CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-in Capital	(Accumulated Deficit) Retained Earnings	Treasury Stock	Total
Balance at Sep. 30, 2018	$ 18,937	$ 51,783,779	$ 3,720,291	$ (21,368,537)	$ 34,154,470
Increase (Decrease) in Stockholders' Equity
Issuance of stock to directors	69	203,317			203,386
Net income			1,850,296		1,850,296
Balance at Sep. 30, 2019	19,006	51,987,096	5,570,587	(21,368,537)	36,208,152
Increase (Decrease) in Stockholders' Equity
Share-based compensation		17,337			17,337
Exercise of stock options	232	174,911			175,143
Issuance of stock to directors	73	159,919			159,992
Tax withholding related to cashless exercise of stock options		(880,476)			(880,476)
Dividends declared			(11,180,900)		(11,180,900)
Net income			3,269,783		3,269,783
Balance at Sep. 30, 2020	19,311	51,458,787	(2,340,530)	(21,368,537)	27,769,031
Increase (Decrease) in Stockholders' Equity
Share-based compensation		181,350			181,350
Exercise of stock options	5	17,005			17,010
Issuance of stock to directors	27	159,953			159,980
Dividends declared			(8,607,192)		(8,607,192)
Net income			5,064,902		5,064,902
Balance at Sep. 30, 2021	$ 19,343	$ 51,817,095	$ (5,882,820)	$ (21,368,537)	$ 24,585,081