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BUSINESS SEGMENT, CUSTOMER AND GEOGRAPHIC INFORMATION (Detail Textual) - Segment | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Revenue, Major Customer [Line Items] |  |  |
Number of reportable segments | 2 |  |
U.S. Government | Sales |  |  |
Revenue, Major Customer [Line Items] |  |  |
Percentage of revenue | 93.50% | 93.90% | 93.50%

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