Segment information - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Retail [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 2,391,603	$ 2,517,407
Bulk [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	2,836,794	3,331,554
Services [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	674,508	782,882
Manufacturing Units [Member]
Segment Reporting Information [Line Items]
Depreciation, Depletion and Amortization	$ 284,403	$ 289,390

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Name:	us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration