Business Acquisitions (Tables)

12 Months Ended

Dec. 31, 2020

Business Acquisition [Line Items]

Summary of Elements of Purchase Price of Acquisitions

The following table summarizes the elements of purchase price of the acquisitions completed during 2020:

	Cash		Common Stock		Other Purchase Price Component Current			Other Purchase Price Component Long Term		Contingent Consideration Current		Contingent Consideration Long Term		Total Purchase Price
CTEH	$	175,000	$	25,000	$	(1,939	)	$	—	$	34,451	$	10,543	$	243,055
All other acquisitions		450		—		50			100		210		—		810
	$	175,450	$	25,000	$	(1,889	)	$	100	$	34,661	$	10,543	$	243,865

The following table summarizes the elements of purchase price of the 2019 acquisitions:

	Cash		Common Stock		Other Purchase Price Components			Contingent Consideration		Total Purchase Price
ECT2	$	54,037	$	—	$	(220	)	$	—	$	53,817
All other acquisitions		33,248		4,047		1,670			5,401		44,366
	$	87,285	$	4,047	$	1,450		$	5,401	$	98,183

 The following table summarizes the elements of purchase price of the 2018 acquisitions:

	Cash		Common Stock		Other Purchase Price Components			Contingent Consideration		Total Purchase Price
SES	$	450	$	—	$	50		$	—	$	500
FA		1,096		—		360			372		1,828
AGC		7,400		925		95			871		9,291
Streamline		5,678		631		180			—		6,489
Leymaster		2,465		435		250			434		3,584
AES		21,877		2,028		(16	)		1,274		25,163
EPS		9,995		1,615		(71	)		—		11,539
Total	$	48,961	$	5,634	$	848		$	2,951	$	58,394

Summary of Purchase Price Attributable to Acquisitions

The purchase price attributable to the acquisitions was allocated as follows:

	ECT2		All Other Acquisitions		Total
Cash	$	3,149	$	2,137	$	5,286
Restricted cash		629		—		629
Accounts receivable		1,707		3,751		5,458
Other current assets		498		61		559
Current assets		5,983		5,949		11,932
Property and equipment		776		3,288		4,064
Customer relationships		13,840		12,748		26,588
Trade names		1,008		659		1,667
Covenants not to compete		3,360		2,083		5,443
Proprietary software		—		2,560		2,560
Patent		17,479		—		17,479
Goodwill		16,395		20,227		36,622
Total assets		58,841		47,514		106,355
Current liabilities		5,024		977		6,001
Non- current liabilities		—		2,171		2,171
Total liabilities		5,024		3,148		8,172
Purchase price	$	53,817	$	44,366	$	98,183

Summary of Supplemental Unaudited Pro-Forma Information

The unaudited consolidated financial information summarized in the following table gives effect to the 2020, 2019, and 2018 acquisitions assuming they occurred on January 1, 2018. These unaudited consolidated pro forma operating results do not assume any impact from revenue, cost or other operating synergies that are expected as a result of the acquisitions. These unaudited consolidated pro forma operating results include the results from Discontinued Service Lines through the date of discontinuance. These unaudited consolidated pro forma operating results are presented for illustrative purposes only and arenot indicative of the operating results that would have been achieved had the acquisitions occurred on January 1, 2018, nor does the information project results for any future period.

	As reported			Acquisitions Pro-Forma (Unaudited)		Consolidated Pro-Forma (Unaudited)
2020
Revenues	$	328,243		$	31,253	$	359,496
Net (loss) income		(57,949	)		10,288		(47,661	)
2019
Revenues		233,854			135,565		369,419
Net (loss) income		(23,557	)		38,903		15,346
2018
Revenues		188,805			116,873		305,678
Net (loss) income		(16,491	)		24,486		7,995

CTEH

Business Acquisition [Line Items]

Summary of Purchase Price Attributable to Acquisitions

The purchase price attributable to the acquisitions was allocated as follows:

	CTEH		All Other Acquisitions		Total
Cash	$	1,527	$	—	$	1,527
Accounts receivable		17,059		—		17,059
Other current assets		1,265		—		1,265
Current assets		19,851		—		19,851
Property and equipment		7,042		75		7,117
Customer relationships		56,000		—		56,000
Trade names		4,200		—		4,200
Covenants not to compete		4,000		109		4,109
Proprietary software		14,700		—		14,700
Goodwill		146,983		626		147,609
Total assets		252,776		810		253,586
Current liabilities		9,721		—		9,721
Total liabilities		9,721		—		9,721
Purchase price	$	243,055	$	810	$	243,865