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Note 9 - Discontinued Operations - Discontinued Operations Balance Sheet (Details) - USD ($) $ in Thousands | Jun. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Other assets |  | $ 92 | $ 85
Total current assets |  | 92 | 85
Property, plant and equipment, net | [1] | 81 | 81
Other assets |  | 232 | 268
Total long-term assets |  | 313 | 349
Total assets |  | 405 | 434
Accounts payable |  | 53 | 13
Accrued expenses and other liabilities |  | 276 | 268
Environmental liabilities |  | 637 | 677
Total current liabilities |  | 966 | 958
Closure liabilities |  | 116 | 113
Environmental liabilities |  | 248 | 248
Total long-term liabilities |  | 364 | 361
Total liabilities |  | $ 1,330 | $ 1,319
[1] | net of accumulated depreciation of $10,000 for each period presented.

X
- Definition Amount classified as current assets attributable to discontinued operations not held for sale. + References No definition available. + Details
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X
- Definition Amount classified as environmental liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
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X
- Definition Amount classified as accounts payable and accrued liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Amount classified as accounts payable attributable to discontinued operations not held for sale. + References No definition available. + Details
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- Definition Amount classified as current and noncurrent assets attributable to discontinued operations not held for sale. + References No definition available. + Details
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- Definition Amount classified as assets attributable to discontinued operations not held for sale, expected to be disposed of after one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Amount classified as other assets attributable to discontinued operations not held for sale. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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X
- Definition Amount classified as other assets attributable to discontinued operations not held for sale, expected to be disposed of after one year or the normal operating cycle, if longer. + References No definition available. + Details
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X
- Definition Amount classified as property, plant and equipment attributable to discontinued operations not held for sale, expected to be disposed of after one year or the normal operating cycle, if longer. + References No definition available. + Details
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- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
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- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
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- Definition Amount classified as liabilities attributable to discontinued operations not held for sale. + References No definition available. + Details
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X
- Definition Represents closure liabilities of discontinued operations not held for sale. + References No definition available. + Details
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