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(Loss) Earnings Per Common Share | 3 Months Ended
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Mar. 31, 2025
Earnings Per Share [Abstract] |
(Loss) Earnings Per Common Share | (Loss) Earnings Per Common Share (Share amounts in thousands) The following table sets forth the computation of basic and diluted (loss) earnings per common share for the periods indicated:
|  | Three Months Ended March 31, |  |
|  | 2025 |  | 2024 |  |  |  |
Numerator for basic and diluted (loss) earnings per common share: |  |  |  |  |  |  |  |
Net (loss) income attributable to L.B. Foster Company |  | $ | (2,110) |  |  | $ | 4,436 |  |  |  |  |
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding |  | 10,540 |  |  | 10,762 |  |  |  |  |
Denominator for basic earnings per common share |  | 10,540 |  |  | 10,762 |  |  |  |  |
Effect of dilutive securities: |  |  |  |  |  |  |  |
Stock compensation plans |  | — |  |  | 223 |  |  |  |  |
Dilutive potential common shares |  | — |  |  | 223 |  |  |  |  |
Denominator for diluted (loss) earnings per common share - adjusted weighted average shares outstanding |  | 10,540 |  |  | 10,985 |  |  |  |  |
Basic (loss) earnings per common share |  | $ | (0.20) |  |  | $ | 0.41 |  |  |  |  |
Diluted (loss) earnings per common share |  | $ | (0.20) |  |  | $ | 0.40 |  |  |  |  |
There were 498 anti-dilutive shares for the three months ended March 31, 2025.

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