FINANCE RECEIVABLES - Age Analysis of Past Due Finance Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Financing Receivable, Past Due [Line Items]
Current	$ 17,506	$ 17,609
Total finance receivables	17,856	17,849
Financing Receivable, before Allowance for Credit Loss	18,462	17,861
30 days and under past due
Financing Receivable, Past Due [Line Items]
Past due	200	56
31 - 60 days past due
Financing Receivable, Past Due [Line Items]
Past due	43	7
61 - 90 days past due
Financing Receivable, Past Due [Line Items]
Past due	145	56
Greater than 90 days past due
Financing Receivable, Past Due [Line Items]
Past due	$ 568	$ 133