OTHER INVESTMENTS, NET (Details) - USD ($)	Dec. 31, 2017	Jun. 30, 2017
Other Investment [Line Items]
Other investments, net	$ 963,000	$ 1,211,000
Private equity hedge fund, at cost [Member]
Other Investment [Line Items]
Other investments, net	582,000	782,000
Other preferred stock, at cost [Member]
Other Investment [Line Items]
Other investments, net	$ 381,000	$ 429,000