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Discontinued Operations (Schedule Of Financial Results And Financial Position Of Discontinued Operations) (Details) (USD $)
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3 Months Ended | 6 Months Ended |
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Jun. 30, 2011
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Jun. 30, 2011
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| Discontinued Operations [Abstract] | ||
| Net sales | $ 124,000 | $ 194,000 |
| Expenses | (123,000) | (234,000) |
| Net income (loss) before income taxes | 1,000 | (40,000) |
| Income tax benefit | 0 | 7,000 |
| Net income (loss) of discontinued operations | $ 1,000 | $ (33,000) |