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Note 5 - Amounts Recognized in Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Net actuarial loss | $ (2,086,396)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax | $ (944,305)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax |
| Prior service cost | (3,511)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax | (9,081)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax |
| Amounts recognized in accumulated other comprehensive income (loss), before taxes | (2,089,907)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax | (953,386)us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax |
| Income tax benefit | 737,113us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent | 331,374us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent |
| Amounts recognized in accumulated other comprehensive income (loss), after taxes | $ (1,352,794)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax | $ (622,012)us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax |
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- Definition
The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The pretax total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount related to the pretax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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, attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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