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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 30, 2025
Earnings Per Share [Abstract] |
Summary of Earnings Per Share Calculation | The following table summarizes the earnings per share calculation:
| For the Quarter Ended |  |
| March 30, 2025 |  | March 31, 2024 |  |  |  |
Net loss attributable to Potbelly Corporation | $ | (62) |  |  | $ | (2,767) |  |  |  |  |
Weighted average common stock outstanding-basic | 29,893 |  |  | 29,551 |  |  |  |  |
Plus: Effect of potentially dilutive stock-based compensation awards | — |  |  | — |  |  |  |  |
Plus: Effect of potential warrant exercise | — |  |  | — |  |  |  |  |
Weighted average common shares outstanding-diluted | 29,893 |  |  | 29,551 |  |  |  |  |
Loss per share available to common stockholders-basic | $ | (0.00) |  |  | $ | (0.09) |  |  |  |  |
Loss per share available to common stockholders-diluted | $ | (0.00) |  |  | $ | (0.09) |  |  |  |  |
Potentially dilutive shares that are considered anti-dilutive: |  |  |  |  |  |  |
Shares | 1,345 |  |  | 1,326 |  |  |  |  |
Warrants | 817 |  |  | 883 |  |  |  |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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