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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Income Tax Disclosure [Line Items] | ||
| Net operating loss carryforwards federal | $ 69,500,000 | |
| Net operating loss carryforwards state | 45,300,000 | |
| Operating loss carryforwards, expire beginning | 2013 | |
| Increase in liability for unrecognized tax benefit | 0 | 1,000 |
| Tax benefit on reversed certain deferred tax liabilities associated with international operations and research and development credits | 214,000 | |
| Income tax benefit | (372,000) | 29,000 |
| Projected annual effective tax rate | 4.90% | |
| Statutory tax rate | 34.00% | |
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Expected Future Tax Rate
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| Income Tax Disclosure [Line Items] | ||
| Income tax benefit | 158,000 | |
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Federal
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| Income Tax Disclosure [Line Items] | ||
| Research and development tax credit carryforwards | 954,000 | |
| Research and development tax credit carryforwards expire beginning | 2018 | |
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State
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| Income Tax Disclosure [Line Items] | ||
| Research and development tax credit carryforwards | $ 516,000 | |
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- Details
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- Definition
Research And Development Federal Tax Credit Carryforwards Expiration Date Year, in CCYY format. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local 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 state and local 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 research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- 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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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to tax credits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net amount of all increases and decreases in unrecognized tax benefits for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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