Annual report pursuant to Section 13 and 15(d)

Reconciliation of Income Taxes (Detail)

v2.4.0.6
Reconciliation of Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Reconciliation of Statutory Federal Tax Rate [Line Items]      
U.S. statutory rate, amount $ (1,892) $ (857) $ 7,476
State income taxes, amount 783 289 893
Qualified Production Activities Income-Deduction, amount     (205)
Federal Work Opportunity Tax Credit, amount         
Other, amount (205) (76) 102
Income tax expense $ (1,314) $ (644) $ 8,266
U.S. statutory rate 35.00% 35.00% 35.00%
State income taxes (14.50%) (11.80%) 4.20%
Qualified Production Activities Income-Deduction     (1.00%)
Federal Work Opportunity Tax Credit         
Other 3.80% 3.10% 0.50%
Income tax expense 24.30% 26.30% 38.70%