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Note 5 - Plant Closure (Details) - Charges Incurred in Conjunction with Plant Closure (Cameron, Louisiana Menhaden Processing Plant [Member], USD $)
In Thousands, unless otherwise specified |
1 Months Ended |
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Dec. 31, 2013
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Cameron, Louisiana Menhaden Processing Plant [Member]
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| Note 5 - Plant Closure (Details) - Charges Incurred in Conjunction with Plant Closure [Line Items] | |
| Impairment of property, plant and equipment | $ 4,796 |
| Write-off material and supplies inventory | 97 |
| Employee severance accruals | 345 |
| Estimated decommissioning costs | 250 |
| Other ongoing closure costs not attributable to future production | 1,109 |
| Total loss related to plant closure | $ 6,597 |