| 2011年 12月31日 | 2012年 12月31日 | 2013年 12月31日 | 2014年 12月31日 | 2015年 12月31日 | 2017年 12月31日 | 2018年 12月31日 | 2019年 12月31日 | 2020年 12月31日 | 2021年 12月31日 | 2022年 12月31日 |
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Cash and cash equivalents | 18 | 11 | 10 | 9 | 11 | 19 | 18 | 14 | 14 | 14 | 12 |
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Trade accounts receivable, net of allowance for doubtful accounts of $147 and $89, respectively | - | - | - | - | - | - | - | - | - | - | 5 |
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Inventories | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 7 |
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Other current assets | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
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TOTAL CURRENT ASSETS | 27 | 18 | 17 | 18 | 18 | 27 | 28 | 24 | 23 | 25 | 24 |
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Property, plant and equipment - net | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 |
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Other assets | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 2 |
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TOTAL ASSETS | 31 | 19 | 18 | 19 | 20 | 30 | 31 | 28 | 26 | 29 | 27 |
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Accounts payable | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |
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Accrued compensation | - | - | - | - | - | - | - | - | - | - | 2 |
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Deferred revenue | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 2 | 2 |
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Other accrued liabilities | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
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Income taxes payable | - | - | - | - | - | - | - | - | - | - | 0 |
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TOTAL CURRENT LIABILITIES | 5 | 4 | 4 | 5 | 5 | 8 | 7 | 5 | 5 | 7 | 6 |
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Operating lease liabilities | - | - | - | - | - | - | - | - | - | 2 | 2 |
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Long-term other payables | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
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COMMITMENTS | - | - | - | - | - | - | - | - | - | - | - |
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Preferred stock Authorized, 5,000,000 shares, including 200,000 shares of Series A Junior Participating Issued and outstanding, none | - | - | - | - | - | - | - | - | - | - | - |
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Common stock, at stated value Authorized, 30,000,000 shares Issued and outstanding, 8,816,381 shares as of December 31, 2022 and 8,621,007 shares as of December 31, 2021 | - | - | 18 | 19 | 19 | 19 | 19 | 19 | 20 | 21 | 22 |
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Accumulated earnings (deficit) | 2 | -4 | -7 | -6 | -5 | 2 | 4 | 3 | -1 | -2 | -3 |
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Accumulated other comprehensive income | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 |
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TOTAL STOCKHOLDERS' EQUITY | 26 | 15 | 13 | 14 | 15 | 22 | 23 | 22 | 20 | 20 | 19 |
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TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 31 | 19 | 18 | 19 | 20 | 30 | 31 | 28 | 26 | 29 | 27 |
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