FINANCE RECEIVABLES - Age Analysis of Past Due Finance Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Financing Receivable, Past Due [Line Items]
Current	$ 19,338	$ 17,506
Total finance receivables	20,533	18,462
30 and Under Days Past Due
Financing Receivable, Past Due [Line Items]
Total past due	182	200
31 – 60 Days Past Due
Financing Receivable, Past Due [Line Items]
Total past due	79	43
61 – 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total past due	200	145
Greater than 90 Days Past Due
Financing Receivable, Past Due [Line Items]
Total past due	$ 734	$ 568