Annual report pursuant to Section 13 and 15(d)

Stock Options, Stock Grants and New Stock (Stock Options by Exercise Price Range) (Details)

v2.4.0.6
Stock Options, Stock Grants and New Stock (Stock Options by Exercise Price Range) (Details) (USD $)
12 Months Ended
Dec. 29, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number of Outstanding options (shares) 220,740
Number of exercisable options (shares) 29,000
$9.96 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices (dollars per share) $ 9.96
Number of Outstanding options (shares) 13,000
Weighted average exercise price (dollars per share) $ 9.96
Weighted average remaining contractual life in years (years) 2 years 1 month 2 days
Number of exercisable options (shares) 13,000
Exercisable options, weighted average exercise price (dollars per share) $ 9.96
$11.35 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices (dollars per share) $ 11.35
Number of Outstanding options (shares) 36,740
Weighted average exercise price (dollars per share) $ 11.35
Weighted average remaining contractual life in years (years) 9 years 1 month 10 days
Number of exercisable options (shares) 0
$11.55 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices (dollars per share) $ 11.55
Number of Outstanding options (shares) 96,000
Weighted average exercise price (dollars per share) $ 11.55
Weighted average remaining contractual life in years (years) 8 years 0 months 26 days
Number of exercisable options (shares) 16,000
Exercisable options, weighted average exercise price (dollars per share) $ 11.55
$12.73 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Range of Exercise Prices (dollars per share) $ 12.73
Number of Outstanding options (shares) 75,000
Weighted average exercise price (dollars per share) $ 12.73
Weighted average remaining contractual life in years (years) 9 years 7 months 21 days
Number of exercisable options (shares) 0