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STOCK-BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 28, 2019
Jun. 26, 2020
Jun. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for issuance (in shares)   74,718  
Number of options granted (in shares)   37,500 20,000
Compensation expense   $ 526 $ 415
Director [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   3 years  
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   4 years  
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   5 years  
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period   4 years  
2010 Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Maximum number of common shares that may be issued (in shares)   840,360  
Common shares, issuance term   10 years  
Allocated share-based compensation expense $ 100   $ 400
Shares available for issuance (in shares)   613,869  
2010 Plan [Member] | Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award expiration period   7 years