Income taxes (Schedule of effective tax rate) (Details) |
12 Months Ended | ||||
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Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Income Tax Disclosure [Line Items] | |||||
| U.S. Statutory rates | 34.00% | 34.00% | 34.00% | ||
| Foreign income not recognized in USA | (34.00%) | (34.00%) | (34.00%) | ||
| China income taxes | 25.00% | 25.00% | 25.00% | ||
| Impact of tax rate in other jurisdiction | (5.90%) | (3.60%) | (2.50%) | ||
| Provisional re-measurement of deferred taxes | (0.70%) | 0.00% | 0.00% | ||
| Valuation allowance | (10.80%) | (12.70%) | (7.70%) | ||
| Other | [1] | (1.90%) | (14.60%) | (14.80%) | |
| Effective income taxes | 5.70% | 5.90% | 0.00% | ||
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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 impact of tax rates in other jurisdictions. No definition available.
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- References No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to the repatriation of foreign earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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