Segment information - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Retail [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 593,337	$ 637,796	$ 1,219,974	$ 1,253,481
Bulk [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	840,200	704,841	1,568,329	1,407,100
Services [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	174,084	168,078	345,433	327,077
Manufacturing Units [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 68,160	$ 70,307	$ 136,123	$ 141,515