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Note 5 - Intangible Assets: (Tables) | 9 Months Ended
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Sep. 30, 2012
Schedule of Finite-Lived Intangible Assets [Table Text Block] | Processed and Finished [Member]
September 30, 2012 |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Intangible Assets, Net |
(in thousands) |  |  |  |  |  |  |  |  |
Customer relationships - subject to amortization |  | $ | 13,332 |  |  | $ | (1,111 | ) |  | $ | 12,221 |
Trade name - not subject to amortization |  |  | 23,425 |  |  |  | - |  |  |  | 23,425 |
|  | $ | 36,757 |  |  | $ | (1,111 | ) |  | $ | 35,646 |
December 31, 2011 |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Intangible Assets, Net |
(in thousands) |  |  |  |  |  |  |  |  |
Customer relationships - subject to amortization |  | $ | 13,332 |  |  | $ | (444 | ) |  | $ | 12,888 |
Trade name - not subject to amortization |  |  | 23,425 |  |  |  | - |  |  |  | 23,425 |
|  | $ | 36,757 |  |  | $ | (444 | ) |  | $ | 36,313 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration