| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 39 | 61 | 66 | 55 | 35 | 27 | 23 | 18 | 20 | 63 | 44 | 19 | 16 | 17 |
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| Accounts Receivable, after Allowance for Credit Loss, Current | 13 | 14 | 14 | 15 | 16 | 14 | 12 | 13 | 13 | 5 | 15 | 14 | 13 | 13 |
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| Prepaid income taxes | 4 | 7 | 3 | 4 | 1 | 1 | 1 | 0 | 1 | 1 | 3 | 2 | 1 | 1 |
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| Prepaid expenses and other | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 1 | 1 |
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| Total current assets | 60 | 86 | 101 | 77 | 57 | 44 | 37 | 33 | 36 | 70 | 65 | 36 | 31 | 32 |
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| Deposits and other | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 5 | 1 | 0 |
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| Deferred tax assets | - | - | - | - | - | - | 2 | 2 | 2 | 5 | 4 | 3 | 3 | 3 |
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| Restricted cash | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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| Operating lease right-of-use assets | - | - | - | - | - | - | - | - | 9 | 9 | 8 | 7 | 6 | 6 |
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| Property and equipment, net | 4 | 4 | 8 | 9 | 8 | 6 | 5 | 4 | 3 | 1 | 1 | 1 | 1 | 0 |
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| Intangible assets, net | - | - | - | - | - | - | - | - | - | 5 | 3 | 4 | 2 | 1 |
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| Goodwill | - | - | - | - | - | - | - | - | - | 11 | 11 | 11 | 11 | 11 |
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| Total assets | 68 | 98 | 115 | 90 | 69 | 54 | 46 | 43 | 55 | 102 | 100 | 67 | 55 | 55 |
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| Accounts payable | 22 | 29 | 32 | 23 | 24 | 20 | 19 | 17 | 20 | 7 | 3 | 4 | 5 | 6 |
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| Merchant payables | - | - | - | - | - | - | - | - | - | 57 | 69 | 33 | 21 | 16 |
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| Accrued expenses and other | 6 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 7 | 9 | 10 | 5 | 4 | 3 |
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| Deferred revenue | - | - | - | - | - | - | - | 1 | 1 | 3 | 2 | 2 | 2 | 7 |
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| Operating lease liabilities | - | - | - | - | - | - | - | - | 5 | 4 | 3 | 3 | 3 | 2 |
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| Income tax payable | 0 | - | - | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | - | 1 | 2 |
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| Liabilities from discontinued operations | - | - | - | - | - | - | - | - | - | 1 | 0 | 0 | 0 | 0 |
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| Total current liabilities | 31 | 44 | 71 | 36 | 41 | 30 | 30 | 27 | 35 | 83 | 88 | 48 | 34 | 36 |
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| Long-term tax liabilities | 2 | 10 | 10 | 11 | 3 | 3 | 0 | 0 | 0 | - | - | - | 5 | 8 |
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| Long-term operating lease liabilities | - | - | - | - | - | - | - | - | 8 | 11 | 9 | 8 | 7 | 6 |
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| Other long-term liabilities | - | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 1 | 0 |
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| Total liabilities | - | - | - | - | - | - | - | - | - | 96 | 99 | 58 | 46 | 50 |
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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 | 0 | 0 |
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| Additional paid-in capital | 8 | 9 | 10 | 11 | 8 | - | - | - | - | 6 | 4 | 23 | 0 | - |
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| Tax indemnification | - | - | - | - | - | - | - | - | - | - | - | 10 | 10 | 10 |
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| Note receivable from shareholder | - | - | - | - | - | - | - | - | - | - | - | 5 | 2 | - |
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| Retained earnings | 43 | 43 | 37 | 53 | 17 | 22 | 17 | 18 | 14 | -0 | 1 | 7 | 20 | 14 |
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| Accumulated other comprehensive loss | -1 | -1 | -1 | -3 | -4 | -4 | -4 | -4 | -3 | -4 | -4 | -5 | -5 | -5 |
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| Total Travelzoo stockholders’ equity (deficit) | 35 | 43 | 31 | 40 | 21 | 18 | 13 | 14 | 11 | 2 | -4 | 4 | 9 | 4 |
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| Non-controlling interest | - | - | - | - | - | - | - | - | - | 5 | 5 | 5 | 5 | 5 |
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| Total stockholders’ equity | - | - | - | - | - | - | - | - | - | - | - | - | 9 | 4 |
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| Total liabilities and stockholders’ equity | 68 | 98 | 115 | 90 | 69 | 54 | 46 | 43 | 55 | 102 | 100 | 67 | 55 | 55 |
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