalination		Wastewater		Corporate and Other		Total
	(In thousands)
Revenue	$25,500		$2,339		$212		$28,051		$33,259		$2,644		$213		$36,116
Cost of revenue	9,259		667		171		10,097		12,641		846		217		13,704
Gross profit (loss)	16,241		1,672		41		17,954		20,618		1,798		(4)		22,412

Operating expenses
General and administrative	788		535		6,346		7,669		1,633		1,263		13,347		16,243
Sales and marketing	2,183		1,097		2,080		5,360		4,291		2,134		3,841		10,266
Research and development	1,370		234		1,847		3,451		2,219		563		3,670		6,452
Restructuring charges	—		—		—		—		107		103		329		539
Total operating expenses	4,341		1,866		10,273		16,480		8,250		4,063		21,187		33,500
Operating income (loss)	$11,900		$(194)		$(10,232)		$1,474		$12,368		$(2,265)		$(21,191)		$(11,088)