Segment information - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retail [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 593,306	$ 567,086	$ 1,813,280	$ 1,820,567
Bulk [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	748,594	707,788	2,316,923	2,114,888
Services [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	182,825	175,732	528,258	502,809
Manufacturing Units [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 68,197	$ 71,734	$ 204,320	$ 213,249