Stock Compensation Plans (Tables)

12 Months Ended

Sep. 30, 2023

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Stock Option Activity

Stock option activity for the years ended September 30, 2023, 2022 and 2021 is summarized as follows:

	Number of Shares	Weighted Average Exercise Price
Outstanding September 30, 2020	395,349	$	18.45
Options granted	81,000	28.06
Options exercised	(64,264)	9.81
Options forfeited	(5,270)	26.91
Outstanding September 30, 2021	406,815	21.62
Options granted	74,000	27.40
Options exercised	(36,720)	11.31
Options forfeited	(22,170)	26.01
Outstanding September 30, 2022	421,925	23.30
Options granted	1,000	33.40
Options exercised	(42,635)	16.38
Options forfeited	(11,140)	27.26
Outstanding September 30, 2023	369,150	$	24.00

Schedule of Fair Value Assumptions

The weighted average assumptions for options granted during the years ended September 30, 2023, 2022 and 2021 were as follows:

	2023			2022			2021
Expected volatility	33		%	33		%	35		%
Expected life (in years)	5			5			5
Expected dividend yield	2.99		%	3.61		%	3.39		%
Risk free interest rate	3.58		%	4.17		%	1.02		%
Grant date fair value per share	$	8.65		$	6.87		$	6.20

Schedule of Stock Option Plans, by Exercise Price Range

Additional information regarding options outstanding at September 30, 2023 is as follows:

			Options Outstanding				Options Exercisable
Range of Exercise Prices ($)			Number	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)	Number	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (Years)
9.00			3,000	9.00		0.1	3,000	9.00		0.1
10.26	-	10.71	43,250	10.55		1.4	43,250	10.55		1.4
15.67	-	19.13	70,770	16.54		5.8	47,110	16.34		5.2
26.50	-	27.40	106,660	27.32		8.0	42,600	27.23		7.1
28.23	-	29.69	110,750	28.78		6.5	69,350	29.11		5.6
31.80	-	33.40	34,720	31.85		5.1	33,720	31.80		5.0
			369,150	$	24.00	6.0	239,030	$	23.03	4.9