Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Total
Balance at Sep. 30, 2014	$ 1,261,188	$ 474,866	$ 1,741,358	$ (253,341)	$ (465,047)	$ 2,759,024
Share-based compensation expense			543			543
Net Income (Loss)					(122,377)	(122,377)
Balance at Sep. 30, 2015	1,261,188	474,866	1,741,901	(253,341)	(587,424)	2,637,190
Net Income (Loss)					4,632,848	4,632,848
Purchase of business partially financed by issuance of Class A and Class B Shares	847,463	235,406				1,082,869
Balance at Sep. 30, 2016	2,108,651	710,272	1,741,901	(253,341)	4,045,424	8,352,907
Share-based compensation expense	129,832					129,832
Net Income (Loss)					1,408,396	1,408,396
Professional services expense	7,884					7,884
Repurchase of Class B Shares				(11,500)		(11,500)
Balance at Sep. 30, 2017	2,246,367	710,272	1,741,901	(264,841)	5,453,820	9,887,519
Net Income (Loss)					510,262	510,262
Balance at Dec. 31, 2017	$ 2,246,367	$ 710,272	$ 1,741,901	$ (264,841)	$ 5,964,082	$ 10,397,781