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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2012
Income Tax Disclosure [Abstract]  
Schedule of Unrecognized Tax Benefits
Net unrecognized tax benefits at March 31, 2012 and December 31, 2011 were as follows:
 
 
March 31,
2012
 
December 31,
2011
Net unrecognized tax benefits
 
$
1,736

 
$
735