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Note 11 - Share Based Compensation (Detail) - Valuation of stock options (USD $)
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Weighted average risk-free interest rate 0.71%   
Expected term of option (years) 5 years   
Expected stock price volatility 61.00%   
Expected dividend yield 0.00%   
Annual forfeiture rate 4.68%   
Weighted-average grant date fair value (in Dollars per share) $ 2.85