OTHER INVESTMENTS, NET (Details) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Other Investments [Line Items]
Other investments, net	$ 238,000	$ 267,000
Private equity hedge fund, at cost [Member]
Other Investments [Line Items]
Other investments, net	173,000	202,000
Other preferred stock [Member]
Other Investments [Line Items]
Other investments, net	$ 65,000	$ 65,000