Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted earnings (loss) per common share for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Numerator for basic and diluted earnings per common share:
Net income (loss) attributable to L.B. Foster Company	$	515	$	(2,077)	$	1,894	$	(1,633)
Denominator:
Weighted average shares outstanding	10,813		10,731		10,804		10,710
Denominator for basic earnings (loss) per common share	10,813		10,731		10,804		10,710
Effect of dilutive securities:
Stock compensation plans	160		—		91		—
Dilutive potential common shares	160		—		91		—
Denominator for diluted earnings (loss) per common share - adjusted weighted average shares outstanding	10,973		10,731		10,895		10,710
Basic earnings (loss) per common share	$	0.05	$	(0.20)	$	0.18	$	(0.16)
Diluted earnings (loss) per common share	$	0.05	$	(0.20)	$	0.17	$	(0.16)