Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Net loss, as reported	$ (143,000)	$ (901,000)	$ (381,000)	$ (767,000)	$ (495,000)	$ (403,000)	$ (375,000)	$ (816,000)	$ (2,192,170)	$ (2,088,666)	$ (2,304,831)
Weighted average common shares outstanding									4,013,537	4,013,537	4,013,537
Effect of dilutive stock options									0	0	0
Weighted average diluted common shares outstanding									4,013,537	4,013,537	4,013,537
Net loss per common share
Basic (in dollars per share)	$ (0.04)	$ (0.22)	$ (0.09)	$ (0.19)	$ (0.13)	$ (0.10)	$ (0.09)	$ (0.20)	$ (0.55)	$ (0.52)	$ (0.57)
Diluted (in dollars per share)	$ (0.04)	$ (0.22)	$ (0.09)	$ (0.19)	$ (0.13)	$ (0.10)	$ (0.09)	$ (0.20)	$ (0.55)	$ (0.52)	$ (0.57)
Employee stock options excluded from computation of diluted income per share amounts because their effect would be anti-dilutive									0	0	0