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Accrued Liabilities and Other Long-Term Liabilities (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Components of other long-term liabilities
Long-term portion of lease abandonment accrual	$ 1,332	$ 1,787
Long-term portion of deferred tax liability	98	54
Total	$ 1,430	$ 1,841

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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