STOCK-BASED COMPENSATION - General Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2021
shares
Jul. 01, 2021
shares
Apr. 01, 2021
shares
Oct. 01, 2020
shares
Jul. 01, 2020
shares
Apr. 01, 2020
shares
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
D
shares
Sep. 30, 2020
USD ($)
shares
STOCK-BASED COMPENSATION                    
Stock Issuance to Directors             $ 79 $ 68 $ 218 $ 171
Non employee | Restricted Shares                    
STOCK-BASED COMPENSATION                    
Period for average closing price | D                 20  
Stock Issuance to Directors                 $ 200 $ 200
Shares issued (in shares) | shares 3,594 3,525 3,453 3,474 3,414 4,098     10,572 10,986