Investment in Marketable Securities - Schedule of Changes in Unrealized Gains and Losses on Investments (Details) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019
Gross Unrealized Gain			$ 5,560,000
Gross Unrealized Loss	$ (287,000)	$ (318,000)
Net Unrealized Loss	(62,000)	$ (52,000)
Corporate Equities [Member]
Cost	5,346,000		10,922,000
Gross Unrealized Gain	381,000		449,000
Gross Unrealized Loss	(3,375,000)		(8,692,000)
Net Unrealized Loss	(2,994,000)		(8,243,000)
Fair Value	$ 2,352,000		$ 2,679,000