BUSINESS SEGMENT, CUSTOMER AND GEOGRAPHIC INFORMATION (Detail Textual) - Segment	12 Months Ended
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%

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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