Quarterly Operating Results (Schedule Of Quarterly Operating Results) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Quarterly Operating Results [Abstract] | ||||||||||
| Sales | $ 19,043,000 | $ 20,412,000 | $ 22,068,000 | $ 20,800,000 | $ 22,759,000 | $ 25,617,000 | $ 26,311,000 | $ 24,666,000 | $ 82,322,618 | $ 99,352,934 |
| Operating income (loss) | (1,584,000) | (4,654,000) | (4,067,000) | (1,460,000) | (1,891,000) | (1,175,000) | (2,671,000) | 1,280,000 | (11,764,829) | (4,456,547) |
| Net loss | $ (1,697,000) | $ (4,522,000) | $ (4,091,000) | $ (1,516,000) | $ (1,839,000) | $ (1,264,000) | $ (2,544,000) | $ (2,467,000) | $ (11,825,632) | $ (8,113,548) |
| Basic net (loss) income per share | $ (0.19) | $ (0.50) | $ (0.46) | $ (0.17) | $ (0.21) | $ (0.14) | $ (0.29) | $ (0.28) | $ (1.32) | $ (0.92) |
| Diluted net (loss) income per share | $ (0.19) | $ (0.50) | $ (0.46) | $ (0.17) | $ (0.21) | $ (0.14) | $ (0.29) | $ (0.28) | $ (1.32) | $ (0.92) |
| Additional minimum pension liability adjustments | $ (4,147,836) | |||||||||
| Foreign currency translation loss | $ (4,238,497) | |||||||||
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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