| Dec 31, 2011 | Dec 29, 2012 | Dec 28, 2013 | Jan 3, 2015 | Jan 2, 2016 | Dec 31, 2016 | Dec 30, 2017 | Dec 29, 2018 | Dec 28, 2019 | Jan 2, 2021 | Jan 1, 2022 | Dec 31, 2022 |
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Net loss | - | - | - | - | - | - | - | -13 | -9 | -6 | -5 | -8 |
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Gain on PPP loan forgiveness | - | - | - | - | - | - | - | - | - | - | 2 | - |
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Depreciation and amortization | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
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Amortization of operating lease right-of-use assets | - | - | - | - | - | - | - | - | - | - | - | 1 |
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Loss on disposal of property and equipment | - | - | - | - | - | - | - | -0 | -0 | -0 | -0 | - |
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Stock-based compensation | - | - | - | - | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 2 |
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Provision for doubtful accounts | -0 | 0 | 0 | 0 | 0 | 0 | - | - | 0 | 0 | 0 | 0 |
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Accounts receivable | 0 | -0 | 2 | 1 | 1 | 1 | -2 | 1 | 0 | -2 | -1 | -0 |
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Receivable from related party | - | - | - | - | - | - | - | - | - | - | 3 | 0 |
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Inventories | 1 | 1 | 3 | -1 | 2 | 1 | -2 | -0 | -1 | -2 | -0 | 3 |
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Prepaid expenses and other current assets | - | - | - | -0 | -0 | 0 | 0 | 0 | -0 | 0 | 0 | 0 |
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Other long-term assets | - | 0 | 0 | -0 | -0 | -0 | 0 | 0 | -0 | -0 | 0 | 1 |
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Accounts payable | 0 | 1 | 0 | -1 | 0 | -0 | -0 | 1 | 0 | -1 | 2 | 1 |
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Payable to related party | - | - | - | - | - | - | - | - | - | - | 1 | -1 |
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Accrued compensation | -0 | - | - | -0 | -0 | 1 | 0 | 1 | -1 | -0 | 1 | -1 |
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Accrued expenses | 0 | -1 | 0 | 0 | -0 | 0 | 0 | 1 | -1 | 0 | 1 | -0 |
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Accrued warranty | - | - | - | - | 0 | - | 1 | -1 | -0 | -0 | -0 | 0 |
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Deferred revenue | - | - | - | - | - | - | - | -0 | -0 | -1 | 12 | 1 |
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Operating lease liabilities | - | - | - | - | - | - | - | - | -1 | -2 | -1 | -1 |
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Other long-term liabilities | - | 0 | 0 | -0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -0 |
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Net cash (used in) provided by operating activities | 2 | -1 | 1 | 4 | -1 | - | - | -10 | -8 | -3 | 8 | -10 |
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Acquisition of property and equipment | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
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Cash paid for business combination, net | 0 | - | - | - | - | - | - | - | - | - | 5 | - |
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Net cash used in investing activities | -0 | -1 | -1 | -1 | -1 | - | - | -1 | -1 | -0 | -6 | -0 |
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Proceeds from Issuance of Common Stock | - | - | - | - | - | 15 | 2 | 10 | - | - | 10 | - |
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Proceeds for stock option exercise | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | - | - | 0 | 0 |
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Taxes paid related to net share settlements of equity awards | - | - | - | - | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
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Proceeds from PPP loan | - | - | - | - | - | - | - | - | - | 2 | - | - |
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Net cash provided by financing activities | -0 | -2 | 1 | -3 | -1 | - | - | 10 | -0 | 2 | 9 | -0 |
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Effect of foreign exchange rate changes | - | - | - | - | - | - | - | -0 | 0 | -0 | 0 | -0 |
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Net (decrease) increase in cash and cash equivalents | - | - | - | - | - | - | - | -1 | -9 | -1 | 12 | -10 |
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Income Taxes Paid, Net | 1 | 0 | -1 | 0 | 0 | 0 | 0 | 0 | 0 | -0 | 0 | 0 |
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Transfer of inventory to property and equipment | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
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ROU assets obtained with the modification of operating lease | - | - | - | - | - | - | - | - | - | - | 2 | - |
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