SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Available-For-Sale Marketable Securities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Total	$ 3,560	$ 3,467
Available-for-sale Securities, Gross Unrealized Gain, Total	453	142
Available-for-sale Securities, Gross Unrealized Loss, Total	0	0
Available-for-sale Securities, Total	4,013	3,609
Bond Mutual Fund [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Total	1,112	1,085
Available-for-sale Securities, Gross Unrealized Gain, Total	64	92
Available-for-sale Securities, Gross Unrealized Loss, Total	0	0
Available-for-sale Securities, Total	1,176	1,177
Stock Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis, Total	2,448	2,382
Available-for-sale Securities, Gross Unrealized Gain, Total	389	50
Available-for-sale Securities, Gross Unrealized Loss, Total	0	0
Available-for-sale Securities, Total	$ 2,837	$ 2,432