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Condensed Consolidated Statements Of Income And Comprehensive Income (USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
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Sep. 30, 2011
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| Condensed Consolidated Statements Of Income And Comprehensive Income [Abstract] | ||||
| Sales from operations | $ 28,687,687 | $ 41,984,570 | $ 78,492,866 | $ 118,437,057 |
| Costs and expenses: | ||||
| Cost of sales | 17,927,814 | 25,429,300 | 47,128,483 | 70,097,713 |
| Selling, general and administrative expenses | 9,053,164 | 10,071,408 | 28,169,627 | 29,189,378 |
| Goodwill impairment | 0 | 0 | 0 | 1,271,986 |
| Total costs and expenses | 26,980,978 | 35,500,708 | 75,298,110 | 100,559,077 |
| Operating income | 1,706,709 | 6,483,862 | 3,194,756 | 17,877,980 |
| Other income (expense): | ||||
| Investment and other income | (8,342) | 138,990 | 24,830 | 275,852 |
| Gain (loss) on sale of assets | (1,740) | 5,310 | 87,801 | (4,674) |
| Interest and other expense | (33,187) | (53,256) | (104,918) | (149,107) |
| Other income (expense), net | (43,269) | 91,044 | 7,713 | 122,071 |
| Income before income taxes | 1,663,440 | 6,574,906 | 3,202,469 | 18,000,051 |
| Income tax expense | 544,098 | 2,845,269 | 1,056,316 | 7,627,910 |
| Net income | 1,119,342 | 3,729,637 | 2,146,153 | 10,372,141 |
| Other comprehensive income, net of tax: | ||||
| Additional minimum pension liability adjustments | 4,671 | (8,534) | 137,397 | (26,952) |
| Unrealized gains (losses) on available-for-sale securities | 33,855 | (5,094) | 39,488 | (30,510) |
| Foreign currency translation adjustment | 103,814 | (112,581) | 143,697 | (44,480) |
| Total other comprehensive income (loss), net of tax | 142,340 | (126,209) | 320,582 | (101,942) |
| Comprehensive net income | $ 1,261,682 | $ 3,603,428 | $ 2,466,735 | $ 10,270,199 |
| Basic net income per share: | $ 0.13 | $ 0.44 | $ 0.25 | $ 1.23 |
| Diluted net income per share: | $ 0.13 | $ 0.44 | $ 0.25 | $ 1.22 |
| Average Basic Shares Outstanding | 8,520,469 | 8,460,625 | 8,505,571 | 8,442,812 |
| Average Dilutive Shares Outstanding | 8,532,534 | 8,530,187 | 8,528,523 | 8,500,022 |
| Dividends per share | $ 0.16 | $ 0.15 | $ 0.48 | $ 0.45 |
| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate cost of goods produced and sold and services rendered during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total costs of sales and operating expenses for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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| X | ||||||||||
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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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| X | ||||||||||
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- Definition
The gains (losses) included in earnings resulting from the sale or disposal of tangible assets. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies. 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 aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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| X | ||||||||||
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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
Net of tax and reclassification adjustments of the change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity. Also includes the following: gain (loss) on foreign currency forward exchange contracts; foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; and gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) that has been designated and qualified as a hedging instrument for hedging of the foreign currency exposure of a net investment in a foreign operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net of tax amount of other comprehensive income (loss) attributable to the parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Net of tax and reclassifications amount of pension and other postretirement benefit plans (gain) loss included in accumulated other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Net of tax amount of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities. 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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- Definition
The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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