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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parentheticals) - Common Stock [Member] - $ / shares
Sep. 30, 2025
Sep. 30, 2024
Dec. 09, 2015
Common Shares Class A Non-Voting [Member]      
Common stock, par value (in Dollars per share) $ 1 $ 1  
Common stock, shares authorized (in Shares) 15,000,000 15,000,000  
Common stock shares issued (in Shares) 9,460,651 9,445,316  
Shares authorized for issuance of grants under equity compensation plan (in Shares)     331,500
Common Shares Class B Voting [Member]      
Common stock, par value (in Dollars per share) $ 1 $ 1  
Common stock, shares authorized (in Shares) 1,040,000 1,040,000  
Common stock shares issued (in Shares) 881,452 881,452