Segment and Geographic Location Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Components of Segment Revenues and Adjusted EBITDA

Segment revenues and Adjusted EBITDA consisted of the following:

	Three Months Ended March 31,
	2024					2023
			Segment					Segment
	Segment		Adjusted			Segment		Adjusted
	Revenues		EBITDA			Revenues		EBITDA
Assessment, Permitting and Response	$	58,580	$	16,280		$	52,214	$	14,266
Measurement and Analysis		45,494		6,504			42,527		6,387
Remediation and Reuse		51,251		5,012			36,687		5,278
Total Operating Segments		155,325		27,795			131,428		25,931
Corporate and Other		—		(10,873	)		—		(9,328	)
Total	$	155,325	$	16,922		$	131,428	$	16,603

Reconciliation of Segment Measure to Net Loss

Presented below is a reconciliation of the Company’s segment measure of profit and loss to net loss:

	For the Three Months Ended March 31,
	2024				2023
Total	$	16,922			$	16,603
Interest expense, net		(3,306	)			(1,541	)
Income tax expense		(493	)			(1,367	)
Depreciation and amortization		(11,653	)			(10,555	)
Stock-based compensation		(11,272	)			(13,035	)
Acquisition costs		(2,525	)			(775	)
Fair value changes in financial instruments		297				(1,873	)
Fair value changes in business acquisition contingencies		(106	)			398
Expenses related to financing transactions		(144	)			(4	)
Discontinued Specialty Lab		(596	)	(1)		(2,436	)	(1)
Other losses and expenses		(481	)	(2)		(134	)
Net loss	$	(13,357	)		$	(14,719	)

_______________________________

(1) Amounts consist of operating losses before depreciation related to the Discontinued Specialty Lab.

(2) Amount consists of costs associated with a lease abandonment.

Schedule of Revenues by Geographic Location

The following table presents revenues by geographic location:

	For the Three Months Ended March 31,
	2024		2023
United States	$	128,842	$	126,801
Canada		21,281		3,880
Other international		5,202		747
Total revenue	$	155,325	$	131,428