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Tax Effects of Temporary Differences Comprise Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified |
Sep. 30, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|---|---|
| Deferred tax assets | ||||
| Equity securities | $ 4,346 | $ 1,098 | ||
| Accrued liabilities | 1,910 | 915 | ||
| Stock-based compensation | 363 | 178 | ||
| Deferred revenue | 22,684 | 6,546 | ||
| Research and development tax credits | 6,600 | 5,848 | 5,556 | |
| Net operating loss carryforwards | 80,159 | 70,679 | ||
| Total deferred tax assets | 115,310 | 84,972 | ||
| Less: Valuation allowance | 113,051 | 82,125 | 52,036 | |
| Net deferred tax assets | 2,259 | 2,847 | ||
| Deferred tax liabilities | ||||
| Property and equipment | 478 | 406 | ||
| Intangible assets | 1,781 | 2,441 | ||
| Total deferred tax liabilities | 2,259 | 2,847 | ||
| Net deferred tax assets (liabilities) |
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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 from deferred income. 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, net of deferred tax liability attributable to taxable temporary differences. 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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- Details
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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 research 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 temporary differences from share-based compensation. 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 from accrued liabilities. 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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- Details
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax assets attributable to deductible temporary differences from investments accounted for under the fair value option. No definition available.
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