Income Taxes (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
|
| Income Taxes [Abstract] | ||
| Discrete charge for an uncertain tax position | $ 12 | |
| Discrete charge associated with disproportionate tax effect | $ 133 | |
| Foreign statutory tax rate, foreign operations | 25.00% | |
| Gross deferred tax asset | $ 75,416 | |
| Valuation allowance | 67,662 | |
| Net deferred tax asset | 7,754 | |
| Deferred tax liabilities, gross | 16,720 | |
| Net operating loss carryforwards for U.S. federal income tax purposes | 172,419 | |
| Tax windfall | 270 | |
| Research and experimentation credit carryforwards | 3,407 | |
| Alternative minimum tax credit carryforwards | $ 315 | |
| AMT percentage | 20.00% | |
| Maximum percentage of income offset by available NOLs | 90.00% | |
| Net operating loss carryforwards, net of limitations | $ 172,149 |
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- Definition Alternative minimum tax percentage No definition available.
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- Definition Foreign Operations Permanently Reinvested Statutiry Income Tax Rate No definition available.
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- Definition Maximum Of Income Offset By Available Net Operating Loss, Percentage No definition available.
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- Definition Net operating loss carryforwards, net of IRS code limitations. No definition available.
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- Definition Operating Loss Carryforwards Windfall Tax Limitation No definition available.
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- Definition Unusual Tax Provision, Discontinued Operations No definition available.
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- Definition Unusual Tax Provision, Disproportionate Tax Effect No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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