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BUSINESS SEGMENT, CUSTOMER AND GEOGRAPHIC INFORMATION (Detail Textual) - Segment | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Business Segment Customer And Geographic Information [Line Items] |  |  |
Number of reportable segments | 2 |  |
U.S. Government | Sales |  |  |
Business Segment Customer And Geographic Information [Line Items] |  |  |
Percentage of revenue | 95.30% | 94.80% | 95.10%

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