SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2024

Segment Reporting as of and for the year ended December 31, 2024

	Treatment			Services			Segments Total			Corporate ⁽¹⁾			Consolidated Total
Revenue from external customers	$	34,953		$	24,164		$	59,117	(4)(5)	$	—		$	59,117
Cost of Goods Sold:
Payroll and benefits expenses		16,257			9,494			25,751			—			25,751
Material and supplies expenses		4,074			—			4,074			—			4,074
Disposal expenses		5,317			—			5,317			—			5,317
Transportation expenses		1,118			—			1,118			—			1,118
Subcontract expenses		—			7,152			7,152			—			7,152
Other cost of goods sold ⁽²⁾		9,297			6,406			15,703			—			15,703
Total cost of goods sold		36,063			23,052			59,115			—			59,115
Gross (loss) profit		(1,110	)		1,112			2			—			2
Selling, general and administrative expenses (“SG&A”):
Payroll and benefits		2,858			2,413			5,271			3,296			8,567
Other SG&A ⁽³⁾		1,432			892			2,324			3,600			5,924
Total SG&A		4,290			3,305			7,595			6,896			14,491
Research and development		842			111			953			219			1,172
Loss on disposal of property and equipment		18			3			21			—			21
Loss from operations	$	(6,260	)	$	(2,307	)	$	(8,567	)	$	(7,115	)		(15,682	)
Interest income														921
Interest expense														(473	)
Interest expense-financing fees														(66	)
Other income														166
Loss from continuing operations before taxes														(15,134	)
Income tax expense														4,435
Loss from continuing operations, net of taxes													$	(19,569	)

Segment Reporting as of and for the year ended December 31, 2023

	Treatment		Services		Segments Total			Corporate ⁽¹⁾			Consolidated Total
Revenue from external customers	$	43,477	$	46,258		$89,735	(4)(5)	$	—		$	89,735
Cost of goods sold:
Payroll and benefit expenses		14,655		11,800		26,455			—			26,455
Material and supplies expenses		3,747		—		3,747			—			3,747
Disposal expenses		6,576		—		6,576			—			6,576
Transportation expenses		1,457		—		1,457			—			1,457
Subcontract expenses		—		15,555		15,555			—			15,555
Other cost of goods sold ⁽²⁾		10,166		9,410		19,576			—			19,576
Total cost of goods sold		36,601		36,765		73,366			—			73,366
Gross profit		6,876		9,493		16,369			—			16,369
Selling, general and administrative expenses (“SG&A”):
Payroll and benefits		2,438		2,662		5,100			3,812			8,912
Other SG&A ⁽³⁾		1,811		834		2,645			3,418			6,063
Total SG&A		4,249		3,496		7,745			7,230			14,975
Research and development		418		38		456			105			561
Loss on disposal of property and equipment		—		77		77			—			77
Income (loss) from operations	$	2,209	$	5,882	$	8,091		$	(7,335	)		756
Interest income												606
Interest expense												(323	)
Interest expense-financing fees												(93	)
Other expense												(11	)
Income from continuing operations before taxes												935
Income tax expense												17
Income from continuing operations, net of taxes											$	918

⁽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, maintenance, depreciation and amortization, travel, outside services and general expenses.
	Services - material and supplies, disposal and transportation, lab, regulatory, 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, maintenance and general expenses.
	Services- travel, outside services, maintenance and general expenses.
	Corporate-maintenance, depreciation and amortization, travel, public company, outside services and general expenses.

⁽⁴⁾	The Company performed services relating to waste generated by federal government clients, either directly as a prime contractor or indirectly for others as a subcontractor to federal government entities, representing approximately $40,550,000 or 68.6% of total revenue for 2024 and $68,595,000 or 76.4% of total revenue for 2023.

⁽⁵⁾	The following table reflects revenue based on customer location:

The following table presents depreciation and amortization for the years ended December 31, (in thousand):

The following table presents long-lived assets for the Company’s continuing operations for the years ended December 31, (in thousand):