| 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 |
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Cash and cash equivalents | 1 | 2 | 3 | 3 | 6 | 9 | 5 | 3 | 4 | 8 | 9 | 4 |
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Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,820 and $1,170 at December 31, 2022 and 2021, respectively | - | - | - | - | 10 | 10 | 9 | 6 | 7 | 8 | 10 | 11 |
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Inventories, net | - | - | - | - | 8 | 8 | 8 | 6 | 6 | 7 | 8 | 10 |
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Prepaid expenses and other current assets | - | - | - | - | 0 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
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Refundable income taxes | - | - | - | - | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 0 |
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Total current assets | - | - | - | - | 27 | 28 | 25 | 19 | 19 | 24 | 29 | 27 |
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Property, plant and equipment, net | - | - | - | - | 21 | 22 | 25 | 25 | 22 | 21 | 20 | 21 |
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Operating lease right-of use asset | - | - | - | - | - | - | - | - | 1 | 0 | 0 | 0 |
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Goodwill | - | - | - | - | 14 | - | - | - | - | - | - | 12 |
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Intangible assets, net | - | - | - | - | - | - | - | - | - | - | - | 7 |
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Other assets | - | - | - | - | - | 0 | 0 | 0 | 2 | 2 | 2 | 2 |
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Total assets | - | - | - | - | 65 | 66 | 65 | 57 | 57 | 60 | 71 | 69 |
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Current portion of note payable | - | - | - | - | 1 | 1 | 3 | - | - | - | 1 | 1 |
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Accounts payable | - | - | - | - | 7 | 6 | 7 | 5 | 5 | 6 | 7 | 8 |
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Accrued expenses | - | - | - | - | 3 | 2 | 3 | 3 | 4 | 2 | 4 | 4 |
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Accrued income taxes | - | - | - | - | 0 | 1 | 0 | 0 | 0 | 1 | 1 | - |
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Total current liabilities | - | - | - | - | 11 | 9 | 13 | 7 | 10 | 8 | 12 | 13 |
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Line of credit | - | - | - | - | - | - | - | - | - | 3 | 3 | 3 |
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Note payable | - | - | - | - | - | - | - | - | - | - | 3 | 2 |
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Operating lease liabilities | - | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 |
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Deferred income taxes, net | - | - | - | - | - | - | - | - | - | 2 | 3 | 3 |
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Other long-term liabilities | - | - | - | - | - | - | 1 | 1 | 0 | 0 | 0 | - |
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Total liabilities | - | - | - | - | 20 | 18 | 18 | 14 | 14 | 13 | 22 | 21 |
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Preferred stock, no par value; 2,500 shares authorized; none issued | - | - | - | - | - | - | - | - | - | - | - | - |
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Common stock, no par value; 40,000 shares authorized; 17,274 shares issued; 14,645 and 15,435 shares outstanding at 2022 and 2021 | - | - | - | - | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
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Paid-in capital | - | - | - | - | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 |
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Treasury stock, at cost | - | - | - | - | - | - | - | - | - | - | - | 17 |
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Retained earnings | - | - | - | - | 47 | 50 | 50 | 47 | 47 | 50 | 54 | 54 |
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Total stockholders’ equity | - | - | - | - | 45 | 48 | 47 | 42 | 43 | 47 | 49 | 48 |
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Total liabilities and stockholders’ equity | - | - | - | - | 65 | 66 | 65 | 57 | 57 | 60 | 71 | 69 |
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