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ACQUISITIONS, Fiscal 2020 Acquisition (Details)
$ in Thousands
3 Months Ended
Jul. 23, 2020
USD ($)
Location
Dec. 31, 2020
USD ($)
Location
Dec. 31, 2019
USD ($)
Jul. 23, 2023
USD ($)
Jul. 23, 2022
USD ($)
Jul. 23, 2021
USD ($)
Sep. 30, 2020
USD ($)
Business Combination, Consideration Transferred [Abstract]              
Number of locations acquired through business acquisition | Location 2 2          
Amount paid to acquire business gross   $ 2,806 $ 0        
Goodwill   $ 16,153         $ 14,146
2020 Acquisitions [Member]              
Business Combination, Consideration Transferred [Abstract]              
Number of locations acquired through business acquisition | Location 2            
Consideration transferred $ 132            
Consideration transferred, cash received 853            
Amount paid to acquire business gross 300            
Goodwill 506            
Identifiable intangibles 690            
2020 Acquisitions [Member] | Plan [Member]              
Business Combination, Consideration Transferred [Abstract]              
Due to the stockholder       $ 193 $ 193 $ 194  
2020 Acquisitions [Member] | PPP Loan [Member]              
Business Combination, Consideration Transferred [Abstract]              
Liability assumed $ 135