Note 6 - Income Taxes - Summary of Temporary Differences in Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Deferred revenue | $ 8,902 | $ 4,177 |
| Basis difference in pension plan asset (liability) | (36) | |
| Total deferred tax assets | 8,902 | 4,141 |
| Basis differences in property, plant and equipment | 1,691 | |
| Basis differences in real estate acquired through foreclosure | 142 | 234 |
| Basis difference in pension plan liability | 68 | |
| Deferred installment revenue on land sales for tax purposes | 9 | 32 |
| Total deferred tax liability | 1,910 | 266 |
| Net deferred tax asset | $ 6,992 | $ 3,875 |
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset (liability) attributable to deductible temporary differences from pension benefits. No definition available.
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| X | ||||||||||
- Definition Deferred installment revenue on land sales for tax purposes. No definition available.
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| X | ||||||||||
- Definition Deferred installment revenue on land sales for tax purposes. No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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