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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 28, 2014
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | (13) Quarterly Financial Data (Unaudited) The unaudited quarterly information includes all normal recurring adjustments that the Company considers necessary for a fair presentation of the information shown. The Company’s quarterly results have been and will continue to be affected by the timing of new shop openings and their associated pre-opening costs. As a result of these and other factors, the financial results for any quarter may not be indicative of the results for any future period. The following table presents selected unaudited quarterly financial data for periods indicated (in thousands, except per share data):
|  | Fiscal Year 2014 (1) |
|  | March 30 (2) |  |  | June 29 |  |  | September 28 |  |  | December 28 |
Total revenues |  | $ | 73,881 |  |  | $ | 83,620 |  |  | $ | 84,675 |  |  | $ | 84,803 |
(Loss) income from operations |  |  | (441 | ) |  |  | 3,454 |  |  |  | 3,254 |  |  |  | 1,004 |
Net (loss) income attributable to Potbelly Corporation |  |  | (301 | ) |  |  | 2,010 |  |  |  | 1,947 |  |  |  | 702 |
(Loss) income per share available to common stockholders-basic |  |  | (0.01 | ) |  |  | 0.07 |  |  |  | 0.07 |  |  |  | 0.02 |
(Loss) income per share available to common stockholders-diluted |  |  | (0.01 | ) |  |  | 0.07 |  |  |  | 0.06 |  |  |  | 0.02 |
|  | Fiscal Year 2013 (1) (3) |
|  | March 31 |  |  | June 30 |  |  | September 29 |  |  | December 29 |
Total revenues |  | $ | 68,744 |  |  | $ | 78,186 |  |  | $ | 78,021 |  |  | $ | 74,761 |
Income (loss) from operations |  |  | 152 |  |  |  | 4,761 |  |  |  | 3,176 |  |  |  | (6,614 | )
Net income (loss) attributable to Potbelly Corporation |  |  | 18 |  |  |  | 2,759 |  |  |  | 2,165 |  |  |  | (3,684 | )
(Loss) per share available to common stockholders-basic (4) |  |  | (1.74 | ) |  |  | (1.77 | ) |  |  | (12.29 | ) |  |  | (1.93 | )
(Loss) per share available to common stockholders-diluted (4) |  |  | (1.74 | ) |  |  | (1.77 | ) |  |  | (12.29 | ) |  |  | (1.93 | )
(1) | Fiscal years 2014 and 2013 were 52-week years. Each quarter of the fiscal year consists of 13 weeks.
(2) | The 13 weeks ended March 30, 2014 were impacted by significantly adverse weather.
(3) | Fiscal year 2013 includes $10.6 million in one-time costs associated with our IPO, which closed on October 9, 2013. These costs primarily consist of one-time charges for stock compensation of approximately $10.0 million as well as legal and accounting fees.
(4) | For the first three quarters in fiscal 2013, basic and diluted income (loss) per share available to common stockholders was calculated under the two-class method as the redeemable convertible preferred stock participated in the undistributed earnings of the Company. Earnings of the Company were allocated between the common and preferred stockholders to account for the accretion of the redeemable convertible preferred stock to its maximum redemption value, thereby reducing the earnings of the Company attributable to common stockholders. For the first three quarters in 2013, this resulted in net losses attributable to common stockholders, in total and on a per share basis, as the net income attributable to the Company (if any) was exceeded by the change in maximum redemption value of the redeemable convertible preferred stock. Upon completion of the initial public offering on October 9, 2013, the redeemable convertible preferred stock was automatically converted to common stock. See Note 9—Capital Stock and Warrants for further information on the conversion.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=35737889&loc=d3e1280-108306 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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