Other Investments, Net - Schedule Of Other Investments, Net (Details) - USD ($)	Sep. 30, 2019	Jun. 30, 2019
Other investments, net	$ 328,000	$ 351,000
Private Equity Hedge Fund, at Cost [Member]
Other investments, net	233,000	233,000
Other Investments [Member]
Other investments, net	$ 95,000	$ 118,000