FINANCE RECEIVABLES - Age Analysis of Past Due Finance Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Financing Receivable, Past Due [Line Items]
Finance receivable	$ 18,102	$ 17,861
Nonperforming
Financing Receivable, Past Due [Line Items]
Finance receivable	601	12
Performing
Financing Receivable, Past Due [Line Items]
Finance receivable	17,501	17,849
QuickStart Leases
Financing Receivable, Past Due [Line Items]
Total Past Due	17,466	17,609
QuickStart Leases | 30 and Under Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	50	56
QuickStart Leases | 31 – 60 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	110	7
QuickStart Leases | 61 – 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total Past Due	117	56
QuickStart Leases | Greater than 90 Days Past Due | Nonperforming
Financing Receivable, Past Due [Line Items]
Total Past Due	$ 359	$ 133