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Note 5 - Income Taxes (Detail) (USD $) | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2010 | Dec. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2009
Deferred Tax Assets, Valuation Allowance | $ 19,073,000 | $ 22,895,000 | $ 23,030,000 | $ 104,429,000
Valuation Allowance, Deferred Tax Asset, Change in Amount | 88,000,000 | 71,000,000 |  |
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax |  | 15,210,000 | 24,603,000 |
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation |  | 20,000,000 | 19,000,000 |
Domestic Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards |  |  | 146,000,000 |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards |  |  | 25,000,000 |
Foreign Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards |  |  | $ 68,000,000 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 11 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6969291&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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