Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member] Convertible Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings, Appropriated [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Preferred Stock [Member] Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings, Appropriated [Member]	Total
Balance (in shares) at Jun. 30, 2019						167,100	8,087,388
Balance at Jun. 30, 2019				$ (6,939)	$ (6,939)	$ 126,860	$ 4,444,766	$ 15,885	$ (2,528,514)	$ 2,058,997
Net Income									83,840	83,840
Balance (in shares) at Sep. 30, 2019						167,100	8,087,388
Balance at Sep. 30, 2019						$ 126,860	$ 4,444,766	15,885	(2,451,613)	2,135,898
Balance (in shares) at Jun. 30, 2019						167,100	8,087,388
Balance at Jun. 30, 2019				$ (6,939)	$ (6,939)	$ 126,860	$ 4,444,766	15,885	(2,528,514)	2,058,997
Net Income										111,658
Balance (in shares) at Jun. 30, 2020						167,100	8,087,388
Balance at Jun. 30, 2020						$ 126,860	$ 4,444,766	15,885	(2,423,795)	2,163,716
Balance (in shares) at Sep. 30, 2019						167,100	8,087,388
Balance at Sep. 30, 2019						$ 126,860	$ 4,444,766	15,885	(2,451,613)	2,135,898
Net Income									(204)	(204)
Balance (in shares) at Dec. 31, 2019						167,100	8,087,388
Balance at Dec. 31, 2019						$ 126,860	$ 4,444,766	15,885	(2,451,817)	2,135,694
Net Income									55,929	55,929
Balance (in shares) at Mar. 31, 2020						167,100	8,087,388
Balance at Mar. 31, 2020						$ 126,860	$ 4,444,766	15,885	(2,395,888)	2,191,623
Net Income									(27,907)	(27,907)
Balance (in shares) at Jun. 30, 2020						167,100	8,087,388
Balance at Jun. 30, 2020						$ 126,860	$ 4,444,766	15,885	(2,423,795)	2,163,716
Net Income									219,096	219,096
Balance (in shares) at Sep. 30, 2020						167,100	8,087,388
Balance at Sep. 30, 2020						$ 126,860	$ 4,444,766	15,885	(2,204,699)	2,382,812
Balance (in shares) at Jun. 30, 2020						167,100	8,087,388
Balance at Jun. 30, 2020						$ 126,860	$ 4,444,766	15,885	(2,423,795)	2,163,716
Net Income										767,583
Balance (in shares) at Jun. 30, 2021						167,100	8,087,388
Balance at Jun. 30, 2021						$ 126,860	$ 4,444,766	35,564	(1,656,212)	2,950,978
Balance (in shares) at Sep. 30, 2020						167,100	8,087,388
Balance at Sep. 30, 2020						$ 126,860	$ 4,444,766	15,885	(2,204,699)	2,382,812
Net Income									74,313	74,313
Balance (in shares) at Dec. 31, 2020						167,100	8,087,388
Balance at Dec. 31, 2020						$ 126,860	$ 4,444,766	15,885	(2,130,386)	2,457,125
Net Income									21,714	21,714
Stock Options Issued (in shares)
Stock Options Issued
Balance (in shares) at Mar. 31, 2021						167,100	8,087,388
Balance at Mar. 31, 2021						$ 126,860	$ 4,444,766	15,885	(2,108,672)	2,478,839
Net Income									452,460	452,460
Stock Options Issued (in shares)
Stock Options Issued								19,679		19,679
Balance (in shares) at Jun. 30, 2021						167,100	8,087,388
Balance at Jun. 30, 2021						$ 126,860	$ 4,444,766	$ 35,564	$ (1,656,212)	$ 2,950,978