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Income Taxes (Income Tax Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]      
Provision (benefit) for federal income taxes at statutory rates $ (1,687) $ 552 $ 1,813
Provision (benefit) for state income taxes, net of federal benefit (175) 128 89
Resolution with tax authorities 0 (79) 0
Valuation allowance changes affecting the provision for income taxes (7) (8) (2)
Employment tax credits (130) (1,000) (580)
Nondeductible expenses 254 437 357
Stock based compensation expense 13 410 0
Other (15) (3) 25
Provision (benefit) for income taxes of continuing operations $ (1,747) $ 437 $ 1,702