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Consolidated Statements of Operations (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Income Statement [Abstract]        
Net income per share-basic and diluted $ 0.31 $ 0.24 $ 0.81 $ 0.64
Weighted average basic and diluted shares outstanding 6,799,800 7,096,664 6,797,691 7,096,664