Other Investments, Net - Schedule of Other Investments, Net (Details) - USD ($)	Mar. 31, 2020	Jun. 30, 2019
Other investments, net	$ 230,000	$ 351,000
Private Equity Hedge Fund, at Cost [Member]
Other investments, net	169,000	233,000
Other Investments [Member]
Other investments, net	$ 61,000	$ 118,000