v3.8.0.1
STOCK-BASED COMPENSATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Jan. 01, 2017
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 313 $ 339
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized $ 542  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 6 months 29 days  
Employee [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years  
Non-Employee [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
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 10 years  
Maximum [Member] | Employee [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Minimum [Member] | Employee [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years  
Stock Option [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 218 311
Restricted Stock [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense 10 $ 28
Performance Shares [Member]    
Share-based Compensation Arrangement By Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 85