Consolidated Statements Of Shareholders' Equity and Comprehensive Loss - USD ($)	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition		$ 0
Balance at Jun. 30, 2016	$ 1,910,475	$ 0	$ 7,551	$ 69,701,907	$ (67,798,983)
Balance, shares at Jun. 30, 2016		0	7,551,430
Net income (loss)	(726,895)	$ 0	$ 0	0	(726,895)
Balance at Jun. 30, 2017	$ 1,183,580	645,000	$ 7,551	69,701,907	(68,525,878)
Balance, shares at Jun. 30, 2017			7,551,430
Preferred Stock, Shares Issued	0
Preferred Stock, Value, Issued	$ 0
Net income (loss)	583,675	0	$ 0	0	583,675
Balance at Jun. 30, 2018	$ 2,412,255	$ 645,000	$ 7,415	69,702,043	$ (67,942,203)
Balance, shares at Jun. 30, 2018		2,000,000	7,415,329
Treasury Stock, Shares, Retired	(136,101)
Treasury Stock, Retired, Par Value Method, Amount	$ 0		$ (136)	$ 136
Preferred Stock, Shares Issued	2,000,000
Preferred Stock, Value, Issued	$ 645,000