Condensed Consolidated Unaudited Statements of Shareholders' Equity - USD ($)	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Total
Balance at Sep. 30, 2021	$ 8,834	$ (30,867,287)	$ 24,918,781	$ 83,552,298	$ 77,612,626
Balance (in shares) at Sep. 30, 2021	883,589	(332,220)
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(3,114,775)	(3,114,775)
Compensation expense and settlement of equity-based awards	$ 314		2,080,954		2,081,268
Compensation expense and settlement of equity-based awards (in shares)	31,420
Net income available to common shareholders				3,001,055	3,001,055
Balance at Dec. 31, 2021	$ 9,148	$ (30,867,287)	26,999,735	83,438,578	79,580,174
Balance (in shares) at Dec. 31, 2021	915,009	(332,220)
Balance at Sep. 30, 2022	$ 9,168	$ (30,867,287)	26,903,201	96,784,353	$ 92,829,435
Balance (in shares) at Sep. 30, 2022	917,009	(332,220)			584,789
Increase (Decrease) in Stockholders' Equity
Dividends on common stock				(3,200,650)	$ (3,200,650)
Compensation expense and settlement of equity-based awards	$ 263		2,453,953		2,454,216
Compensation expense and settlement of equity-based awards (in shares)	26,263
Net income available to common shareholders				2,629,001	2,629,001
Balance at Dec. 31, 2022	$ 9,431	$ (30,867,287)	$ 29,357,154	$ 96,212,704	$ 94,712,002
Balance (in shares) at Dec. 31, 2022	943,272	(332,220)			611,052