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Stock Plans and Stock Compensation Expense Share-based Awards (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 29, 2018
USD ($)
yr
$ / shares
Rate
shares
Dec. 30, 2017
USD ($)
days
$ / shares
Rate
shares
Dec. 31, 2016
USD ($)
$ / shares
Rate
shares
Jul. 30, 2018
USD ($)
$ / shares
shares
Mar. 12, 2018
USD ($)
$ / shares
shares
Sep. 18, 2017
USD ($)
$ / shares
shares
Sep. 01, 2017
USD ($)
$ / shares
shares
Mar. 10, 2017
USD ($)
$ / shares
shares
Mar. 11, 2016
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]                  
Outstanding | shares 570,000                
Share-based Arrangements with Nonemployee Directors [Abstract]                  
Minimum Market Value Per Share, Calculation of Shares | $ / shares $ 5.00                
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]                  
Exercised | shares (39,711) 0 0            
Restricted Stock [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Nonvested Awards, General Disclosures [Abstract]                  
Award Vesting Period 3 years 3 years              
Restricted Stock Granted in Period | shares       10,000 297,292 10,000 10,000 40,000 149,215
Grant Date Fair Value of Restricted Stock | $       $ 20 $ 832 $ 41 $ 42 $ 140 $ 651
Weighted Average Grant Date Fair Value of Restricted Stock | $ / shares       $ 2.00 $ 2.80 $ 4.05 $ 4.15 $ 3.50 $ 4.360
Share Based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 6 years 1 month                
Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 7 years 8 months   8 years 8 months            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]                  
Outstanding | shares 433,841 457,378 416,795            
Weighted Average Grant Date Fair Value of Outstanding Shares | $ / shares $ 6.66 $ 7.41 $ 8.90            
Granted | shares 307,292 60,000 149,215            
Weighted Average Grant Date Fair Value Granted During the Year | $ / shares $ 2.77 $ 3.70 $ 4.36            
Vested | shares (64,939) (78,908) (107,318)            
Weighted Average Grant Date Fair Value of Awards Vested | $ / shares $ 6.58 $ 8.79 $ 8.88            
Forfeited | shares (106,196) (4,629) (1,314)            
Weighted Average Grant Date Fair Value of Forfeitures | $ / shares $ 9.51 $ 5.96 $ 15.68            
Outstanding | shares 569,998 433,841 457,378            
Weighted Average Grant Date Fair Value of Outstanding Shares | $ / shares $ 4.04 $ 6.66 $ 7.41            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]                  
Nonvested Awards, Compensation Not yet Recognized | $ $ 1,458                
Nonvested Awards, Vested in Period, Fair Value | $ $ 173 $ 276 $ 456            
Primary Long-Term Incentive Award [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Nonvested Awards, General Disclosures [Abstract]                  
Award Vesting Period 3 years                
Stock Performance Units [Member]                  
Share-based Arrangements with Nonemployee Directors [Abstract]                  
Nonemployee Directors Fees, Paid in Cash | $ $ 18 18 18            
Nonemployee Directors Fees, Value Received in Stock Performance Units | $ $ 18 $ 18 $ 18            
Stock Performance Units, Outstanding | shares 123,321                
Nonemployee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options | $ $ 24                
Nonemployee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 4 months                
Employee Stock Option [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Nonvested Awards, General Disclosures [Abstract]                  
Award Vesting Period   2 years              
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | shares   203,000              
Options Granted, Weighted Average Exercise Price | $ / shares $ 0.00 $ 4.30 $ 0.00            
Share-based Compensation Arrangement by Share-based Award, Equity Instrument, Options, Grant Date Fair Value | $   306              
SharebasedCompensationArrangementbySharebasedPaymentAwardVestingMinimumSharePrice | $ / shares   $ 7.00              
Share-based Compensation Arrangement by Share-based Payment Award, Vesting, Common Stock Minimum Share Price, Trading Period | days   5              
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period   2 years              
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   5 years              
Share-based Compensation Arrangement by Share-based Payment Award, Method of Measuring Cost of Award   lattice model              
Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 5 months                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]                  
Nonvested Awards, Compensation Not yet Recognized | $ $ 72                
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]                  
Expected Volatility | Rate 0.00% [1] 47.80% 0.00% [1]            
Risk-free interest rate | Rate 0.00% [1] 1.79% 0.00% [1]            
Dividend yield | Rate 0.00% [1] 0.00% 0.00% [1]            
Expected life of options (yrs) 0 years [1] 5 years 0 years [1]            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]                  
Options Outstanding | shares 306,500 103,500 103,500            
Options Outstanding, Weighted Average Exercise Price | $ / shares $ 4.54 $ 5.00 $ 5.00            
Granted | shares 0 203,000 0            
Options Granted, Weighted Average Exercise Price | $ / shares $ 0.00 $ 4.30 $ 0.00            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares $ 0.00 $ 1.51 $ 0.00            
Exercised | shares 0 0 0            
Options Exercised, Weighted Average Exercise Price | $ / shares $ 0.00 $ 0.00 $ 0.00            
Forfeited | shares (8,000) 0 0            
Options Forfeitured and Expired, Weighted Average Exercise Price | $ / shares $ 4.17 $ 0.00 $ 0.00            
Options Outstanding | shares 298,500 306,500 103,500            
Options Outstanding, Weighted Average Exercise Price | $ / shares $ 4.55 $ 4.54 $ 5.00            
Options Outstanding, Weighted Average Remaining Contractual Term 2 years 6 months                
Options Exercisable | shares 103,500 103,500 103,500            
Options Exercisable, Weighted Average Exercise Price | $ / shares $ 5.00 $ 5.00 $ 5.00            
Options Exercisable, Weighted Average Remaining Contractual Term 10 months                
Options Outstanding, Intrinsic Value | $ $ 0                
Options Exercisable, Intrinsic Value | $ 0                
Options Exercised in Period, Intrinsic Value | $ $ 0 $ 0 $ 0            
Age 60 or Older [Member] | Career Shares Award [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Nonvested Awards, General Disclosures [Abstract]                  
Award Vesting Period 2 years                
Age Eligible for Retirement | yr 60                
Under Age 60 [Member] | Career Shares Award [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award, Nonvested Awards, General Disclosures [Abstract]                  
Award Vesting Period 5 years                
Age Eligible for Retirement | yr 60                
[1] (1) No options were granted during the years ended December 29, 2018 and December 31, 2016.