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Income Taxes - Income Tax Benefits (Detail) (USD $)
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3 Months Ended | 12 Months Ended |
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Mar. 31, 2014
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Dec. 31, 2014
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| Income Tax Disclosure [Abstract] | ||
| Current | $ 18us-gaap_CurrentIncomeTaxExpenseBenefit | |
| Total income tax benefit | $ 18us-gaap_IncomeTaxExpenseBenefit | $ 18us-gaap_IncomeTaxExpenseBenefit |
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- Definition
Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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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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