OTHER INVESTMENTS, NET (Details) - USD ($)	Mar. 31, 2019	Jun. 30, 2018
Other Investment [Line Items]
Other investments, net	$ 612,000	$ 813,000
Private equity hedge fund, at cost [Member]
Other Investment [Line Items]
Other investments, net	376,000	554,000
Other preferred stock, at cost [Member]
Other Investment [Line Items]
Other investments, net	$ 236,000	$ 259,000