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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Income Tax Disclosure [Abstract] | ||||
| Provision for income taxes | $ 155,000 | $ 44,000 | $ 366,000 | $ 235,000 |
| Unrecognized tax benefits | 200,000 | |||
| Period of change of unrecognized tax benefits | 12 months | |||
| Accrued interest and penalties | 0 | 0 | ||
| Taxable Income Adjustment from Tax Examination | $ 0 | $ 0 | ||
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- Definition
Period of change of unrecognized tax benefits. No definition available.
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- Definition
Adjustment to taxable income arising from a tax examination. No definition available.
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- Details
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- Definition
Amount 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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| X | ||||||||||
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- Definition
Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. 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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