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Income Taxes
 3 Months Ended
Mar. 31, 2012
Income Taxes  
Income Tax Disclosure [Text Block]

8. Income Taxes

The total outstanding balance for liabilities related to unrecognized tax benefits at March 31, 2012 was approximately $563, of which $35 was associated with interest and penalties. We account for interest expense and penalties for unrecognized tax benefits as part of our income tax provision.

 

Accrued liabilities as of March 31, 2012 and December 31, 2011 include accrued income taxes payable of $211 and $300, respectively.