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10. Shareholders' Equity (Tables)
12 Months Ended
Dec. 31, 2016
Stockholders' Equity Note [Abstract]  
Summary of the assumptions used to estimate the fair value of stock options granted using the Black-Scholes Model
   For the fiscal years ended 
   December 31,
2016
   January 2,
2016
 
Expected dividend yield        
Expected stock price volatility   85.44%    84.80% 
Risk-free interest rate   2.16%    2.16% 
Expected life of options (years)   10.00    10.00 
Schedule of all outstanding options, activity
   Options
Outstanding
   Weighted
Average
Exercise
Price
   Aggregate
Intrinsic
Value
   Weighted Average Remaining Contractual Life 
Balance at January 3, 2015   905   $3.25           
Granted   130    1.33           
Exercised   (12)   1.89           
Cancelled/expired   (173)   4.63           
Forfeited   (70)   2.67           
Balance at January 2, 2016   780    2.70   $    5.23 
Granted   30    1.05           
Cancelled/expired   (51)   0.88           
Forfeited   (49)   2.85           
Balance at December 31, 2016   710   $2.62   $    4.66 
                     
Options exercisable at December 31, 2016   651   $2.67   $      
Schedule of estimated future share-based compensation expense
Fiscal year 2017  $32 
Fiscal year 2018    
   $32