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Note 12 - Stock Incentive Plans (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 12 Months Ended
Jan. 03, 2009
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) 3,230,000      
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 100.00%      
Grant Date Fair Value of Options   $ 0.7   $ 1.2
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   0.4 0 0.1
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)   471,327 608,864  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   3.3    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition   1 year 36 days    
Employee Stock Option [Member]
       
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate   0.00%   0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   65.00%   65.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate   1.30%    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term   6 years 3 months   6 years 3 months
Employee Stock Option [Member] | Minimum [Member]
       
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       1.20%
Employee Stock Option [Member] | Maximum [Member]
       
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       2.50%
Stock Appreciation Rights (SARs) [Member]
       
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Reduction in Number of Shares for Stock Award (in Shares) 1      
Restricted Stock [Member]
       
Note 12 - Stock Incentive Plans (Details) [Line Items]        
Reduction in Number of Shares for Stock Award (in Shares) 1.27      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value   $ 2.2 $ 4.6 $ 2.5