Earnings Per Share (Details) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net income	$ 1,133,058	$ 240,145
Denominator:
Basic weighted average shares	17,246,372	17,214,384
Dilutive effect of share-based awards		1,903
Diluted weighted average shares	17,246,372	17,216,287
Earnings per common share:
Basic EPS (in dollars per share)	$ 0.07	$ 0.01
Diluted EPS (in dollars per share)	$ 0.07	$ 0.01
Options to purchase common stock outstanding (in shares)	100,000	104,500
Diluted weighted-average shares outstanding excluded from computation of diluted EPS (in shares)	100,000	100,000