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Note 5 - Income Taxes (Detail) - Domestic and Foreign Components of Income (Loss) from Operations Before Income Taxes (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income (loss) before income taxes | $ 23,833 | $ 233,142 | $ (74,549)
Domestic Tax Authority [Member] |  |  |
Income (loss) before income taxes | 37,025 | 244,833 | (66,348)
Foreign Tax Authority [Member] |  |  |
Income (loss) before income taxes | $ (13,192) | $ (11,691) | $ (8,201)

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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 + Details
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