Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Stock options exercised (in shares)		12,500
Dividends declared per share (in dollars per share)	$ 0.8	$ 0.79
Common stock issued (in shares)	234,645	182,219