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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current:      
Federal $ 50 $ (6,844) $ 3,071
State (440) 190 652
Foreign 156 311 54
Total current (234) (6,343) 3,777
Deferred:      
Federal   (873) 943
State   1,713 (82)
Excess tax benefits related to stock based compensation     1,543
Tax deficiencies related to restricted stock expense   (426) (15)
Other adjustments     (1)
Total deferred   414 2,388
Total provision $ (234) $ (5,929) $ 6,165