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Note 6 - Income Taxes (Details) - Income Tax Provision Charged to Operations (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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| Income Tax Provision Charged to Operations [Abstract] | |||
| U.S. federal | $ 13,381,265 | $ 10,046,442 | $ 11,053,133 |
| State and local | 327,730 | 241,402 | 265,498 |
| 13,708,995 | 10,287,844 | 11,318,631 | |
| Deferred expense | (784,925) | (612,776) | (1,157,482) |
| $ 12,924,070 | $ 9,675,068 | $ 10,161,149 | |
| X | ||||||||||
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- Details
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| 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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