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Note 10 - Income Tax (Detail) - Schedule of Tax rate reconciliation
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2012
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Jun. 30, 2011
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| Tax provision at U.S. statutory rates | 34.00% | 36.20% | 34.00% | 35.20% |
| Foreign tax rate difference | (9.60%) | (9.30%) | (9.40%) | (9.30%) |
| Other | (2.30%) | 2.00% | (0.70%) | 2.20% |
| Valuation allowance | 2.90% | 0.60% | 2.00% | 0.70% |
| Effective tax holiday | 0.00% | (10.60%) | 0.00% | (10.60%) |
| Tax per financial statements | 25.00% | 18.90% | 25.90% | 18.20% |
| X | ||||||||||
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- Definition
A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the difference between statutory income tax rates in foreign jurisdictions and the domestic federal statutory income tax rate recorded during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to income that is exempt from income tax because of tax holidays an entity has received. A tax "holiday" refers to the tax benefit derived from a jurisdiction that provides an exemption from income taxes for some defined period of time as an incentive to attract business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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