Acquisition - Summary of unaudited pro forma consolidated information (Details) - Honeywell International, Inc - USD ($)	12 Months Ended
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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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