OTHER INVESTMENTS, NET (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Other Investment [Line Items]
Other investments, net	$ 733,000	$ 813,000
Private equity hedge fund, at cost [Member]
Other Investment [Line Items]
Other investments, net	474,000	554,000
Other preferred stock, at cost [Member]
Other Investment [Line Items]
Other investments, net	$ 259,000	$ 259,000