Annual report pursuant to Section 13 and 15(d)

Note 6 - Stock based compensation (Detail)

v2.4.0.6
Note 6 - Stock based compensation (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Jan. 02, 2011
Jul. 31, 2000
Granted Before The Fourth Quarter of 2007 [Member]
2000 Equity Incentive Plan [Member]
Jul. 31, 2000
Granted After Fourth Quarter of 2007 [Member]
2000 Equity Incentive Plan [Member]
Dec. 30, 2012
Deferred Share Units [Member]
Jan. 01, 2012
Deferred Share Units [Member]
Jan. 02, 2011
Deferred Share Units [Member]
Jul. 31, 2000
2000 Equity Incentive Plan [Member]
Jun. 30, 2012
2010 Incentive Plan [Member]
Jun. 30, 2011
2010 Incentive Plan [Member]
Jul. 31, 2010
2010 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                 1,727,052     350,000
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum                 1.00%     1.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       4 years 3 years             3 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term 4 years 4 years 73 days   10 years 5 years             5 years
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized                   652,000 670,000  
Allocated Share-based Compensation Expense (in Dollars) $ 379 $ 271 $ 249         $ 712        
Share Based Compensation Arrangement By Share Based Payment Award Options Vested During Period 253,332 227,632 353,334                  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) 1,108                      
Payments to Employees (in Dollars)             128 192        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           0 46,688 86,553        
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number               46,688        
Share-Based Compensation Expense Recovery (in Dollars)             $ 21