Note 12 - Deferred Tax Assets and Liabilities (Details) - USD ($) |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Net operating losses | $ 4,566,000 | $ 4,611,000 |
| Environmental and closure reserves | 2,497,000 | 2,520,000 |
| Other | 2,800,000 | 3,129,000 |
| Depreciation and amortization | (1,130,000) | (2,322,000) |
| Goodwill and indefinite lived intangible assets | $ (5,443,000) | (5,006,000) |
| Investment | (25,000) | |
| Prepaid expenses | $ (122,000) | (17,000) |
| 3,168,000 | 2,890,000 | |
| Valuation allowance | (8,592,000) | (7,896,000) |
| Net deferred income tax liabilities | $ (5,424,000) | $ (5,006,000) |
| X | ||||||||||
- Definition The different between deferred tax assets and deferred tax liabilities before allocation of valuation allowances of deferred tax assets attributable to deductible temporary differences and carryforwards. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. 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 not separately disclosed. 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 reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, before 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 from intangible assets including goodwill. 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 investments (excludes investments in subsidiaries and equity method investments). No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. No definition available.
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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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