Segment information - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Retail [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 567,086	$ 625,640	$ 1,820,567	$ 1,892,848
Bulk [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	707,788	761,429	2,114,888	2,621,481
Services [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	175,732	203,411	502,809	607,906
Manufacturing Units [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 71,734	$ 70,679	$ 213,249	$ 216,346