v3.21.1
STOCK-BASED COMPENSATION - Stock Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jan. 03, 2021
Dec. 29, 2019
Dec. 30, 2018
Number of Options      
Options outstanding at beginning of period 453 384  
Granted 277 212  
Exercised (1) (5)  
Cancelled, forfeited or expired (154) (138)  
Options outstanding at end of period 575 453 384
Options Exercisable 285    
Weighted Average Exercise Price      
Options outstanding at beginning of period $ 6.71 $ 7.43  
Granted 3.85 4.37  
Exercised 4.18 3.90  
Cancelled, forfeited or expired 9.91 5.22  
Options outstanding at end of period 4.49 $ 6.71 $ 7.43
Exercisable weighted average exercise price $ 4.69    
Weighted Average Remaining Contractual Life      
Options outstanding 6 years 10 months 24 days 5 years 8 months 12 days 6 years 8 months 12 days
Options exercisable 6 years 4 months 24 days    
Aggregate Intrinsic Value      
Options outstanding at beginning of period $ 28 $ 29  
Exercised 1 6  
Cancelled, forfeited or expired 10 68  
Options outstanding at end of period 401 $ 28 $ 29
Exercisable intrinsic value $ 148