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Acquisition - Summary of unaudited pro forma consolidated information (Details) - Honeywell International, Inc - USD ($) | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
October 1, 2021 |  |
Acquisition |  |
Net sales | $ 43,757,196 | $ 49,218,764
Net income | 8,542,330 | 9,716,082
October 1, 2022 |  |
Acquisition |  |
Net sales | 55,545,035 | 52,287,873
Net income | $ 5,416,305 | $ 7,734,498

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