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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Concentration of Credit Risk (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2019
USD ($)
Franchise
Notes
Jun. 24, 2018
USD ($)
Franchise
Mar. 29, 2020
USD ($)
Concentration of Credit Risk [Abstract]      
Notes receivable, allowance for bad debts $ 916 $ 0  
Concentration of Credit Risk [Member]      
Concentration of Credit Risk [Abstract]      
Number of franchisees had credit risk on notes receivable | Franchise 5 5  
Number of short term notes receivables | Notes 1    
Period to start balloon payment 24 months    
Concentration of Credit Risk [Member] | Minimum [Member]      
Concentration of Credit Risk [Abstract]      
Stated interest rate of financed assets sale 4.00%    
Concentration of Credit Risk [Member] | Maximum [Member]      
Concentration of Credit Risk [Abstract]      
Stated interest rate of financed assets sale 5.00%    
Concentration of Credit Risk [Member] | Notes Receivable One [Member]      
Concentration of Credit Risk [Abstract]      
Number of additional notes receivable | Notes 2    
Number of franchises | Franchise 1    
Note receivables from franchisees $ 900    
Notes receivable, allowance for bad debts $ 916    
Concentration of Credit Risk [Member] | Notes Receivable Two [Member]      
Concentration of Credit Risk [Abstract]      
Number of additional notes receivable | Notes 5    
Number of franchises | Franchise 4    
Note receivables from franchisees $ 900    
Concentration of Credit Risk [Member] | Plan [Member]      
Concentration of Credit Risk [Abstract]      
Balloon payment due     $ 200