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ORGANIZATION AND BACKGROUND (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2019
USD ($)
customer
state_region
Jun. 30, 2018
USD ($)
customer
Jun. 30, 2017
customer
Concentration Risk [Line Items]      
Number of state regions where route-based pick-up services are offered | state_region 24,000    
Concentration risk, percentage 100.00% 100.00% 100.00%
Accounts receivable | $ $ 9,289 $ 6,370  
Customer concentration risk | Revenue      
Concentration Risk [Line Items]      
Number of customers | customer 2 1 1
Concentration risk, percentage 27.00%    
Credit concentration risk | Accounts receivable      
Concentration Risk [Line Items]      
Number of customers | customer 1    
One customer | Customer concentration risk | Revenue      
Concentration Risk [Line Items]      
Concentration risk, percentage   17.00% 17.00%
One customer | Credit concentration risk | Accounts receivable      
Concentration Risk [Line Items]      
Concentration risk, percentage 19.00% 13.00%  
Accounts receivable | $ $ 1,700 $ 800