SEGMENT INFORMATION, REVENUES BY GEOGRAPHY AND SIGNIFICANT CUSTOMERS - Percentage of Revenues, Accounts Receivable (Details) |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Revenue | |||
| Revenue, Major Customer [Line Items] | |||
| Concentration percentage | 100.00% | 100.00% | 100.00% |
| Revenue | Customer A | |||
| Revenue, Major Customer [Line Items] | |||
| Concentration percentage | 10.00% | 11.00% | |
| Revenue | Customer B | |||
| Revenue, Major Customer [Line Items] | |||
| Concentration percentage | 12.00% | 11.00% | |
| Accounts receivable | Customer A | |||
| Revenue, Major Customer [Line Items] | |||
| Concentration percentage | 13.00% | ||
| Accounts receivable | Customer B | |||
| Revenue, Major Customer [Line Items] | |||
| Concentration percentage | 17.00% | 20.00% | |