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Income Taxes - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Income Taxes Disclosure [Line Items] | ||
| Net deferred tax assets and liabilities recorded as long-term liability | $ 48,600,000 | $ 46,300,000 |
| Deferred taxes expected to be realized within one year | 531,000 | 504,000 |
| Net operating loss carryfowards | 83,200,000 | |
| Benefit of stock options | $ 4,800,000 |
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- Details
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- Definition
Operating Loss Carry Forwards Net No definition available.
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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 expected to be realized or consumed within one year or operating cycle, if longer. 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 expected to be realized or consumed after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax benefits realized from the exercise of stock options resulting in reductions in the entity's income taxes, which increases net cash provided by operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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