Operating Segments (Tables)

6 Months Ended

Jun. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

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.

Schedule of Depreciation and Amortization

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

Schedule of Capital Expenditures

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

Schedule of Capital Expenditures


		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2025				2024				2025				2024
Treatment		$	893			$	457			$	1,380			$	617
Services			16				140				52				224
Total segment			909				597				1,432				841
Corporate			—				—				—				—
Total		$	909	⁽¹⁾		$	597	⁽²⁾		$	1,432	⁽¹⁾		$	841	⁽²⁾
Capital expenditures		$	909	⁽¹⁾		$	597	⁽²⁾		$	1,432	⁽¹⁾		$	841	⁽²⁾

⁽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.