BUSINESS SEGMENTS (Detail Textual) - Segment	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Business Segments
Number of reportable segments	2
U.S. Government \| Sales
Business Segments
Percentage of revenue	95.60%	95.30%	94.80%

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://www.xbrl.org/2003/role/disclosureRef
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