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ORGANIZATION AND BACKGROUND (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2021
USD ($)
state_region
numberOfCustomer
Jun. 30, 2020
USD ($)
numberOfCustomer
Jun. 30, 2019
numberOfCustomer
Concentration Risk [Line Items]      
Number of state regions where route-based pick-up services are offered | state_region 37    
Accounts receivable | $ $ 9,738 $ 11,789  
Customer concentration risk | Revenue      
Concentration Risk [Line Items]      
Number of customers | numberOfCustomer 2 2 2
Credit concentration risk | Accounts receivable      
Concentration Risk [Line Items]      
Number of customers | numberOfCustomer 2 2  
Two customers | Customer concentration risk | Revenue      
Concentration Risk [Line Items]      
Concentration risk, percentage 45.00% 35.00% 27.00%
Two customers | Credit concentration risk | Accounts receivable      
Concentration Risk [Line Items]      
Concentration risk, percentage 36.00% 44.00%  
Accounts receivable | $ $ 3,500 $ 5,200