Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted loss per share is determined using the following information:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Numerator:
Net loss attributable to Charah Solutions, Inc.	$	(4,216)	$	(3,313)	$	(22,002)	$	(24,158)
Deemed and imputed dividends on Series A Preferred Stock	(147)		—		(314)		—
Series A Preferred Stock dividends	(877)		—		(1,846)		—
Net loss attributable to common stockholders	(5,240)		(3,313)		(24,162)		(24,158)
Denominator:
Weighted-average shares outstanding	29,986		29,605		29,853		29,452
Dilutive share-based awards	—		—		—		—
Total weighted-average shares outstanding, including dilutive shares	29,986		29,605		29,853		29,452
Basic loss per share	$	(0.17)	$	(0.11)	$	(0.81)	$	(0.82)
Diluted loss per share	$	(0.17)	$	(0.11)	$	(0.81)	$	(0.82)

Schedule of Antidilutive Securities Excluded from Computation

A summary of securities excluded from the computation of diluted earnings per share is presented below:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2020	2019	2020	2019
Diluted earnings per share:
Anti-dilutive restricted and performance stock units	1,679	1,510	1,494	1,299
Anti-dilutive Series A Preferred Stock convertible into common stock	9,751	—	6,959	—
Potentially dilutive securities, excluded as anti-dilutive	11,430	1,510	8,453	1,299