Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

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Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Current:      
Federal $ 2,799 $ 2,452 $ 1,800
State 536 460 546
Foreign 201 264 170
Total current income tax 3,536 3,176 2,516
Deferred:      
Federal 54 172 211
State 10 100 62
Total deferred income tax 64 272 273
Income tax expense 3,600 3,448 2,789
Effective tax rate (as a percent) 39.60% 38.40% 38.70%
Amount of benefit related to reversal of the company's liability related to uncertain tax positions, which has impacted the effective tax rate     78
Reconciliation of difference between total tax expense and the amount computed by applying the U.S. statutory federal income tax rate to income before income taxes      
Statutory rate applied to pretax income 3,090 3,056 2,456
State income taxes, net of federal income tax benefit 334 325 399
Foreign income taxes under U.S. statutory rate (21) (4) (5)
Other items 197 71 (61)
Income tax expense 3,600 3,448 2,789
Reconciliation of the beginning and ending amount of unrecognized tax benefits      
Balance at the beginning of the period     78
Decrease based on tax positions related to prior years     (78)
Components of income before income taxes      
United States 8,451 8,229 6,696
Canada 638 758 514
Income before provision for income taxes $ 9,089 $ 8,987 $ 7,210