| Dec 31, 2013 | Dec 30, 2014 | Dec 29, 2015 | Jan 3, 2017 | Jan 2, 2018 | Jan 1, 2019 | Dec 31, 2019 | Dec 29, 2020 | Dec 28, 2021 | Jan 3, 2023 | Jan 2, 2024 | Dec 31, 2024 |
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| Cash and cash equivalents | 1 | 2 | 2 | 2 | 3 | 5 | 10 | 8 | 2 | 2 | 3 | 1 |
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| Accounts receivable | 4 | 5 | 5 | 5 | 2 | 2 | 4 | 3 | 4 | 6 | 5 | 4 |
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| Inventories | 7 | 9 | 10 | 11 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 11 |
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| Prepaid expenses and other assets | 5 | 6 | 7 | 7 | 6 | 6 | 5 | 3 | 7 | 3 | 4 | 4 |
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| Income tax receivable | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Total current assets | 18 | 23 | 25 | 26 | 22 | 23 | 29 | 24 | 23 | 22 | 23 | 20 |
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| Property and equipment, net | - | - | - | - | - | - | - | 123 | 119 | 129 | 152 | 137 |
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| Operating lease assets, net | - | - | - | - | - | - | 210 | 196 | 188 | 183 | 184 | 158 |
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| Goodwill | - | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
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| Intangibles, net | - | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
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| Other assets, net | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 2 | 2 | 2 |
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| Total long-term assets | 169 | 216 | 215 | 184 | 163 | 149 | 349 | 330 | 319 | 322 | 345 | 304 |
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| Total assets | 188 | 239 | 240 | 209 | 185 | 172 | 379 | 354 | 341 | 344 | 368 | 325 |
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| Accounts payable | 8 | 11 | 15 | 11 | 11 | 8 | 9 | 6 | 16 | 15 | 17 | 13 |
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| Accrued payroll and benefits | 7 | 5 | 5 | 11 | 12 | 13 | 13 | 13 | 19 | 9 | 8 | 8 |
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| Accrued Liabilities, Current | 8 | 9 | 12 | 28 | 21 | 11 | 12 | 12 | 14 | 11 | 13 | 13 |
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| Current operating lease liabilities | - | - | - | - | - | - | 23 | 26 | 27 | 29 | 30 | 32 |
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| Total current liabilities | 24 | 26 | 33 | 49 | 44 | 33 | 58 | 58 | 77 | 64 | 68 | 66 |
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| Long-term debt, net | 6 | 28 | 68 | 85 | 58 | 44 | 40 | 41 | 19 | 46 | 80 | 101 |
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| Operating Lease, Liability, Noncurrent | - | - | - | - | - | - | 225 | 210 | 200 | 187 | 186 | 157 |
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| Deferred tax liabilities, net | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 |
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| Other long-term liabilities | 3 | 3 | 6 | 5 | 9 | 5 | 4 | 14 | 8 | 8 | 7 | 7 |
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| Total liabilities | 63 | 99 | 146 | 184 | 149 | 119 | 328 | 324 | 304 | 305 | 341 | 330 |
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| Preferred Stock, Value, Issued | - | - | - | - | - | - | - | - | - | - | - | - |
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| Common Stock, Value, Issued | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Treasury stock, at cost, 2,423,871 shares as of December 31, 2024 and January 2, 2024, respectively | - | - | - | - | - | - | - | - | - | - | 35 | 35 |
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| Additional paid-in capital | 117 | 121 | 121 | 124 | 172 | 198 | 201 | 203 | 207 | 211 | 210 | 213 |
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| Accumulated deficit | 10 | 22 | 8 | -64 | -101 | -111 | -115 | -139 | -135 | -138 | -148 | -184 |
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| Total stockholders’ (deficit) equity | 124 | 140 | 94 | 26 | 36 | 53 | 51 | 30 | 38 | 38 | 27 | -6 |
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| Total liabilities and stockholders’ equity | 188 | 239 | 240 | 209 | 185 | 172 | 379 | 354 | 341 | 344 | 368 | 325 |
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