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Note 6 - Income Tax Provision Charged to Operations (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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Dec. 31, 2012
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| Current: | |||
| U.S. Federal | $ 17,243,130us-gaap_CurrentFederalTaxExpenseBenefit | $ 13,381,265us-gaap_CurrentFederalTaxExpenseBenefit | $ 10,046,442us-gaap_CurrentFederalTaxExpenseBenefit |
| State and local | 398,401us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 327,730us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 241,402us-gaap_CurrentStateAndLocalTaxExpenseBenefit |
| 17,641,531us-gaap_CurrentIncomeTaxExpenseBenefit | 13,708,995us-gaap_CurrentIncomeTaxExpenseBenefit | 10,287,844us-gaap_CurrentIncomeTaxExpenseBenefit | |
| Deferred | (974,997)us-gaap_DeferredIncomeTaxExpenseBenefit | (784,925)us-gaap_DeferredIncomeTaxExpenseBenefit | (612,776)us-gaap_DeferredIncomeTaxExpenseBenefit |
| $ 16,666,534us-gaap_IncomeTaxExpenseBenefit | $ 12,924,070us-gaap_IncomeTaxExpenseBenefit | $ 9,675,068us-gaap_IncomeTaxExpenseBenefit | |
| X | ||||||||||
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- Definition
Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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