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%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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