Stock Plans and Stock Compensation Expense Share-based Awards (Details) $ / shares in Units, $ in Thousands | 12 Months Ended | | | | | | |
Dec. 29, 2018USD ($)yr$ / sharesRateshares | Dec. 30, 2017USD ($)days$ / sharesRateshares | Dec. 31, 2016USD ($)$ / sharesRateshares | Jul. 30, 2018USD ($)$ / sharesshares | Mar. 12, 2018USD ($)$ / sharesshares | Sep. 18, 2017USD ($)$ / sharesshares | Sep. 01, 2017USD ($)$ / sharesshares | Mar. 10, 2017USD ($)$ / sharesshares | Mar. 11, 2016USD ($)$ / sharesshares |
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 | | | | | | | | | | |
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 | $ 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 | | $ 4.30 | $ 0 | | | | | | | |
Share-based Compensation Arrangement by Share-based Award, Equity Instrument, Options, Grant Date Fair Value | $ | | | 306 | | | | | | | | |
SharebasedCompensationArrangementbySharebasedPaymentAwardVestingMinimumSharePrice | $ / shares | | | $ 7 | | | | | | | | |
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 | $ 5 | | | | | | | |
Granted | shares | 0 | | 203,000 | 0 | | | | | | | |
Options Granted, Weighted Average Exercise Price | $ / shares | $ 0 | | $ 4.30 | $ 0 | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 0 | | $ 1.51 | $ 0 | | | | | | | |
Exercised | shares | 0 | | 0 | 0 | | | | | | | |
Options Exercised, Weighted Average Exercise Price | $ / shares | $ 0 | | $ 0 | $ 0 | | | | | | | |
Forfeited | shares | (8,000) | | 0 | 0 | | | | | | | |
Options Forfeitured and Expired, Weighted Average Exercise Price | $ / shares | $ 4.17 | | $ 0 | $ 0 | | | | | | | |
Options Outstanding | shares | 298,500 | | 306,500 | 103,500 | | | | | | | |
Options Outstanding, Weighted Average Exercise Price | $ / shares | $ 4.55 | | $ 4.54 | $ 5 | | | | | | | |
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 | | $ 5 | $ 5 | | | | | | | |
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 | | | | | | | | | | |
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[1] | (1) No options were granted during the years ended December 29, 2018 and December 31, 2016. |