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Statements of Income and Total Comprehensive Income (Parentheticals) (USD $)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Amortization of net actuarial costs and prior service costs, net of income taxes | $ 39,093 | $ 42,812 | $ 24,467 |
| Net actuarial gain (loss) on pension plan net of income taxes | $ 145,211 | $ (109,244) | $ (196,015) |
| X | ||||||||||
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- Definition
Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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