v3.8.0.1
STOCK-BASED COMPENSATION (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 01, 2017
Oct. 02, 2016
Oct. 01, 2017
Oct. 02, 2016
Jan. 01, 2017
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]          
Number of Shares Available for Grant 176,000   176,000    
Allocated Share-based Compensation Expense $ 52 $ 172 $ 183 $ 254  
Options Outstanding Rollforward [Abstract]          
Outstanding options at beginning of period (in shares)     686,000    
Options granted     55,000    
Options forfeited or expired (in shares)     (217,000)    
Outstanding options at end of period (in shares) 524,000   524,000   686,000
Weighted Average Exercise Price          
Outstanding Weighted Average Price at beginning of period     $ 9.15    
Granted Weighted Average Exercise Price     4.29    
Forfeited or Expired Weighted Average Exercise Price     13.26    
Outstanding Weighted Average Price at end of period $ 6.94   $ 6.94   $ 9.15
Weighted Average Remaining Contractual Life and Exercisable          
Options Outstanding Weighted Average Remaining Contractual Term     6 years   5 years 8 months 12 days
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value     $ 2.42   $ 1.97
Fair Value Assumptions Expected Term     6 years 1 month 6 days   5 years 2 months 12 days
Expected stock volatility     54.41%   39.98%
Risk-free interest rate     2.00%   1.20%
Employee [Member]          
Weighted Average Remaining Contractual Life and Exercisable          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years    
Non-Employee [Member]          
Weighted Average Remaining Contractual Life and Exercisable          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     2 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     5 years    
Maximum [Member] | Employee [Member]          
Weighted Average Remaining Contractual Life and Exercisable          
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years    
Minimum [Member] | Employee [Member]          
Weighted Average Remaining Contractual Life and Exercisable          
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     5 years    
Stock Option [Member]          
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense $ 57 157 $ 173 209  
Restricted Stock [Member]          
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]          
Allocated Share-based Compensation Expense $ (5) $ 15 $ 10 $ 45