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6. Earnings Per Share (Detail) - Schedule of Earnings Per Share (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jul. 29, 2012
Jul. 31, 2011
Jul. 29, 2012
Jul. 31, 2011
Net income $ 1,474 $ 1,646 $ 2,494 $ 2,169
Less: Unvested participating restricted stock dividends 3 4 3 5
Net earnings allocated to unvested participating restricted stock 0 0 0 0
Earnings available for common shareholders $ 1,471 $ 1,642 $ 2,491 $ 2,164
Weighted average shares outstanding for basic earnings per share (in Shares) 10,770 10,761 10,771 10,761
Dilutive effect of unvested restricted stock and RSU awards (in Shares) 19 23 29 23
Weighted average shares outstanding for diluted earnings per share (in Shares) 10,789 10,784 10,800 10,785
Basic earnings per share (in Dollars per share) $ 0.14 $ 0.15 $ 0.23 $ 0.20
Diluted earnings per share (in Dollars per share) $ 0.14 $ 0.15 $ 0.23 $ 0.20