Operating Segments (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting for the Three Months Ended June 30, 2025


	Treatment			Services			Segments Total			Corporate ⁽¹⁾			Consolidated Total
Revenue from external customers	$	11,397		$	3,189		$	14,586		$	—		$	14,586
Cost of Goods Sold:
Payroll and benefits expenses		4,742			1,874			6,616			—			6,616
Material and supplies expenses		1,235			—			1,235			—			1,235
Disposal expenses		1,095			—			1,095			—			1,095
Transportation expenses		366			—			366			—			366
Subcontract expenses		—			158			158			—			158
Other cost of goods sold ⁽²⁾		2,393			1,176			3,569			—			3,569
Total cost of goods sold		9,831			3,208			13,039			—			13,039
Gross profit (loss)		1,566			(19	)		1,547			—			1,547
Selling, general and administrative expenses (“SG&A”):
Payroll and benefits		942			647			1,589			940			2,529
Other SG&A ⁽³⁾		408			176			584			1,017			1,601
Total SG&A		1,350			823			2,173			1,957			4,130
Research and development		232			4			236			76			312
Gain on disposal of property and equipment		(1	)		—			(1	)		—			(1	)
Loss from operations	$	(15	)	$	(846	)	$	(861	)	$	(2,033	)		(2,894	)
Interest income														301
Interest expense														(124	)
Interest expense-financing fees														(21	)
Other income														155
Loss from continuing operations before taxes														(2,583	)
Income tax expense														—
Loss from continuing operations, net of taxes													$	(2,583	)

Segment Reporting for the Three Months Ended June 30, 2024


	Treatment			Services			Segments Total			Corporate ⁽¹⁾			Consolidated Total
Revenue from external customers	$	8,343		$	5,643		$	13,986		$	—		$	13,986
Cost of goods sold:
Payroll and benefit expenses		3,943			1,977			5,920			—			5,920
Material and supplies expenses		1,078			—			1,078			—			1,078
Disposal expenses		1,854			—			1,854			—			1,854
Transportation expenses		217			—			217			—			217
Subcontract expenses		—			2,554			2,554			—			2,554
Other cost of goods sold ⁽²⁾		2,448			1,221			3,669			—			3,669
Total cost of goods sold		9,540			5,752			15,292			—			15,292
Gross loss		(1,197	)		(109	)		(1,306	)		—			(1,306	)
SG&A:
Payroll and benefits		732			501			1,233			835			2,068
Other SG&A ⁽³⁾		343			165			508			879			1,387
Total SG&A		1,075			666			1,741			1,714			3,455
Research and development		186			24			210			63			273
Loss on disposal of property and equiment		—			1			1			—			1
Loss from operations	$	(2,458	)	$	(800	)	$	(3,258	)	$	(1,777	)		(5,035	)
Interest income														213
Interest expense														(109	)
Interest expense-financing fees														(16	)
Other income														1
Loss from continuing operations before taxes														(4,946	)
Income tax benefit														(1,161	)
Loss from continuing operations, net of taxes													$	(3,785	)

Segment Reporting for the Six Months Ended June 30, 2025


	Treatment			Services			Segments Total			Corporate⁽¹⁾			Consolidated Total
Revenue from external customers	$	20,583		$	7,922		$	28,505		$	—		$	28,505
Cost of Goods Sold:
Payroll and benefits expenses		9,179			3,887			13,066			—			13,066
Material and supplies expenses		2,586			—			2,586			—			2,586
Disposal expenses		1,316			—			1,316			—			1,316
Transportation expenses		861			—			861			—			861
Subcontract expenses		—			1,066			1,066			—			1,066
Other cost of goods sold ⁽²⁾		4,825			2,581			7,406			—			7,406
Total cost of goods sold		18,767			7,534			26,301			—			26,301
Gross profit		1,816			388			2,204			—			2,204
SG&A:
Payroll and benefits		1,815			1,185			3,000			1,871			4,871
Other SG&A ⁽³⁾		891			374			1,265			2,009			3,274
Total SG&A		2,706			1,559			4,265			3,880			8,145
Research and development		523			27			550			145			695
Gain on disposal of property and equipment		(1	)		(5	)		(6	)		—			(6	)
Loss from operations	$	(1,412	)	$	(1,193	)	$	(2,605	)	$	(4,025	)		(6,630	)
Interest income														636
Interest expense														(236	)
Interest expense-financing fees														(41	)
Other income														188
Loss from continuing operations before taxes														(6,083	)
Income tax expense														—
Loss from continuing operations, net of taxes													$	(6,083	)

Segment Reporting for the Six Months Ended June 30, 2024


	Treatment			Services			Segments Total			Corporate⁽¹⁾			Consolidated Total
Revenue from external customers	$	17,052		$	10,551		$	27,603		$	—		$	27,603
Cost of goods sold:
Payroll and benefit expenses		7,695			4,429			12,124			—			12,124
Material and supplies expenses		1,841			—			1,841			—			1,841
Disposal expenses		3,423			—			3,423			—			3,423
Transportation expenses		515			—			515			—			515
Subcontract expenses		—			4,364			4,364			—			4,364
Other cost of goods sold ⁽²⁾		4,827			2,435			7,262			—			7,262
Total cost of goods sold		18,301			11,228			29,529			—			29,529
Gross loss		(1,249	)		(677	)		(1,926	)		—			(1,926	)
SG&A:
Payroll and benefits		1,402			1,156			2,558			1,669			4,227
Other SG&A ⁽³⁾		738			302			1,040			1,732			2,772
Total SG&A		2,140			1,458			3,598			3,401			6,999
Research and development		404			52			456			113			569
Loss on disposal of property and equiment		—			1			1			—			1
Loss from operations	$	(3,793	)	$	(2,188	)	$	(5,981	)	$	(3,514	)		(9,495	)
Interest income														387
Interest expense														(225	)
Interest expense-financing fees														(29	)
Other income														2
Loss from continuing operations before taxes														(9,360	)
Income tax benefit														(2,117	)
Loss from continuing operations, net of taxes													$	(7,243	)

⁽¹⁾	Amounts reflect the activity for corporate headquarters not included in the segment reporting information.
⁽²⁾	Other cost of goods sold for each reportable segment includes: Treatment - lab, regulatory, repair and maintenance, depreciation and amortization, travel, outside services and general expenses. Services - material and supplies, disposal, transportation, lab, regulatory, repair and maintenance, depreciation and amortization, travel, outside services and general expenses.
⁽³⁾	Other SG&A for each reportable segment and Corporate includes:
	Treatment-depreciation and amortization, travel, outside services, repair and maintenance and general expenses.
	Services- travel, outside services, repair and maintenance and general expenses.
	Corporate-repair and maintenance, depreciation and amortization, travel, public company, outside services and general expenses.

The following table presents depreciation and amortization for the three and six months ended June 30, (in thousand):


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2025		2024		2025		2024
Treatment	$	389	$	367	$	771	$	733
Services		38		44		81		89
Total segment		427		411		852		822
Corporate		10		19		21		40
Total	$	437	$	430	$	873	$	862
Depreciation and amortization	$	437	$	430	$	873	$	862

The following table presents capital expenditures for the three and six months ended June 30, (in thousand):

Schedule of Capital Expenditures

⁽¹⁾

Net of financed amount of $0 and $132 for the three and six months ended June 30, 2025, respectively.

⁽²⁾

Net of financed amount of $0 and $44 for the three and six months ended June 30, 2024, respectively.