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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Summary of Earnings (Loss) Per Share Calculation
The following table summarizes the earnings (loss) per share calculation:
For the Quarter Ended
March 31,
2024
March 26,
2023
Net loss attributable to Potbelly Corporation$(2,767)$(1,327)
Weighted average common stock outstanding-basic29,551 28,907 
Plus: Effect of potentially dilutive stock-based compensation awards— — 
Plus: Effect of potential warrant exercise— — 
Weighted average common shares outstanding-diluted29,551 28,907 
Income per share available to common stockholders-basic
$(0.09)$(0.05)
Income per share available to common stockholders-diluted
$(0.09)$(0.05)
Potentially dilutive shares that are considered anti-dilutive:
Shares1,326 2,831 
Warrants883 —