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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
Dec. 31, 2024
Sep. 30, 2024
Accounts Receivable, allowance for uncollectible $ 322,646 $ 153,347
Common stock, par value (in dollars per share) $ 5 $ 5
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 10,264,691 10,249,899
Common stock, shares outstanding (in shares) 10,264,691 10,249,899
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0