XML 16 R5.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Consolidated Statements of Operations (unaudited) (Parentheticals) - $ / shares
3 Months Ended 6 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Income Statement [Abstract]        
Weighted average diluted earnings per common share $ 2.62 $ 3.20 $ 4.81 $ 5.08
Weighted average common shares outstanding - diluted 2,048,622 2,095,193 2,060,723 2,098,041